Izu Ōshima, Japan: What to pack, what to wear, and when to go [2024]

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Ready to pack for Izu Ōshima, Japan? If you're planning to go to Izu Ōshima, here is some important information about when to go, what to wear, and what to pack.

Contents

When to go to Izu Ōshima, Japan

Based on the climate and weather in Izu Ōshima, Japan, the best time to go is July. See below for details.

What to wear/what to pack for Izu Ōshima, Japan

Already know when you're traveling?

Here are some general tips on what to wear in Izu Ōshima, as well as several items to remember to pack when traveling there.

What to wear/what to pack for Izu Ōshima, Japan by month

January

If you visit Izu Ōshima during January, you will probably see that it is pretty cool. Temperatures tend to hover around the high 40s F (single digits C) during the day, while at night they can dip into the high 30s F (single digits C). In terms of precipitation, you can expect it to rain once in a while.

What to wear/what to pack:

Clothes + Footwear
Health
Safety + Security

    Given current world events, Japan has travel concerns that you should consider before going. Click for more information.

  • AirTag to track your luggage

    With airlines constantly losing things nowadays, an AirTag can find it anywhere in the world: AirTag for iPhones.

  • Voice and data SIM card

    A SIM card that works in Izu Ōshima. A good global SIM card works in most countries, but check the country list before buying. In some more rural areas you may need a satellite phone. We recommend this satellite phone.

  • Money/passport pouch

    A money pouch is vital for protecting your passport and credit cards.

  • Anti-theft backpack

    For a little protection, an anti-theft backpack protects your things.

Comfort + Essentials

  • Plug adapter

    A plug adapter that supports outlet types A and B. Ensure that you get the right type. Most adapters on sale are just plugs and require your electronics to convert the voltage themselves. If your electronics can't do that they could get fried. This one should work in most places.

  • Luggage scale to avoid fees

    Airlines charge large penalties for overweight luggage. Avoid penalties with this

  • Airplane phone mount

    Make your flight more comfortable with an airplane phone mount

  • Power bank for devices

    A portable power bank, like this one

  • Travel pillow

    A top rated pillow is this one

February

February in Izu Ōshima can be very chilly. The rain can amount to several inches/centimeters. During this time, temperatures average in the high 40s F (single digits C).

What to wear/what to pack:

Clothes + Footwear
Health
Safety + Security

    Given current world events, Japan has travel concerns that you should consider before going. Click for more information.

  • Anti-theft backpack

    For a little protection, an anti-theft backpack protects your belongings.

  • AirTag to track your luggage

    With airlines always losing things nowadays, an AirTag can locate it anywhere in the world: AirTag for iPhones.

  • Money/passport pouch

    A money pouch is vital for protecting your passport and credit cards.

  • Voice and data SIM card

    A SIM card that works in Izu Ōshima. A good global SIM card works in most countries, but check the country list before buying. In some more rural areas you may need a satellite phone. We recommend this satellite phone.

Comfort + Essentials

  • Airplane phone mount

    Make your flight more comfortable with an airplane phone mount

  • Power bank for devices

    A portable power bank, like this one

  • Luggage scale to avoid fees

    Airlines charge huge prices for overweight luggage. Save money with this

  • Voltage adapter

    A plug adapter that supports outlet types A and B. Make sure to get the necessary type. A lot of adapters currently being sold are simply plug changers and expect your devices to change the voltage themselves. If your devices can't do that they could get fried. This one should work in most locations.

  • Travel neck support pillow

    Our fave is this one

March

If you go to Izu Ōshima in March, you will notice that it is brisk. Expect it to rain a bit less than half of the time. Daytime temperatures are in the 50s F (low 10s C).

What to wear/what to pack:

Clothes + Footwear
Health
Safety + Security

    Given current world events, Japan has travel concerns that you should consider before going. Click for more information.

  • AirTag to track your luggage

    With airports repeatedly losing bags recently, an AirTag can locate it anywhere on earth: AirTag for iPhones.

  • Voice and data SIM card

    A SIM card that works in Izu Ōshima. A good global SIM card works in most countries, but check the country list before buying. In some more rural areas you may need a satellite phone. We recommend this satellite phone.

  • Money/passport pouch

    A money pouch is vital for protecting your passport and credit cards.

  • Anti-theft backpack

    For a bit of protection, an anti-theft backpack protects your stuff.

Comfort + Essentials

  • Voltage step down adapter

    A plug adapter that supports outlet types A and B. Check that you pick the right kind. The vast majority of adapters that you can buy are simply plugs and expect your devices to convert the voltage themselves. If your electronics can't do that they could burn up. This one should work in most locations.

  • Luggage scale to avoid fees

    Airlines charge excessive amounts for overweight luggage. Avoid penalties with this

  • Airplane phone mount

    Make your flight more comfortable with an airplane phone mount

  • Travel pillow

    A great choice is this one

  • Power bank for devices

    A portable power bank, like this one

April

April for Izu Ōshima is cool. Temperatures average in the low 60s F (mid 10s C) during the day. It rains about a third of the time.

What to wear/what to pack:

Clothes + Footwear
Health
Safety + Security

    Given current world events, Japan has travel concerns that you should consider before going. Click for more information.

  • AirTag to track your luggage

    With airports frequently losing bags these days, an AirTag can help you find it anywhere in the world: AirTag for iPhones.

  • Money/passport pouch

    A money pouch is vital for protecting your passport and credit cards.

  • Anti-theft backpack

    For a little protection, an anti-theft backpack protects your belongings.

  • Voice and data SIM card

    A SIM card that works in Izu Ōshima. A good global SIM card works in most countries, but check the country list before buying. In some more rural areas you may need a satellite phone. We recommend this satellite phone.

Comfort + Essentials

  • Plug adapter

    A plug adapter that supports outlet types A and B. Be careful to find the right kind. A lot of adapters for sale now are just plugs and expect your electronics to change the voltage themselves. If your devices can't do that they could get destroyed. This one should be sufficient for most places.

  • Luggage scale to avoid fees

    Airlines charge excessive prices for overweight luggage. Save money with this

  • Power bank for devices

    A portable power bank, like this one

  • Airplane phone mount

    Make your flight more comfortable with an airplane phone mount

  • Travel neck pillow

    Our fave is this one

May

In May, Izu Ōshima is balmy and somewhat rainy. Temperatures routinely are in the high 60s F (low 20s C) range. At night, lows are in the high 50s F (mid 10s C). This is also a rainy time for Izu Ōshima, with several of the days of the month having rain.

What to wear/what to pack:

Clothes + Footwear
Health
Safety + Security

    Given current world events, Japan has travel concerns that you should consider before going. Click for more information.

  • AirTag to track your luggage

    With airlines constantly losing bags nowadays, an AirTag can help you locate it anywhere in the world: AirTag for iPhones.

  • Money/passport pouch

    A money pouch is vital for protecting your passport and credit cards.

  • Anti-theft backpack

    For a little protection, an anti-theft backpack protects your belongings.

  • Voice and data SIM card

    A SIM card that works in Izu Ōshima. A good global SIM card works in most countries, but check the country list before buying. In some more rural areas you may need a satellite phone. We recommend this satellite phone.

Comfort + Essentials

  • Travel voltage adapter

    A plug adapter that supports outlet types A and B. Be careful to find the correct type. A lot of adapters on sale are just plugs and require your electronics to convert the voltage themselves. If your electronics can't do that they could get destroyed. This one should work in most areas.

  • Power bank for devices

    A portable power bank, like this one

  • Travel neck support pillow

    Our favorite is this one

  • Airplane phone mount

    Make your flight more comfortable with an airplane phone mount

  • Luggage scale to avoid fees

    Airlines charge excessive prices for overweight luggage. Avoid surcharges with this

June

In June, Izu Ōshima is balmy and somewhat rainy. Temperatures routinely are in the low 70s F (low 20s C) range. At night, lows are in the low 60s F (high 10s C). This is also a rainy time for Izu Ōshima, with several of the days of the month having rain.

What to wear/what to pack:

Clothes + Footwear
Health
Safety + Security

    Given current world events, Japan has travel concerns that you should consider before going. Click for more information.

  • AirTag to track your luggage

    With airlines always losing bags nowadays, an AirTag can help you find it anywhere anywhere: AirTag for iPhones.

  • Voice and data SIM card

    A SIM card that works in Izu Ōshima. A good global SIM card works in most countries, but check the country list before buying. In some more rural areas you may need a satellite phone. We recommend this satellite phone.

  • Money/passport pouch

    A money pouch is vital for protecting your passport and credit cards.

  • Anti-theft backpack

    For a little protection, an anti-theft backpack protects your things.

Comfort + Essentials

  • Power bank for devices

    A portable power bank, like this one

  • Travel neck pillow

    A great choice is this one

  • Airplane phone mount

    Make your flight more comfortable with an airplane phone mount

  • Luggage scale to avoid fees

    Airlines charge large prices for overweight luggage. Avoid surcharges with this

  • Voltage step down adapter

    A plug adapter that supports outlet types A and B. Check that you find the correct type. Most adapters on sale are just plugs and require your electronics to convert the voltage themselves. If yours can't do that they could burn up. This one should work in most locations.

July

July is a perfect temperature. Temperatures average in the high 70s F (mid 20s C) during the day. It rains about a third of the time.

What to wear/what to pack:

Clothes + Footwear
Health
Safety + Security

    Given current world events, Japan has travel concerns that you should consider before going. Click for more information.

  • Anti-theft backpack

    For a bit of protection, an anti-theft backpack protects your things.

  • Money/passport pouch

    A money pouch is vital for protecting your passport and credit cards.

  • AirTag to track your luggage

    With airlines repeatedly losing luggage these days, an AirTag can help you locate it anywhere anywhere: AirTag for iPhones.

  • Voice and data SIM card

    A SIM card that works in Izu Ōshima. A good global SIM card works in most countries, but check the country list before buying. In some more rural areas you may need a satellite phone. We recommend this satellite phone.

Comfort + Essentials

  • Luggage scale to avoid fees

    Airlines charge huge amounts for overweight luggage. Save money with this

  • Power bank for devices

    A portable power bank, like this one

  • Airplane phone mount

    Make your flight more comfortable with an airplane phone mount

  • Plug adapter

    A plug adapter that supports outlet types A and B. Ensure that you choose the correct kind. The majority of adapters for sale now are simply plug changers and expect your electronics to change the voltage themselves. If your devices can't do that they could get fried. This one is sufficent for most places.

  • Travel neck support pillow

    An excellent option is this one

August

August in Izu Ōshima is pretty consistently hot. The rain can amount to several inches/centimeters. During this time, temperatures average in the low 80s F (high 20s C).

What to wear/what to pack:

Clothes + Footwear
Health
Safety + Security

    Given current world events, Japan has travel concerns that you should consider before going. Click for more information.

  • Anti-theft backpack

    For a bit of peace of mind, an anti-theft backpack protects your stuff.

  • Voice and data SIM card

    A SIM card that works in Izu Ōshima. A good global SIM card works in most countries, but check the country list before buying. In some more rural areas you may need a satellite phone. We recommend this satellite phone.

  • AirTag to track your luggage

    With airlines repeatedly losing luggage nowadays, an AirTag can help you find it anywhere on earth: AirTag for iPhones.

  • Money/passport pouch

    A money pouch is vital for protecting your passport and credit cards.

Comfort + Essentials

  • Power bank for devices

    A portable power bank, like this one

  • Plug adapter

    A plug adapter that supports outlet types A and B. Take care to choose the right kind. The vast majority of adapters currently available are simply plugs and expect your devices to change the voltage themselves. If yours can't do that they could get fried. This one is sufficent for most places.

  • Travel neck support pillow

    A great choice is this one

  • Airplane phone mount

    Make your flight more comfortable with an airplane phone mount

  • Luggage scale to avoid fees

    Airlines charge large prices for overweight luggage. Avoid surcharges with this

September

Traveling to Izu Ōshima in September, you will notice that it is warm and somewhat rainy. Expect it to rain regularly. Daytime temperatures are in the 70s F (mid 20s C).

What to wear/what to pack:

Clothes + Footwear
Health
Safety + Security

    Given current world events, Japan has travel concerns that you should consider before going. Click for more information.

  • Money/passport pouch

    A money pouch is vital for protecting your passport and credit cards.

  • Voice and data SIM card

    A SIM card that works in Izu Ōshima. A good global SIM card works in most countries, but check the country list before buying. In some more rural areas you may need a satellite phone. We recommend this satellite phone.

  • Anti-theft backpack

    For a bit of peace of mind, an anti-theft backpack protects your belongings.

  • AirTag to track your luggage

    With airlines repeatedly losing luggage recently, an AirTag can find it anywhere on earth: AirTag for iPhones.

Comfort + Essentials

  • Travel neck pillow

    A great choice is this one

  • Travel voltage adapter

    A plug adapter that supports outlet types A and B. Make sure to find the necessary type. Many adapters on sale are just plugs and expect your electronics to adjust the voltage themselves. If your electronics can't do that they could get fried. This one should work in most areas.

  • Airplane phone mount

    Make your flight more comfortable with an airplane phone mount

  • Luggage scale to avoid fees

    Airlines charge large penalties for overweight luggage. Avoid surcharges with this

  • Power bank for devices

    A portable power bank, like this one

October

October in Izu Ōshima is mild and somewhat rainy. The rain can amount to several inches/centimeters. During this time, temperatures average in the high 60s F (low 20s C).

What to wear/what to pack:

Clothes + Footwear
Health
Safety + Security

    Given current world events, Japan has travel concerns that you should consider before going. Click for more information.

  • Anti-theft backpack

    For a little peace of mind, an anti-theft backpack protects your things.

  • Voice and data SIM card

    A SIM card that works in Izu Ōshima. A good global SIM card works in most countries, but check the country list before buying. In some more rural areas you may need a satellite phone. We recommend this satellite phone.

  • Money/passport pouch

    A money pouch is vital for protecting your passport and credit cards.

  • AirTag to track your luggage

    With airlines repeatedly losing things recently, an AirTag can find it anywhere anywhere: AirTag for iPhones.

Comfort + Essentials

  • Airplane phone mount

    Make your flight more comfortable with an airplane phone mount

  • Power bank for devices

    A portable power bank, like this one

  • Luggage scale to avoid fees

    Airlines charge huge prices for overweight luggage. Avoid penalties with this

  • Travel neck support pillow

    A great choice is this one

  • Travel voltage adapter

    A plug adapter that supports outlet types A and B. It's important that you get the necessary kind. The vast majority of adapters on sale are just plug changers and require your electronics to change the voltage themselves. If yours can't do that they could burn up. This one should be sufficient for most locations.

November

November can be chilly. Temperatures average in the low 60s F (mid 10s C) during the day. It rains regularly.

What to wear/what to pack:

Clothes + Footwear
Health
Safety + Security

    Given current world events, Japan has travel concerns that you should consider before going. Click for more information.

  • Money/passport pouch

    A money pouch is vital for protecting your passport and credit cards.

  • Voice and data SIM card

    A SIM card that works in Izu Ōshima. A good global SIM card works in most countries, but check the country list before buying. In some more rural areas you may need a satellite phone. We recommend this satellite phone.

  • AirTag to track your luggage

    With airports repeatedly losing bags recently, an AirTag can locate it anywhere in the world: AirTag for iPhones.

  • Anti-theft backpack

    For a little protection, an anti-theft backpack protects your things.

Comfort + Essentials

  • Airplane phone mount

    Make your flight more comfortable with an airplane phone mount

  • Travel neck support pillow

    Our favorite is this one

  • Luggage scale to avoid fees

    Airlines charge huge prices for overweight luggage. Avoid penalties with this

  • Power bank for devices

    A portable power bank, like this one

  • Travel voltage adapter

    A plug adapter that supports outlet types A and B. Make sure to get the necessary type. Many adapters currently being sold are just plug changers and require your electronics to convert the voltage themselves. If your electronics can't do that they could get destroyed. This one should be sufficient for most locations.

December

If you vacation in Izu Ōshima during December, you will probably see that it is pretty cool. Temperatures tend to hover around the 50s F (low 10s C) during the day, while at night they can dip into the low 40s F (single digits C). In terms of precipitation, you can expect it to rain sometimes.

What to wear/what to pack:

Clothes + Footwear
Health
Safety + Security

    Given current world events, Japan has travel concerns that you should consider before going. Click for more information.

  • Voice and data SIM card

    A SIM card that works in Izu Ōshima. A good global SIM card works in most countries, but check the country list before buying. In some more rural areas you may need a satellite phone. We recommend this satellite phone.

  • AirTag to track your luggage

    With airlines repeatedly losing things recently, an AirTag can help you locate it anywhere anywhere: AirTag for iPhones.

  • Anti-theft backpack

    For a bit of protection, an anti-theft backpack protects your stuff.

  • Money/passport pouch

    A money pouch is vital for protecting your passport and credit cards.

Comfort + Essentials

  • Airplane phone mount

    Make your flight more comfortable with an airplane phone mount

  • Power bank for devices

    A portable power bank, like this one

  • Voltage step down adapter

    A plug adapter that supports outlet types A and B. Make sure to choose the correct type. Many adapters that you can buy are simply plug changers and require your electronics to convert the voltage themselves. If your electronics can't do that they could burn up. This one works in most areas.

  • Luggage scale to avoid fees

    Airlines charge huge amounts for overweight luggage. Avoid surcharges with this

  • Travel neck pillow

    What we like is this one

What to do in Izu Ōshima, Japan

Izu Ōshima is a small island located in the Izu archipelago, south of Tokyo. This island has become increasingly popular among tourists as a quick getaway from the bustling city life. With its stunning natural beauty, hot springs, and historical sites, Izu Ōshima has many attractions that visitors can explore. Here are some of the top tourist attractions in Izu Ōshima:

1. Mount Mihara:

Mount Mihara is an active volcano that last erupted in 1986. It is the most famous attraction on the island, offering stunning panoramic views of the surrounding scenery. Visitors can hike to the summit of the mountain to witness the smoking crater and observe the steam rising from it. The hiking trail is steep, and it takes about two hours to reach the summit. However, the breathtaking view from the top is worth the effort.

2. Motomachi:

Motomachi is a small town located on the eastern side of the island. This town has a rich cultural and historical heritage, which is evident in its preserved architecture and traditional buildings. Visitors can stroll around the town to see the old-fashioned streets, shops, and restaurants. The town is also renowned for its local specialty, Oshima Tofu, which is a delicious soybean curd dish.

3. Shirataki Park:

Shirataki Park is a beautiful forest area that has been assigned as a natural monument of Izu Oshima. It is a popular spot for nature lovers as it offers stunning views of the surrounding mountains, greenery, and freshwater streams. The park has several hiking trails, with varying degrees of difficulty, which cater to both beginners and experienced hikers. It is a great place to visit for a peaceful picnic or a leisurely hike.

4. Genseishinbo Shrine:

Genseishinbo Shrine is a historic shrine located in the center of the island. It is the oldest shrine on Oshima and is dedicated to the island's three main deities. Visitors can learn about the local culture and history while admiring the beautiful shrines, traditional structures, and gardens in the complex. The gardens, in particular, are breathtaking, especially during the cherry blossom season when they are full of pink flowers.

5. Oshima Onsen:

Oshima Onsen is a hot spring resort located on the southern coast of the island. It is famous for its natural hot spring baths, where visitors can soak in hot water while enjoying the beautiful views of the ocean. The onsen has indoor and outdoor baths, saunas, and various other facilities such as massage, beauty treatments, and restaurants.

In conclusion, Izu Ōshima is a must-visit destination for anyone who wants to experience the beauty and tranquility of rural Japan. Its unique mix of natural wonders, cultural heritage, and hot springs makes it an ideal destination for a short getaway or a longer tourist trip. Visitors to Izu Ōshima should not miss the chance to explore Mount Mihara, Motomachi, Shirataki Park, Genseishinbo Shrine, and Oshima Onsen.

About your travel guide

Hi! I'm Dev. I've traveled all over the world and in my travels, I have made many packing lists. In this series, my team and I have compiled the most useful information, as well as things we couldn't live without, to help you plan your trip.

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