Jeju Weather: August
 |
Average Day Temperature: | 88.3°F |
|
Average Night Temperature: | 81.3°F |
|
Sea Water Temperature: | 84.7°F |
|
Number of Sunny Days: | 10 days |
| Sunshine Hours: | 12.9 - 13.8 hours | |
|
Number of Rainy Days: | 8 days |
| Precipitation Totals: | 8.9 in | |
| detailed information | ||
Temperature
| Jeju |
Air Temperature in August, °F
The highest day temperature in August 2025 was 94°F. The lowest night temperature was 78°F. The average values for day and night temperatures during August were 89.9°F и 81.4°F respectivly.
Jeju Water Sea Temperature in August, °F
The average sea surface temperature in August 2025 for Jeju was 87.3°F. The maximum and minimum values were 83.6°F and 89.6°F respectively.
You can expect various weather conditions during August. Be ready for sunny, cloudy or even gloomy days.
Precipitation Totals in August, in
Precipitation total in August for Jeju is 8.9 in. It makes august the most rainy month of the year.
The average wind speed in August is 10.5 mph. It makes August one of the most windless months of the year for Jeju.
We are using day length and cloud cover information for each day of the month to calculate averages for this chart. Average sunny hours for Jeju in August is 7.5 hours.
Jeju on the Weather Map
| 2100 |  |
40°F | S 4 mph |
| 0000 | |
42°F | SE 2 mph |
| 0300 | |
42°F | E 4 mph |
| 0600 | |
42°F | E 6 mph |
| 0900 |  |
46°F | E 7 mph |
| 1200 | |
54°F | E 11 mph |
| 1500 |  |
54°F | E 13 mph |
| 1800 | |
52°F | NE 11 mph |