Jatisari Weather in December
What's the weather like in Jatisari (East Java) in December 2025?
The climate in Jatisari during December can be summarized as hot, humid and very wet.
December is in the summer in Jatisari and is typically the 3rd warmest month of the year. Daytime maximum temperatures average around a steamy 31°C (88°F), whilst at night 23°C (73°F) is normal.
| Daytime temperature | 31.2°C 88.2°F |
|---|---|
| Nightly temperature | 22.8°C 73°F |
| Average temperature | 27°C 80.6°F |
| Daily sunshine | 8.4 hrs |
| Avg rainfall | 327 mm 12.9 ins |
| Rainy days | 14 days |
| Sea temperature | 29.2°C 84.6°F |
| Humidity | 79% |
| Windspeed | 11.5kph 7 mph |
On average December is the 2nd wettest month of the year in Jatisari with around 327mm 12.9 inches of rain making it a very wet time to visit. This rainfall is typically spread over 14 days, although this may vary considerably.
On the flip side this corresponds to an average of 8.4 hours of sunshine per day.
December temperatures in Jatisari
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 Jatisari in December 2025.
Other monthly averages
Best places to visit in December
Jatisari weather stats
| Hottest month: | November | 31.9°C 89.4°F |
|---|---|---|
| Driest month: | August | 26mm 1ins |
| Sunniest month: | August | 11.1hrs |
| Coldest month: | July | 30.3°C 86.5°F |
| Wettest month: | January | 345mm 13.6ins |
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