French Guiana weather in July 2019

  • 31°C maximum daytime temperature in July in French Guiana (Cayenne)31
    31°C max day temperature
  • 7 hours of sunshine per day
  • 18 days with some rainfall in July in French Guiana (Cayenne)18
    18 days with some rainfall
  • 23°C minimum night-time temperature in July in French Guiana (Cayenne)23
    23°C min night temperature
  • 12 hours of daylight per day in July in French Guiana (Cayenne)12
    12 hours of daylight per day
  • Very high heat & humidity in July in French Guiana (Cayenne)VH
    Very High heat & humidity
  • 200 mm monthly rainfall in July in French Guiana (Cayenne)200
    200 mm of monthly rainfall
  • UV (maximum) index 11 (Extreme) in July in French Guiana (Cayenne)11
    11 (Extreme) UV index
  • 28°C sea temperature in July in French Guiana (Cayenne)28
    28°C sea temperature

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Expect 31°C daytime maximum temperatures in the shade with on average 7 hours of sunshine per day in French Guiana in July. Check more long-term weather averages for French Guiana in July before you book your next holiday to French Guiana in 2019/2020. The July weather averages shown above are for Cayenne.

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More about French Guiana

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The July weather guide for French Guiana, represented by 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)

Guide to French Guiana weather in July

The average maximum daytime temperature in French Guiana in July is a hot 31°C (88°F) with very high heat & humidity. The average night-time temperature is usually a warm 23°C (73°F). There are usually 7 hours of bright sunshine each day, which represents 56% of the 12 hours of daylight.

Expect 200mm (7.9 inches) of rainfall across the whole of July with 18 days with some rain falling. Maximum UV levels will be extreme (11 UV index) at midday when the skies are clear.

The average sea temperature in and around French Guiana in July is 28°C (82°F).

The weather in French Guiana in July is represented by Cayenne.

French Guiana sunrise & sunset times for July 2019

Browse the sunrise & sunset times for French Guiana in July 2019. 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
Monday, 1st July 2019 06:21 18:45
Tuesday, 2nd July 2019 06:21 18:45
Wednesday, 3rd July 2019 06:21 18:46
Thursday, 4th July 2019 06:22 18:46
Friday, 5th July 2019 06:22 18:46
Saturday, 6th July 2019 06:22 18:46
Sunday, 7th July 2019 06:22 18:46
Monday, 8th July 2019 06:23 18:46
Tuesday, 9th July 2019 06:23 18:46
Wednesday, 10th July 2019 06:23 18:46
Thursday, 11th July 2019 06:23 18:47
Friday, 12th July 2019 06:23 18:47
Saturday, 13th July 2019 06:24 18:47
Sunday, 14th July 2019 06:24 18:47
Monday, 15th July 2019 06:24 18:47
Tuesday, 16th July 2019 06:24 18:47
Wednesday, 17th July 2019 06:24 18:47
Thursday, 18th July 2019 06:24 18:47
Friday, 19th July 2019 06:24 18:47
Saturday, 20th July 2019 06:25 18:47
Sunday, 21st July 2019 06:25 18:47
Monday, 22nd July 2019 06:25 18:47
Tuesday, 23rd July 2019 06:25 18:47
Wednesday, 24th July 2019 06:25 18:47
Thursday, 25th July 2019 06:25 18:46
Friday, 26th July 2019 06:25 18:46
Saturday, 27th July 2019 06:25 18:46
Sunday, 28th July 2019 06:25 18:46
Monday, 29th July 2019 06:26 18:46
Tuesday, 30th July 2019 06:26 18:46
Wednesday, 31st July 2019 06:26 18:46
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