Jeju Island (Jejudo) in august: average Weather, Temperature and Climate
Weather in Jeju Island (Jejudo) in august 2025
The weather in Jeju Island (Jejudo) in august comes from statistical datas on the past years. You can view the weather statistics for all the month, but also navigating through the tabs for the beginning, the middle and the end of the month.
Average weather throughout august
tolerable weather UV index: 7
Weather at 6am
77°F
Moderate rain at times
28% of time
28%
26%
10%
Weather at 12pm
85°F
Clear/Sunny
31% of time
30%
25%
10%
Weather at 6pm
83°F
Clear/Sunny
41% of time
27%
19%
9%
Weather at 3am
79°F
33%
31%
16%
12%
Evolution of daily average temperature and precipitation in Jeju Island (Jejudo) in august
These charts show the evolution of average minimum/maximum temperatures as well as average daily precipitation volume in Jeju Island (Jejudo) in august.
The climate of Jeju Island (Jejudo) in august is tolerable
The weather in august in Jeju Island (Jejudo) is wet (with 10.9in of precipitation over 9 days). The weather is better from the previous month since in july it receives an average of 11.9in of precipitation over 9 days.
The climate enjoyable in that area august. The high seasonal norm is 85°F. In the morning the temperature drops to 77°F. Thus, the mean temperature average on this month of august in Jeju Island (Jejudo) is 81°F. Note that these seasonal averages are in contrast with those observed in Jeju Island (Jejudo) in august with a maximum record of 92°F in 2021 and a minimum record of 68°F in 2019. You can expect to have about 12 days with temperatures up to 86°F, or 39 of time.
In august in Jeju Island (Jejudo), the days on average last 13:24. Sunrise is at 05:56 and sunset is at 19:20.
With a correct weather, august is okay (but not good) to go in this city in South Korea.
August: another location in South Korea?
If you want to go to South Korea in august, there are destinations with better weather than Jeju Island (Jejudo):
In august, Busan, Andong, Anseong, Daegu, Gangneung and Gwangju have good weather.
Seasonal average climate and temperature of Jeju Island (Jejudo) in august
Check below seasonal norms These statistics are generated from the weather statements of the past years of the month of august.
| August | |||||
| Outside temperature | |||||
| Average temperature | 81°F | ||||
| Highest temperature | 85°F | ||||
| Lowest temperature | 77°F | ||||
| Highest record temperature | 92°F (2021) | ||||
| Lowest record temperature | 68°F (2019) | ||||
| Number of days at +86°F | 12 day(s) (39%) | ||||
| Number of days at +65°F | 31 day(s) (100%) | ||||
| Sea temperature | |||||
| Average sea temperature | 80°F | ||||
| Lowest sea temperature | 74°F | ||||
| Highest sea temperature | 85°F | ||||
| Wind | |||||
| Wind speed | 23km/h | ||||
| Wind temperature | 77°F | ||||
| Precipitation (rainfall) | |||||
| Rainfall | 10.9in | ||||
| Number of days with rainfall | 9 day(s) (30%) | ||||
| Record daily rainfall | 10.2in (2018) | ||||
| Other climate data | |||||
| Humidity | 87% | ||||
| Visibility | 9.37km | ||||
| Cloud cover | 40% | ||||
| UV index | 7 | ||||
| Daily sunshine hours | 12 | ||||
| Sunrise and sunset | |||||
| Time of sunrise | 05:56 | ||||
| Time of sunset | 19:20 | ||||
| Length of day | 13:24 | ||||
| Our opinion about the weather in august | |||||
| Our opinion at whereandwhen.net | tolerable | ||||
How was the weather last august?
Here is the day by day recorded weather in Jeju Island (Jejudo) in august 2024:
79°F to 90°F
81°F to 90°F
81°F to 88°F
79°F to 90°F
79°F to 88°F
79°F to 88°F
79°F to 88°F
79°F to 88°F
79°F to 86°F
79°F to 86°F
79°F to 86°F
77°F to 88°F
79°F to 86°F
77°F to 85°F
77°F to 86°F
77°F to 86°F
77°F to 86°F
77°F to 86°F
77°F to 88°F
79°F to 86°F
81°F to 88°F
79°F to 88°F
77°F to 88°F
77°F to 86°F
77°F to 86°F
77°F to 85°F
77°F to 86°F
77°F to 83°F
79°F to 81°F
77°F to 83°F
76°F to 83°F
Map: other cities in South Korea in august
Cities near Jeju Island (Jejudo):
| Gaigeturi in august | tolerable weather |
| Seogwipo in august | tolerable weather |
| Haenam in august | tolerable weather |
| Moppo in august | tolerable weather |
| Muan in august | good weather |
| Naju in august | tolerable weather |
| Yeosu in august | tolerable weather |
| Hwasun in august | good weather |
| Suncheon in august | tolerable weather |
| Gwangju in august | good weather |
| Kwangyang in august | tolerable weather |
| Namhae in august | good weather |
Click over cities on the map for information about the weather in august.
Jeju Island (Jejudo)
perfect weather
good
tolerable
bad
very bad
Weather data for Jeju Island (Jejudo) in august:
Weather data for Jeju Island (Jejudo) for august are derived from an average of the weather forecast since 2009 in Jeju Island (Jejudo). There is a margin of error and these forecasts are to be considered as general information only. The weather in Jeju Island (Jejudo) can vary slightly from year to year, but this data should limit surprises. So you can pack your bags or check for the best time in year to go to Jeju Island (Jejudo).