Weather in Jeju: October
 |
Average day temperature: | 68.9°F |
| Average night temperature: | 64.6°F | |
 |
Sea water temperature: | 72.7°F |
 |
Number of sunny days: | 14 days |
| Day length: | 10.9 - 11.8 hours | |
 |
Number of rainy days: | 3 days |
| Precipitation totals: | 3.7 in. | |
| more information | ||
forecast
| Jeju |
temperature
| Jeju |
Air temperature in October, °F
The highest day temperature during October of 2026 was 78°F. At the same time the lowest night temperature was 57°F. Daily and nightly averages during October were 70.3°F and 65.6°F.
Sea water temperature in Jeju in October, °F
The average sea water temperature in October of 2026 was 74.6°F. The highest and lowest sea temperatures during the month were 76.1°F and 73.8°F.
Mostly all days in October are sunny but cloudy days are also possible.
Precipitation total in October, in.
Precipitation total value in Jeju in October is 4.0 in. Other months of the year show relatively similar values.
The average wind speed value in October is 11.4 mph It makes October one of the most windy months of the year.
This chart shows average number of hours during the day when sunlight can reach the ground. It depends on day length and cloudiness during the day. The average number of sunny hours in October is: 6.2.
Best time for vacation in Jeju
Jeju on a weather map
14 mph
16 mph
17 mph
19 mph
21 mph
22 mph
18 mph
16 mph
