Antananarivo Weather in December
What's the weather like in Antananarivo (Madagascar) in December 2025?
The climate in Antananarivo during December can be summarized as warm, humid and very wet.
December is in the summer in Antananarivo and is typically the 3rd warmest month of the year. Daytime maximum temperatures average around a muggy 26°C (78°F), whilst at night 16°C (61°F) is normal.
| Daytime temperature | 25.7°C 78.2°F |
|---|---|
| Nightly temperature | 16°C 60.7°F |
| Average temperature | 20.8°C 69.4°F |
| Daily sunshine | 6.4 hrs |
| Avg rainfall | 310 mm 12.2 ins |
| Rainy days | 21 days |
| Sea temperature | 28°C 82.3°F |
| Humidity | 80% |
| Windspeed | 6.8kph 4 mph |
On average December is the wettest month of the year in Antananarivo with around 310mm 12.2 inches of rain making it a very wet time to visit. This rainfall is typically spread over 21 days, although this may vary considerably.
On the flip side this corresponds to an average of 6.4 hours of sunshine per day.
December temperatures in Antananarivo
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 Antananarivo in December 2025.
Other monthly averages
Best places to visit in December
Antananarivo weather stats
| Hottest month: | February | 25.5°C 77.9°F |
|---|---|---|
| Driest month: | June | 14mm 0.6ins |
| Sunniest month: | September | 8.6hrs |
| Coldest month: | July | 19.6°C 67.3°F |
| Wettest month: | December | 310mm 12.2ins |
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