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Jeju weather
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Usually
in June
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Now
Today
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Recommended for South Korea
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.
Jan Feb Mar Apr May Jun Jul Aug Sep Oct Nov Dec
When is the best time to go to Jeju?
Max Day Temperature (°C)
- Jan
8 - Feb9
- Mar
12 - Apr
17 - May
21 - Jun
24 - Jul
28 - Aug29
- Sep
26 - Oct21
- Nov16
- Dec11
Best time to go for the weather
Metric (°C / mm) | Imperial (°F / inches)
Tropical storm risk: Jeju, South Korea typhoon season
% of month affected by tropical storms
Jan
Feb
Mar
Apr
May
Jun
Jul
Aug
Sep
Oct
Nov
Dec
The Jeju, South Korea tropical storm risk chart above shows the typhoon season. The chart was processed from data supplied by the US Meteorological Agency (NOAA). Find out more about our data sources.
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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 267mm on average. There are normally 13 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 56% of daylight hours; that's 6 hours of sunshine per day.
When is the sea warmest in Jeju?
The sea is usually at its warmest in Jeju in August when the water temperature reaches 27°C.
Compare Jeju weather with the USA
Below the Jeju weather chart shows average maximum daytime temperature for Jeju, South Korea and the USA (Washington).
Maximum daytime temperature (°C)
Jeju, South Korea
USA (Washington)
Jan
Feb
Mar
Apr
May
Jun
Jul
Aug
Sep
Oct
Nov
Dec
Metric (°C / mm) | Imperial (°F / inches)
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