Jeju, South Korea: What to pack, what to wear, and when to go [2021]

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Traveling to Jeju, South Korea? If you're planning to go to Jeju, this is some important information about when to go, what to wear, and what to pack.

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When to go to Jeju, South Korea

Based on the climate and weather in Jeju, the best time to go is October. See below for details.

Important esssentials for Jeju, South Korea

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

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

January

If you visit Jeju during January, you are likely to notice that it is cold. 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).

In terms of precipitation, you can expect it to rain regularly.

What to wear/what to pack:

February

If you vacation in Jeju during February, you will probably find that it is cold. 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).

In terms of precipitation, you can expect it to rain regularly.

What to wear/what to pack:

March

If you visit Jeju during March, you might see that it is cold. Temperatures tend to hover around the 50s F (low 10s 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 regularly.

What to wear/what to pack:

April

April in Jeju is relatively cool. The average overnight temperatures in the area are in the 40s F (single digits C).

What to wear/what to pack:

May

Traveling to Jeju in May, you will notice that it is balmy. Expect it to rain a bit less than half of the time. Daytime temperatures are in the low 60s F (low 20s C).

What to wear/what to pack:

June

If you vacation in Jeju during June, you may notice that it is warm. 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 (high 10s C).

In terms of precipitation, you can expect it to rain about half of the time.

What to wear/what to pack:

July

July in Jeju 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:

August

August for Jeju is extremely warm. Temperatures average in the 80s F (high 20s C) during the day. It rains 5-10 days this month.

What to wear/what to pack:

September

If you vacation in Jeju during September, you may see that it is warm. Temperatures tend to hover around the high 70s F (mid 20s C) during the day, while at night they can dip into the 60s F (high 10s C).

In terms of precipitation, you can expect it to rain 5-10 days this month.

What to wear/what to pack:

October

October in Jeju is mild. The rain can amount to several inches/centimeters. During this time, temperatures average in the low 60s F (high 10s C) to high 60s F (low 20s C).

What to wear/what to pack:

November

November in Jeju is crisp. The rain can amount to several inches/centimeters. During this time, temperatures average in the high 50s F (mid 10s C).

What to wear/what to pack:

December

In December, Jeju is cold. Temperatures routinely are in the low 50s F (single digits C) range.

At night, lows are in the high 30s F (single digits C). This is also a rainy time for Jeju, with several of the days of the month having rain.

What to wear/what to pack:

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