Kawaguchi, Japan: What to pack, what to wear, and when to go [2023]

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Ready to pack for Kawaguchi, Japan? If you're planning to go to Kawaguchi, this article contains some important information about when to go, what to wear, and what to pack.

Contents

When to go to Kawaguchi, Japan

Based on the climate and weather in Kawaguchi, Japan, the best time to go is May. See below for details.

What to wear/what to pack for Kawaguchi, Japan

Already know when you're traveling?

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

What to wear/what to pack for Kawaguchi, Japan by month

January

January in Kawaguchi is brisk and somewhat hazy. The rain/snow can amount to several inches/centimeters. During this time, temperatures average in the high 30s F (single digits C) to 40s F (single digits C).

What to wear/what to pack:

Clothes + Footwear
Health
Safety + Security
  • Anti-theft backpack

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

  • Money/passport pouch

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

  • AirTag to track your luggage

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

  • Voice and data SIM card

    A SIM card that works in Kawaguchi. 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
  • Power bank for devices

    A portable power bank, like this one

  • Travel adapter

    A plug adapter that supports outlet types A and B. Be careful to pick the right type. The vast majority of adapters currently being sold are just plugs and expect your electronics to adjust the voltage themselves. If your devices can't do that they could burn up. This one should be appropriate for most areas.

  • 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 neck support pillow

    Our favorite is this one

February

In February, Kawaguchi is pretty cool and somewhat hazy. Temperatures routinely are in the high 40s F (single digits C) range. At night, lows are in the low 30s F (single digits C). This is also a rainy time for Kawaguchi, with a few of the days of the month having rain. In February, humidity reaches as high as 50%.

What to wear/what to pack:

Clothes + Footwear
Health
Safety + Security
  • Voice and data SIM card

    A SIM card that works in Kawaguchi. 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 constantly losing bags these days, an AirTag can help you find it anywhere anywhere: 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 things.

Comfort + Essentials
  • Power bank for devices

    A portable power bank, like this one

  • Travel adapter

    A plug adapter that supports outlet types A and B. Be sure to pick the correct kind. The majority of adapters for sale now are simply plug changers and expect your electronics to change the voltage themselves. If yours can't do that they could get destroyed. This one works in most locations.

  • Airplane phone mount

    Make your flight more comfortable with an airplane phone mount

  • Travel neck pillow

    Our favorite is this one

  • Luggage scale to avoid fees

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

March

March in Kawaguchi is pretty cool, somewhat rainy and somewhat hazy. The rain can amount to several inches/centimeters. During this time, temperatures average in the 50s F (low 10s C), although night temperatures can dip into the low 30s F (single digits C).

What to wear/what to pack:

Clothes + Footwear
Health
Safety + Security
  • 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 Kawaguchi. 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 airports always losing luggage nowadays, an AirTag can help you locate it anywhere on earth: AirTag for iPhones.

Comfort + Essentials
  • 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. Be careful to choose the correct type. The vast majority of adapters currently sold are just plugs and expect your devices to adjust the voltage themselves. If yours can't do that they could get fried. This one should be sufficient for most places.

  • Travel neck support pillow

    A versatile choice is this one

  • Airplane phone mount

    Make your flight more comfortable with an airplane phone mount

  • Luggage scale to avoid fees

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

April

April in Kawaguchi is crisp, somewhat rainy and somewhat hazy. The rain can amount to several inches/centimeters. During this time, temperatures average in the 50s F (low 10s C) to low 60s F (high 10s C).

What to wear/what to pack:

Clothes + Footwear
Health
Safety + Security
  • AirTag to track your luggage

    With airports always losing things these days, an AirTag can help you locate it anywhere in the world: AirTag for iPhones.

  • Anti-theft backpack

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

  • 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 Kawaguchi. 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

  • Travel pillow

    Our favorite is this one

  • Luggage scale to avoid fees

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

  • Plug adapter

    A plug adapter that supports outlet types A and B. It's important that you find the correct type. The majority of adapters currently sold are just plugs and require your devices to change the voltage themselves. If yours can't do that they could burn up. This one should be appropriate for most countries.

May

May is mild, somewhat rainy and somewhat hazy. Temperatures average in the low 70s F (low 20s C) during the day. It rains regularly.

What to wear/what to pack:

Clothes + Footwear
Health
Safety + Security
  • Voice and data SIM card

    A SIM card that works in Kawaguchi. 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 little peace of mind, 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 constantly losing luggage these days, an AirTag can help you locate it anywhere on earth: AirTag for iPhones.

Comfort + Essentials
  • Travel pillow

    A good option is this one

  • Luggage scale to avoid fees

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

  • Voltage adapter

    A plug adapter that supports outlet types A and B. Be careful to choose the necessary kind. A lot of adapters available are just plug changers and require your devices to convert the voltage themselves. If yours can't do that they could get fried. This one works in most areas.

  • Power bank for devices

    A portable power bank, like this one

  • Airplane phone mount

    Make your flight more comfortable with an airplane phone mount

June

If you visit Kawaguchi during June, you will probably see that it is a perfect temperature and somewhat rainy. Temperatures tend to hover around the 70s F (mid 20s C) during the day, while at night they can dip into the low 60s F (mid 10s C). Humidity is generally around 70 during the day. In terms of precipitation, you can expect it to rain about half of the time.

What to wear/what to pack:

Clothes + Footwear
Health
Safety + Security
  • 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 nowadays, an AirTag can help you locate it anywhere on earth: AirTag for iPhones.

  • Voice and data SIM card

    A SIM card that works in Kawaguchi. 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 protection, an anti-theft backpack protects your stuff.

Comfort + Essentials
  • Power bank for devices

    A portable power bank, like this one

  • Travel pillow

    A good option 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

  • Travel voltage adapter

    A plug adapter that supports outlet types A and B. It's important that you find the necessary kind. The vast majority of adapters currently available are simply plugs and require your electronics to adjust the voltage themselves. If your devices can't do that they could get destroyed. This one should be appropriate for most locations.

July

If you vacation in Kawaguchi during July, you might find that it is pretty consistently hot and somewhat rainy. Temperatures tend to hover around the low 80s F (high 20s C) during the day, while at night they can dip into the high 60s F (low 20s C). Humidity is generally between 70 and 80% during the day. In terms of precipitation, you can expect it to rain about half of the time.

What to wear/what to pack:

Clothes + Footwear
Health
Safety + Security
  • 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 Kawaguchi. 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 little protection, an anti-theft backpack protects your stuff.

  • AirTag to track your luggage

    With airports always losing luggage recently, an AirTag can help you locate it anywhere on earth: AirTag for iPhones.

Comfort + Essentials
  • Luggage scale to avoid fees

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

  • Power bank for devices

    A portable power bank, like this one

  • Plug adapter

    A plug adapter that supports outlet types A and B. Be sure to get the correct kind. The vast majority of adapters currently being sold are just plug changers and expect your electronics to adjust the voltage themselves. If your electronics can't do that they could get destroyed. This one should be appropriate for most areas.

  • Airplane phone mount

    Make your flight more comfortable with an airplane phone mount

  • Travel neck support pillow

    A great choice is this one

August

If you visit Kawaguchi during August, you are likely to find that it can be very hot and somewhat rainy. Temperatures tend to hover around the 80s F (low 30s C) during the day, while at night they can dip into the low 60s F (low 20s C). Humidity is generally between 60 and 70% during the day. In terms of precipitation, you can expect it to rain about a third of the time.

What to wear/what to pack:

Clothes + Footwear
Health
Safety + Security
  • Voice and data SIM card

    A SIM card that works in Kawaguchi. 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 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 bit of peace of mind, an anti-theft backpack protects your things.

Comfort + Essentials
  • Travel adapter

    A plug adapter that supports outlet types A and B. Make sure to find the necessary kind. Many adapters currently available are simply plug changers and require your devices to convert the voltage themselves. If your electronics can't do that they could get destroyed. This one is sufficent for most countries.

  • Travel neck pillow

    A versatile choice is this one

  • Power bank for devices

    A portable power bank, like this one

  • Luggage scale to avoid fees

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

  • Airplane phone mount

    Make your flight more comfortable with an airplane phone mount

September

In September, Kawaguchi is a perfect temperature and somewhat rainy. Temperatures routinely are in the high 70s F (mid 20s C) range. At night, lows are in the 60s F (high 10s C). This is also a rainy time for Kawaguchi, with several of the days of the month having rain. In September, humidity reaches as high as 70%.

What to wear/what to pack:

Clothes + Footwear
Health
Safety + Security
  • Money/passport pouch

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

  • AirTag to track your luggage

    With airports frequently losing bags recently, an AirTag can find it anywhere anywhere: AirTag for iPhones.

  • Anti-theft backpack

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

  • Voice and data SIM card

    A SIM card that works in Kawaguchi. 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

  • Travel neck support pillow

    A good option is this one

  • Voltage adapter

    A plug adapter that supports outlet types A and B. It's important that you pick the correct type. Many adapters available online are just plug changers and expect your electronics to change the voltage themselves. If your devices can't do that they could get fried. This one should work in most places.

  • Luggage scale to avoid fees

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

  • Power bank for devices

    A portable power bank, like this one

October

If you vacation in Kawaguchi during October, you may see that it is mild, somewhat rainy and somewhat hazy. Temperatures tend to hover around the 60s F (high 10s C) during the day, while at night they can dip into the 50s F (low 10s C). Humidity is generally between 60 and 70% during the day. In terms of precipitation, you can expect it to rain about half of the time.

What to wear/what to pack:

Clothes + Footwear
Health
Safety + Security
  • Voice and data SIM card

    A SIM card that works in Kawaguchi. 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 airports constantly losing bags nowadays, an AirTag can help you find it anywhere on earth: AirTag for iPhones.

  • Anti-theft backpack

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

Comfort + Essentials
  • Voltage step down adapter

    A plug adapter that supports outlet types A and B. Be sure to get the correct kind. Most adapters that you can buy are simply plugs and expect your electronics to change the voltage themselves. If yours can't do that they could get fried. This one works in most areas.

  • Power bank for devices

    A portable power bank, like this one

  • Airplane phone mount

    Make your flight more comfortable with an airplane phone mount

  • Luggage scale to avoid fees

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

  • Travel neck pillow

    Our fave is this one

November

If you visit Kawaguchi during November, you will probably notice that it is cool, somewhat rainy and somewhat hazy. Temperatures tend to hover around the high 50s F (mid 10s C) during the day, while at night they can dip into the low 40s F (single digits C). Humidity is generally between 50 and 60% during the day. In terms of precipitation, you can expect it to rain a bit less than half of the time.

What to wear/what to pack:

Clothes + Footwear
Health
Safety + Security
  • Voice and data SIM card

    A SIM card that works in Kawaguchi. 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 little peace of mind, an anti-theft backpack protects your belongings.

  • AirTag to track your luggage

    With airports always losing luggage nowadays, an AirTag can find it anywhere in the world: AirTag for iPhones.

  • Money/passport pouch

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

Comfort + Essentials
  • Plug adapter

    A plug adapter that supports outlet types A and B. Ensure that you pick the right kind. Most adapters available online are just plugs and require your electronics to change the voltage themselves. If yours can't do that they could get destroyed. This one works in most areas.

  • 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 pillow

    A top rated pillow is this one

  • Luggage scale to avoid fees

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

December

If you vacation in Kawaguchi during December, you are likely to find that it can be brisk and very hazy. Temperatures tend to hover around the low 50s F (low 10s C) during the day, while at night they can dip into the 30s F (single digits C). Humidity is generally between 40 and 50% during the day. In terms of precipitation, you can expect it to rain 5-10 days this month.

What to wear/what to pack:

Clothes + Footwear
Health
Safety + Security
  • 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.

  • AirTag to track your luggage

    With airports constantly losing luggage recently, an AirTag can help you locate it anywhere on earth: AirTag for iPhones.

  • Voice and data SIM card

    A SIM card that works in Kawaguchi. 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 adapter

    A plug adapter that supports outlet types A and B. Be sure to choose the right type. A lot of adapters currently being sold are simply plugs and require your electronics to change the voltage themselves. If your electronics can't do that they could get fried. This one should work in most areas.

  • 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 support pillow

    An excellent option is this one

  • Luggage scale to avoid fees

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

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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