Grand-Popo Weather in December
What's the weather like in Grand-Popo (Mono) in December 2025?
The climate in Grand-Popo during December can be summarized as hot, humid and dry.
December is in the winter in Grand-Popo and is typically the 6th warmest month of the year. Daytime maximum temperatures average around a steamy 32°C (89°F), whilst at night 23°C (73°F) is normal.
| Daytime temperature | 31.8°C 89.2°F |
|---|---|
| Nightly temperature | 22.8°C 73°F |
| Average temperature | 27.3°C 81.1°F |
| Daily sunshine | 7.4 hrs |
| Avg rainfall | 24 mm 0.9 ins |
| Rainy days | 2 days |
| Sea temperature | 28.4°C 83°F |
| Humidity | 77% |
| Windspeed | 7.2kph 5 mph |
On average December is the 2nd driest month of the year in Grand-Popo with around 24mm 0.9 inches of rain making it a dry time to visit. This rainfall is typically spread over 2 days, although this may vary considerably.
On the flip side this corresponds to an average of 7.4 hours of sunshine per day.
December temperatures in Grand-Popo
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 Grand-Popo in December 2025.
Other monthly averages
Best places to visit in December
Grand-Popo weather stats
| Hottest month: | March | 32.6°C 90.7°F |
|---|---|---|
| Driest month: | January | 11mm 0.4ins |
| Sunniest month: | November | 8.3hrs |
| Coldest month: | August | 28.2°C 82.8°F |
| Wettest month: | June | 256mm 10.1ins |
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