Osan Weather in December
What's the weather like in Osan (Gyeonggi Province) in December 2024?
The climate in Osan during December can be summarized as cold and dry.
December is in the winter in Osan and is typically the 3rd coldest month of the year. Daytime maximum temperatures average around a freezing 4°C (40°F), whilst at night -6°C (22°F) is normal.
| Daytime temperature | 4.3°C 39.7°F |
|---|---|
| Nightly temperature | -5.7°C 21.8°F |
| Average temperature | -0.7°C 30.7°F |
| Daily sunshine | 5.9 hrs |
| Avg rainfall | 25 mm 1 ins |
| Rainy days | 9 days |
| Sea temperature | 10.7°C 51.3°F |
| Humidity | 73% |
| Windspeed | 5.4kph 3 mph |
On average December is the driest month of the year in Osan with around 25mm 1 inches of rain making it a dry time to visit. This rainfall is typically spread over 9 days, although this may vary considerably.
On the flip side this corresponds to an average of 5.9 hours of sunshine per day.
December temperatures in Osan
December rainfall
December hourly sunshine
The data used in these monthly averages covers a period of over 100 years right up until last year. As such they are a valid prediction of what to expect for the weather in Osan in December 2024.
Other monthly averages
Best places to visit in December
Osan weather stats
| Hottest month: | August | 29.6°C 85.3°F |
|---|---|---|
| Driest month: | December | 25mm 1ins |
| Sunniest month: | October | 7.5hrs |
| Coldest month: | January | 1.2°C 34.2°F |
| Wettest month: | July | 309mm 12.2ins |
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