French Guiana weather in December 2024

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

  • 30°C maximum daytime temperature in December in French Guiana (Cayenne)30
    30°C max day temperature
  • 5 hours of sunshine per day
  • 18 days with some rainfall in December in French Guiana (Cayenne)18
    18 days with some rainfall
  • 23°C minimum night-time temperature in December in French Guiana (Cayenne)23
    23°C min night temperature
  • 12 hours of daylight per day in December in French Guiana (Cayenne)12
    12 hours of daylight per day
  • High heat & humidity in December in French Guiana (Cayenne)H
    High heat & humidity
  • 294 mm monthly rainfall in December in French Guiana (Cayenne)294
    294 mm of monthly rainfall
  • UV (maximum) index 11 (Extreme) in December in French Guiana (Cayenne)11
    11 (Extreme) UV index
  • 27°C sea temperature in December in French Guiana (Cayenne)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)

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How hot is it in French Guiana in December?

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

How sunny is it in French Guiana in December?

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

How warm is the sea around French Guiana in December?

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

Does it rain in French Guiana in December?

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

French Guiana December sunrise & sunset times

Browse the sunrise and sunset times for French Guiana in December 2024. Select a month to view French Guiana sunrise and sunset times for the next 12 months. The French Guiana sunrise and sunset times shown below are for Cayenne.

JanFebMarAprMayJunJulAugSepOctNovDec

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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