Jeju Weather: October
 |
Average Day Temperature: | 70.9°F |
|
Average Night Temperature: | 66.2°F |
|
Sea Water Temperature: | 75.1°F |
|
Number of Sunny Days: | 14 days |
| Sunshine Hours: | 10.9 - 11.8 hours | |
|
Number of Rainy Days: | 3 days |
| Precipitation Totals: | 3.6 in | |
| detailed information | ||
Temperature
| Jeju |
Air Temperature in October, °F
The highest day temperature in October 2025 was 85°F. The lowest night temperature was 56°F. The average values for day and night temperatures during October were 73.7°F и 70.4°F respectivly.
Jeju Water Sea Temperature in October, °F
The average sea surface temperature in October 2025 for Jeju was 81.1°F. The maximum and minimum values were 76.2°F and 84.2°F respectively.
Most of the days in October are sunny but you can also expect cloudy and gloomy days.
Precipitation Totals in October, in
Precipitation total in October for Jeju is 3.6 in.
The average wind speed in October is 12.8 mph. It makes October one of the most windy 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 October is 7.0 hours.
Jeju on the Weather Map
| 1800 |  |
42°F | S 9 mph |
| 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 |