Cayenne weather in December 2024

Expect 30°C daytime maximum temperatures in the shade with on average 5 hours of sunshine per day in Cayenne in December. Check more long-term weather averages for Cayenne in December before you book your next holiday to French Guiana in 2024/2025.

30
30°C max day temperature
5
5 hours of sunshine per day
18
18 days with some rainfall
23
23°C min night temperature
12
12 hours of daylight per day
H
High heat & humidity
294
294 mm of monthly rainfall
11
11 (Extreme) UV index
27
27°C sea temperature

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The December weather guide for French Guiana, represented by Cayenne, (Cayenne) shows long term weather averages processed from data supplied by CRU (University of East Anglia), the Met Office & the Netherlands Meteorological Institute. Find out more about our data sources.

Metric (°C / mm) | Imperial (°F / inches)

How hot is it in Cayenne in December?

Daytime temperatures usually reach 30°C in Cayenne in December with high heat and humidity, falling to 23°C at night.

How sunny is it in Cayenne in December?

There are normally 5 hours of bright sunshine each day in Cayenne in December - that's 45% of daylight hours.

How warm is the sea around Cayenne in December?

The average sea temperature around Cayenne in December is 27°C.

Does it rain in Cayenne in December?

There are usually 18 days with some rain in Cayenne in December and the average monthly rainfall is 294mm.

Cayenne December sunrise & sunset times

Browse the sunrise and sunset times for Cayenne in December 2024. Select a month to view Cayenne sunrise and sunset times for the next 12 months.

Jan Feb Mar Apr May Jun Jul Aug Sep Oct Nov Dec

Date	Sunrise times	Sunset times
Sunday, 1st December 2024	06:23	18:14
Monday, 16th December 2024	06:30	18:20
Tuesday, 31st December 2024	06:37	18:28

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French Guiana - quick facts
Time difference	UK -3 hours
Language(s)	French
Currency	Euro
Electricity	C + E plug (230V)
Driving side	Right
Tourist info	Atout France