Grand-Santi Weather in December
What's the weather like in Grand-Santi (Guyane) in December 2024?
The climate in Grand-Santi during December can be summarized as hot, humid and very wet.
December is in the winter in Grand-Santi and is typically the 4th coldest month of the year. Daytime maximum temperatures average around a steamy 31°C (87°F), whilst at night 22°C (72°F) is normal.
| Daytime temperature | 30.7°C 87.2°F |
|---|---|
| Nightly temperature | 22°C 71.5°F |
| Average temperature | 26.3°C 79.3°F |
| Daily sunshine | 6.1 hrs |
| Avg rainfall | 202 mm 8 ins |
| Rainy days | 18 days |
| Sea temperature | 27.5°C 81.5°F |
| Humidity | 71% |
| Windspeed | 2.9kph 2 mph |
On average December is the 6th driest month of the year in Grand-Santi with around 202mm 8 inches of rain making it a very wet time to visit. This rainfall is typically spread over 18 days, although this may vary considerably.
On the flip side this corresponds to an average of 6.1 hours of sunshine per day.
December temperatures in Grand-Santi
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-Santi in December 2024.
Other monthly averages
Best places to visit in December
Grand-Santi weather stats
| Hottest month: | October | 32.6°C 90.7°F |
|---|---|---|
| Driest month: | October | 79mm 3.1ins |
| Sunniest month: | September | 9hrs |
| Coldest month: | January | 29.7°C 85.5°F |
| Wettest month: | May | 361mm 14.2ins |
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