Sinnamary Weather in December
What's the weather like in Sinnamary (Guyane) in December 2024?
The climate in Sinnamary during December can be summarized as hot, humid and very wet.
December is in the winter in Sinnamary and is typically the 5th coldest month of the year. Daytime maximum temperatures average around a steamy 30°C (86°F), whilst at night 23°C (73°F) is normal.
| Daytime temperature | 29.9°C 85.8°F |
|---|---|
| Nightly temperature | 22.9°C 73.2°F |
| Average temperature | 26.4°C 79.5°F |
| Daily sunshine | 5.8 hrs |
| Avg rainfall | 272 mm 10.7 ins |
| Rainy days | 18 days |
| Sea temperature | 27.5°C 81.4°F |
| Humidity | 84% |
| Windspeed | 5kph 3 mph |
On average December is the 5th wettest month of the year in Sinnamary with around 272mm 10.7 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 5.8 hours of sunshine per day.
December temperatures in Sinnamary
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 Sinnamary in December 2024.
Other monthly averages
Best places to visit in December
Sinnamary weather stats
| Hottest month: | October | 32.2°C 90°F |
|---|---|---|
| Driest month: | September | 42mm 1.7ins |
| Sunniest month: | October | 8.7hrs |
| Coldest month: | January | 28.8°C 83.8°F |
| Wettest month: | May | 476mm 18.7ins |
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