French Guiana weather in January 2021

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  • 29°C maximum daytime temperature in January in French Guiana (Cayenne)29
    29°C max day temperature
  • 4 hours of sunshine per day
  • 20 days with some rainfall in January in French Guiana (Cayenne)20
    20 days with some rainfall
  • 23°C minimum night-time temperature in January in French Guiana (Cayenne)23
    23°C min night temperature
  • 12 hours of daylight per day in January in French Guiana (Cayenne)12
    12 hours of daylight per day
  • High heat & humidity in January in French Guiana (Cayenne)H
    High heat & humidity
  • 367 mm monthly rainfall in January in French Guiana (Cayenne)367
    367 mm of monthly rainfall
  • UV (maximum) index 11+ (Extreme) in January in French Guiana (Cayenne)11
    11+ (Extreme) UV index
  • 27°C sea temperature in January in French Guiana (Cayenne)27
    27°C sea temperature
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The January weather guide for French Guiana 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.

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How hot is it in French Guiana in January?

Daytime temperatures usually reach 29°C in Cayenne, French Guiana in January with high heat and humidity, falling to 23°C at night.

How sunny is it in French Guiana in January?

There are normally 4 hours of bright sunshine each day in Cayenne, French Guiana in January - that's 34% of daylight hours.

How warm is the sea around French Guiana in January?

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

Does it rain in French Guiana in January?

There are usually 20 days with some rain in Cayenne, French Guiana in January and the average monthly rainfall is 367mm.

French Guiana sunrise & sunset times for January 2021

Browse the sunrise & sunset times for French Guiana in January 2021. Select a month to view French Guiana sunrise & sunset times for the next twelve months. The French Guiana sunrise & sunset times shown below are for Cayenne.

JanFebMarAprMayJunJulAugSepOctNovDec

Date Sunrise times Sunset times
Friday, 1st January 2021 06:38 18:28
Saturday, 16th January 2021 06:43 18:35
Sunday, 31st January 2021 06:45 18:40
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Metric (°C / mm)  |  Imperial (°F / inches)

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