Karatu Weather in December
What's the weather like in Karatu (Arusha) in December 2025?
The climate in Karatu during December can be summarized as warm and a little damp.
December is in the summer in Karatu and is typically the 6th warmest month of the year. Daytime maximum temperatures average around 25°C (77°F), whilst at night 13°C (55°F) is normal.
| Daytime temperature | 25.2°C 77.3°F |
|---|---|
| Nightly temperature | 12.7°C 54.8°F |
| Average temperature | 18.9°C 66°F |
| Daily sunshine | 8 hrs |
| Avg rainfall | 96 mm 3.8 ins |
| Rainy days | 16 days |
| Sea temperature | 28.2°C 82.8°F |
| Humidity | 71% |
| Windspeed | 10.4kph 7 mph |
On average December is the 3rd wettest month of the year in Karatu with around 96mm 3.8 inches of rain making it a a little damp time to visit. This rainfall is typically spread over 16 days, although this may vary considerably.
On the flip side this corresponds to an average of 8 hours of sunshine per day.
December temperatures in Karatu
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 Karatu in December 2025.
Other monthly averages
Best places to visit in December
Karatu weather stats
| Hottest month: | March | 25.5°C 77.9°F |
|---|---|---|
| Driest month: | September | 4mm 0.2ins |
| Sunniest month: | October | 9hrs |
| Coldest month: | July | 21°C 69.8°F |
| Wettest month: | April | 178mm 7ins |
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