Jeju-Si, South Korea: What to pack, what to wear, and when to go [2023]

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Traveling to Jeju-Si, South Korea? If you're planning to go to Jeju-Si, we've got some important information about when to go, what to wear, and what to pack.

Contents

When to go to Jeju-Si, South Korea

Based on the climate and weather in Jeju-Si, South Korea, the best time to go is June. See below for details.

What to wear/what to pack for Jeju-Si, South Korea

Already know when you're traveling?

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

What to wear/what to pack for Jeju-Si, South Korea by month

January

In January, Jeju-Si can be very chilly, somewhat snowy and very rainy. Temperatures routinely are in the 40s F (single digits C) range. At night, lows are in the 30s F (single digits C). This is also a rainy time for Jeju-Si, with more than half of the days of the month having rain. In January, 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.

  • 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 Jeju-Si. 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

  • Voltage step down adapter

    A plug adapter that supports outlet types F. Make sure to pick the right type. The majority of adapters available online are just plugs and expect your devices to adjust the voltage themselves. If yours can't do that they could get destroyed. This one works in most locations.

  • Ultraportable travel stroller

    This stroller weighs almost 10 pounds and folds to the size of a big book.

If you go to Bijarim Forest, you will do a lot of walking. These are a must:

Going to Gimnyeong Snake Cave? You'll need:

Jeju-Si has nice beaches. If you plan go to the beach, take:

February

If you visit Jeju-Si during February, you may notice that it is pretty cool, somewhat snowy and very rainy. Temperatures tend to hover around the 40s F (single digits C) during the day, while at night they can dip into the 30s F (single digits 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 and snow 5-10 days this month.

What to wear/what to pack:

Clothes + Footwear
Health
Safety + Security

  • Anti-theft backpack

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

  • 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 Jeju-Si. 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 F. Make sure to pick the right kind. Many adapters available online are just plugs and require your devices to convert the voltage themselves. If yours can't do that they could burn up. This one is sufficent for most countries.

  • Travel neck pillow

    Our favorite is this one

  • Super portable foldable travel stroller

    This stroller weighs almost 10 pounds and folds to the size of a big book.

  • Airplane phone mount

    Make your flight more comfortable with an airplane phone mount

  • Power bank for devices

    A portable power bank, like this one

If you go to Bijarim Forest, you will do a lot of walking. These are a must:

Going to Gimnyeong Snake Cave? You'll need:

Jeju-Si has nice beaches. If you plan go to the beach, take:

March

Traveling to Jeju-Si in March, you will notice that it is pretty cool and extremely rainy. Expect it to rain most days. Daytime temperatures are in the low 50s F (low 10s C).

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.

  • 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 Jeju-Si. 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 neck support pillow

    A versatile choice is this one

  • 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 adapter

    A plug adapter that supports outlet types F. Take care to get the correct type. The majority of adapters on sale are just plug changers and expect your electronics to adjust the voltage themselves. If your devices can't do that they could burn up. This one should be sufficient for most places.

  • Easy folding travel stroller

    This stroller is only 10 pounds and folds to the size of a big book.

If you go to Bijarim Forest, you will do a lot of walking. These are a must:

Going to Gimnyeong Snake Cave? You'll need:

Jeju-Si has nice beaches. If you plan go to the beach, take:

April

April in this region is relatively cool and very rainy. Temperatures average in the low 60s F (mid 10s C) during the day. It rains most days.

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.

  • Anti-theft backpack

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

  • Voice and data SIM card

    A SIM card that works in Jeju-Si. 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

  • Super portable foldable travel stroller

    This stroller weighs almost 10 pounds and folds to the size of a big book.

  • Travel neck support pillow

    A great choice is this one

  • Voltage step down adapter

    A plug adapter that supports outlet types F. Make sure to get the right kind. Many adapters available are simply plugs and require your electronics to convert the voltage themselves. If your devices can't do that they could get destroyed. This one works in most locations.

If you go to Bijarim Forest, you will do a lot of walking. These are a must:

Going to Gimnyeong Snake Cave? You'll need:

Jeju-Si has nice beaches. If you plan go to the beach, take:

May

May is mild and very rainy. Temperatures average in the high 60s F (low 20s C) during the day. It rains about two thirds 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 Jeju-Si. 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

  • Ultralightweight travel stroller

    This stroller is only 10 pounds and folds to the size of a big book.

  • Airplane phone mount

    Make your flight more comfortable with an airplane phone mount

  • Voltage step down adapter

    A plug adapter that supports outlet types F. It's important that you choose the correct kind. A lot of adapters available are just plugs and require your electronics to change the voltage themselves. If yours can't do that they could burn up. This one is sufficent for most countries.

  • Travel neck pillow

    What we like is this one

  • Power bank for devices

    A portable power bank, like this one

If you go to Bijarim Forest, you will do a lot of walking. These are a must:

Going to Gimnyeong Snake Cave? You'll need:

Jeju-Si has nice beaches. If you plan go to the beach, take:

June

In June, Jeju-Si is warm and very rainy. Temperatures routinely are in the 70s F (mid 20s C) range. At night, lows are in the 60s F (high 10s C). This is also a rainy time for Jeju-Si, with more than half of the days of the month having rain. In June, humidity reaches as high as 80%.

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 things.

  • Voice and data SIM card

    A SIM card that works in Jeju-Si. 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.

Comfort + Essentials

  • Travel neck pillow

    A good option is this one

  • Airplane phone mount

    Make your flight more comfortable with an airplane phone mount

  • Travel adapter

    A plug adapter that supports outlet types F. Be sure to get the necessary type. The vast majority of adapters available are just plugs and require your devices to convert the voltage themselves. If yours 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

  • Ultralightweight travel stroller

    This stroller weighs almost 10 lbs and folds to the size of a big book.

If you go to Bijarim Forest, you will do a lot of walking. These are a must:

Going to Gimnyeong Snake Cave? You'll need:

Jeju-Si has nice beaches. If you plan go to the beach, take:

July

July in this region is hot and extremely rainy. Temperatures average in the low 80s F (high 20s C) during the day. It rains most days.

What to wear/what to pack:

Clothes + Footwear
Health
Safety + Security

  • Voice and data SIM card

    A SIM card that works in Jeju-Si. 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 belongings.

Comfort + Essentials

  • Travel neck support pillow

    A versatile choice is this one

  • Voltage adapter

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

  • Airplane phone mount

    Make your flight more comfortable with an airplane phone mount

  • Folding travel stroller

    This stroller is only 10 lbs and folds to the size of a big book.

  • Power bank for devices

    A portable power bank, like this one

If you go to Bijarim Forest, you will do a lot of walking. These are a must:

Going to Gimnyeong Snake Cave? You'll need:

Jeju-Si has nice beaches. If you plan go to the beach, take:

August

In August, Jeju-Si is hot and extremely rainy. Temperatures routinely are in the low 80s F (high 20s C) and sometimes jump into the low 90s F (low 30s C) range. At night, lows are in the low 70s F (low 20s C). This is also a rainy time for Jeju-Si, with most of the days of the month having rain. In August, humidity reaches as high as 80%.

What to wear/what to pack:

Clothes + Footwear
Health
Safety + Security

  • Voice and data SIM card

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

Comfort + Essentials

  • Easy folding travel stroller

    This stroller is only 10 lbs and folds to the size of a big book.

  • Travel neck support pillow

    A versatile choice is this one

  • Travel adapter

    A plug adapter that supports outlet types F. Take care to get the necessary kind. The vast majority of adapters currently available are just plugs and require your devices to adjust the voltage themselves. If your devices can't do that they could burn up. This one should be appropriate for most places.

  • Airplane phone mount

    Make your flight more comfortable with an airplane phone mount

  • Power bank for devices

    A portable power bank, like this one

If you go to Bijarim Forest, you will do a lot of walking. These are a must:

Going to Gimnyeong Snake Cave? You'll need:

Jeju-Si has nice beaches. If you plan go to the beach, take:

September

September is a perfect temperature and extremely rainy. Temperatures average in the high 70s F (mid 20s C) during the day. It rains almost every day of the month.

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.

  • 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 Jeju-Si. 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

  • Super portable foldable travel stroller

    This stroller weighs just 10 lbs and folds to the size of a big book.

  • Travel neck pillow

    An excellent option is this one

  • 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 F. Be careful to find the necessary kind. The vast majority of adapters currently sold are simply plugs and require your electronics to convert the voltage themselves. If your electronics can't do that they could get fried. This one should be appropriate for most locations.

If you go to Bijarim Forest, you will do a lot of walking. These are a must:

Going to Gimnyeong Snake Cave? You'll need:

Jeju-Si has nice beaches. If you plan go to the beach, take:

October

October here is mild and extremely rainy. Temperatures average in the high 60s F (low 20s C) during the day. It rains most days.

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.

  • Anti-theft backpack

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

  • Voice and data SIM card

    A SIM card that works in Jeju-Si. 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

  • Ultralightweight travel stroller

    This stroller weighs almost 10 lbs and folds to the size of a big book.

  • Airplane phone mount

    Make your flight more comfortable with an airplane phone mount

  • Voltage adapter

    A plug adapter that supports outlet types F. Ensure that you find the necessary type. The majority of adapters that you can buy are simply plug changers and expect your devices to convert the voltage themselves. If yours can't do that they could burn up. This one works in most locations.

  • Travel neck support pillow

    A good option is this one

If you go to Bijarim Forest, you will do a lot of walking. These are a must:

Going to Gimnyeong Snake Cave? You'll need:

Jeju-Si has nice beaches. If you plan go to the beach, take:

November

November in Jeju-Si is cool and extremely rainy. The average overnight temperatures in the area are in the high 40s F (single digits C). It tends to rain most days. But the colder weather doesn't bring low humidity, which is in the 60% to 70% range on average.

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 Jeju-Si. 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

  • Super portable foldable travel stroller

    This stroller weighs only 10 pounds and folds to the size of a big book.

  • Airplane phone mount

    Make your flight more comfortable with an airplane phone mount

  • Travel voltage adapter

    A plug adapter that supports outlet types F. It's important that you pick the necessary kind. Most adapters currently available are simply plug changers and require your devices to adjust the voltage themselves. If your electronics can't do that they could get fried. This one is sufficent for most places.

  • Power bank for devices

    A portable power bank, like this one

  • Travel neck support pillow

    A good option is this one

If you go to Bijarim Forest, you will do a lot of walking. These are a must:

Going to Gimnyeong Snake Cave? You'll need:

Jeju-Si has nice beaches. If you plan go to the beach, take:

December

If you go to Jeju-Si in December, you will notice that it is brisk and very rainy. Expect it to rain most days and snow regularly. Daytime temperatures are in the low 50s F (single digits C).

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.

  • Anti-theft backpack

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

  • Voice and data SIM card

    A SIM card that works in Jeju-Si. 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

  • Super portable foldable travel stroller

    This stroller weighs only 10 lbs and folds to the size of a big book.

  • Travel neck pillow

    A top rated pillow is this one

  • Travel adapter

    A plug adapter that supports outlet types F. Be sure to find the right type. Most adapters for sale now are simply plug changers and expect your electronics to adjust the voltage themselves. If your devices can't do that they could get fried. This one is sufficent for most locations.

  • Power bank for devices

    A portable power bank, like this one

If you go to Bijarim Forest, you will do a lot of walking. These are a must:

Going to Gimnyeong Snake Cave? You'll need:

Jeju-Si has nice beaches. If you plan go to the beach, take:

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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