The climate in Janeng during December can be summarized as hot and a little damp.
December is in the summer in Janeng and is typically the 2nd warmest month of the year. Daytime maximum temperatures average around a comfortable 31°C (87°F), whilst at night 17°C (62°F) is normal.
| Daytime temperature | 30.6°C 87°F |
|---|---|
| Nightly temperature | 16.9°C 62.3°F |
| Average temperature | 23.7°C 74.7°F |
| Daily sunshine | 9.3 hrs |
| Avg rainfall | 84 mm 3.3 ins |
| Rainy days | 8 days |
| Sea temperature | 22.3°C 72.1°F |
| Humidity | 57% |
| Windspeed | 8.3kph 5 mph |
On average December is the 3rd wettest month of the year in Janeng with around 84mm 3.3 inches of rain making it a a little damp time to visit. This rainfall is typically spread over 8 days, although this may vary considerably.
On the flip side this corresponds to an average of 9.3 hours of sunshine per day.
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 Janeng in December 2025.
Best places to visit in December
| Hottest month: | January | 30.3°C 86.5°F |
|---|---|---|
| Driest month: | July | 3mm 0.1ins |
| Sunniest month: | August | 11hrs |
| Coldest month: | June | 19.7°C 67.5°F |
| Wettest month: | January | 109mm 4.3ins |