Njombe Weather in December
What's the weather like in Njombe (Iringa) in December 2025?
The climate in Njombe during December can be summarized as warm and very wet.
December is in the summer in Njombe and is typically the 3rd warmest month of the year. Daytime maximum temperatures average around 25°C (77°F), whilst at night 15°C (59°F) is normal.
| Daytime temperature | 24.7°C 76.5°F |
|---|---|
| Nightly temperature | 14.9°C 58.8°F |
| Average temperature | 19.8°C 67.6°F |
| Daily sunshine | 6.3 hrs |
| Avg rainfall | 214 mm 8.4 ins |
| Rainy days | 22 days |
| Sea temperature | 28.3°C 82.9°F |
| Humidity | 74% |
| Windspeed | 10.8kph 7 mph |
On average December is the 3rd wettest month of the year in Njombe with around 214mm 8.4 inches of rain making it a very wet time to visit. This rainfall is typically spread over 22 days, although this may vary considerably.
On the flip side this corresponds to an average of 6.3 hours of sunshine per day.
December temperatures in Njombe
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 Njombe in December 2025.
Other monthly averages
Best places to visit in December
Njombe weather stats
| Hottest month: | November | 26.4°C 79.5°F |
|---|---|---|
| Driest month: | August | 1mm 0ins |
| Sunniest month: | August | 9.6hrs |
| Coldest month: | July | 21°C 69.8°F |
| Wettest month: | March | 252mm 9.9ins |
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