Cayenne Weather in December
What's the weather like in Cayenne (Guyane) in December 2024?
The climate in Cayenne during December can be summarized as hot, humid and very wet.
December is in the winter in Cayenne and is typically the 6th 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 | 29.8°C 85.6°F |
|---|---|
| Nightly temperature | 23°C 73.4°F |
| Average temperature | 26.4°C 79.5°F |
| Daily sunshine | 5.7 hrs |
| Avg rainfall | 294 mm 11.6 ins |
| Rainy days | 18 days |
| Sea temperature | 27.6°C 81.7°F |
| Humidity | 88% |
| Windspeed | 5.8kph 4 mph |
On average December is the 6th driest month of the year in Cayenne with around 294mm 11.6 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 5.7 hours of sunshine per day.
December temperatures in Cayenne
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 Cayenne in December 2024.
Other monthly averages
Best places to visit in December
Cayenne weather stats
| Hottest month: | September | 32.1°C 89.8°F |
|---|---|---|
| Driest month: | September | 41mm 1.6ins |
| Sunniest month: | October | 8.9hrs |
| Coldest month: | January | 28.6°C 83.5°F |
| Wettest month: | May | 544mm 21.4ins |
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