Best time to go to Jeju Island (Jejudo) Average weather of Jeju Island (Jejudo), South Korea

When is the best time to go to Jeju Island (Jejudo)?

When is the best time to go to Jeju Island (Jejudo)? Here's some information to help you in your decision:

The best months for good weather in Jeju Island (Jejudo) are April, May, June, October and November
On average, the warmest months are July and August
January is the coldest month of the year
The rainiest months are July, August and September
August is the best month for swimming

Annual weather in Jeju Island (Jejudo)

Infographic of the best times to visit Jeju Island (Jejudo) ©whereandwhen.net

Weather details in Jeju Island (Jejudo) month by month

To get all the information about the climate and weather in Jeju Island (Jejudo) for a specific month, click on the corresponding link below:

January February March April May June July August September October November December

Weather and climate in Jeju Island (Jejudo)

Jeju Island (Jejudo) enjoys a humid subtropical climate (without dry season and with hot summer) in accordance with the Köppen-Geiger classification. The yearly average maximum temperature in Jeju Island (Jejudo) is 65°F (ranging from 47°F in january to 85°F in august). Annual rainfall is 81.3in, with a minimum of 3.7in in december and a maximum of 11.9in in july.

In the month of january the climate is very unfavorable. It is for example 47°F as maximum temperature in january and it rains in january about 3.9in.
From february to march the climate is bad. The record temperature this month is 68°F and, in march, 5 days of rain are expected.
In the month of april the climate is not good, but still OK. The record temperature this month is 70°F and it rains about 18% of the time in april.
Between may and june the climate is beautiful. By early evening, the temperature averages 72°F.
From july to august the climate is not good, but still OK. In average, on the morning it is 77°F.
From september to october the climate is good. In average, on the morning it is 65°F and, in october, 4 days of rain are expected.
In november the climate is just OK. The record temperature this month is 74°F and it rains in november about 4.1in.
In december the climate is not good. The temperature rises to 50°F and it rains in december about 3.7in.

Charts: temperature and rainfall in Jeju Island (Jejudo)

In the charts below, you can see the following seasonal norms for the city of Jeju Island (Jejudo): the minimum and maximum outdoor temperature, the risk and amount of monthly rainfall, daily average sunshine, sea temperature, and relative humidity for each month of the year.

Outside temperature

Precipitation (rainfall)

Daily sunshine hours

Sea temperature

Humidity

Peak visitor numbers and tourist seasons in Jeju Island (Jejudo)

Find out when Jeju Island (Jejudo) has its high tourist season (the period when the influx of tourists is highest) and off-peak tourist season using our data and figures.

Tourist seasons in Jeju Island (Jejudo)

Very low season in Jeju Island (Jejudo)
The months with the lowest number of tourists are: January, February and March.
Low season in Jeju Island (Jejudo)
The months with low numbers of tourists are: December.
High season in Jeju Island (Jejudo)
The number of visitors to Jeju Island (Jejudo) is high in: April, May, June, July, September and November.
Peak season in Jeju Island (Jejudo)
The largest number of tourists visiting Jeju Island (Jejudo) is during: August and October.

Figure: Visitor index for Jeju Island (Jejudo) month by month

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