French Guiana weather in August 2020

  • 32°C maximum daytime temperature in August in French Guiana (Cayenne)32
    32°C max day temperature
  • 8 hours of sunshine per day
  • 9 days with some rainfall in August in French Guiana (Cayenne)9
    9 days with some rainfall
  • 22°C minimum night-time temperature in August in French Guiana (Cayenne)22
    22°C min night temperature
  • 12 hours of daylight per day in August in French Guiana (Cayenne)12
    12 hours of daylight per day
  • Very high heat & humidity in August in French Guiana (Cayenne)VH
    Very High heat & humidity
  • 96 mm monthly rainfall in August in French Guiana (Cayenne)96
    96 mm of monthly rainfall
  • UV (maximum) index 11+ (Extreme) in August in French Guiana (Cayenne)11
    11+ (Extreme) UV index
  • 28°C sea temperature in August in French Guiana (Cayenne)28
    28°C sea temperature
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The August 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 August?

Daytime temperatures usually reach 32°C in Cayenne, French Guiana in August with very high heat and humidity, falling to 22°C at night.

How sunny is it in French Guiana in August?

There are normally 8 hours of bright sunshine each day in Cayenne, French Guiana in August - that's 64% of daylight hours.

How warm is the sea around French Guiana in August?

The average sea temperature around Cayenne, French Guiana in August is 28°C.

Does it rain in French Guiana in August?

There are usually 9 days with some rain in Cayenne, French Guiana in August and the average monthly rainfall is 96mm.

French Guiana sunrise & sunset times for August 2020

Browse the sunrise & sunset times for French Guiana in August 2020. 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
Saturday, 1st August 2020 06:26 18:45
Sunday, 16th August 2020 06:25 18:42
Monday, 31st August 2020 06:23 18:36
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Metric (°C / mm)  |  Imperial (°F / inches)

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