Which is the hottest month in Jeju?

The hottest time of year in Jeju is normally August. Expect maximum daytime temperatures to reach 29°C with high heat and humidity.

Which month has the most rain in Jeju?

In terms of rainfall, July is usually the wettest month in Jeju with 358mm on average. There are normally 16 days in July with some rain.

When is it sunniest in Jeju?

The sunniest time of year in Jeju is normally October with bright sunshine on average for 60% of daylight hours; that's 7 hours of sunshine per day.

Best time to visit Jeju

Q: When is the best time to visit Jeju?

The best times to visit Jeju, South Korea are in April, May and August Daily hours of sunshine = 8 hours or more.

The best times to visit Jeju, South Korea are in April, May and August based on our default weather conditions. Update your weather preferences to see which months best match.

Jeju by month

Jan Feb Mar Apr May Jun Jul Aug Sep Oct Nov Dec

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When is the best time to visit Jeju?

The best times to visit Jeju, South Korea are in April, May and August based on the following average weather conditions.

Daily hours of sunshine = 8 hours or more [remove]

Change the criteria to reflect your weather preferences.

2.5
Jan
3
Feb
4
Mar
4.5
Apr
4.5
May
4
Jun
4
Jul
4.5
Aug
4
Sep
4
Oct
3
Nov
2.5
Dec

Change criteria

Hours of Sunshine (daily)

4
Jan
5
Feb
6
Mar
7
Apr
7
May
6
Jun
6
Jul
7
Aug
6
Sep
6
Oct
5
Nov
4
Dec

Best time to visit

Destination

Daytime temperature

Sunshine hours

Sea temperature

Monthly rainfall

Days with some rain

Heat & humidity

The weather guide for South Korea (Jeju) shows long term weather averages processed from data supplied by CRU (University of East Anglia) & today's weather forecast provided by meteoblue. Find out more about our data sources.

Metric (°C / mm) | Imperial (°F / inches)