French Guiana weather in May 2019

  • 29°C maximum daytime temperature in May in French Guiana (Cayenne)29
    29°C max day temperature
  • 4 hours of sunshine per day
  • 26 days with some rainfall in May in French Guiana (Cayenne)26
    26 days with some rainfall
  • 23°C minimum night-time temperature in May in French Guiana (Cayenne)23
    23°C min night temperature
  • 12 hours of daylight per day in May in French Guiana (Cayenne)12
    12 hours of daylight per day
  • High heat & humidity in May in French Guiana (Cayenne)H
    High heat & humidity
  • 544 mm monthly rainfall in May in French Guiana (Cayenne)544
    544 mm of monthly rainfall
  • UV (maximum) index 11+ (Extreme) in May in French Guiana (Cayenne)11
    11+ (Extreme) UV index
  • 27°C sea temperature in May in French Guiana (Cayenne)27
    27°C sea temperature

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Expect 29°C daytime maximum temperatures in the shade with on average 4 hours of sunshine per day in French Guiana in May. Check more long-term weather averages for French Guiana in May before you book your next holiday to French Guiana in 2019/2020. The May weather averages shown above are for Cayenne.

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More about French Guiana

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

The May 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 May

The average maximum daytime temperature in French Guiana in May is a warm 29°C (84°F) with high heat & humidity. The average night-time temperature is usually a warm 23°C (73°F). There are usually 4 hours of bright sunshine each day, which represents 36% of the 12 hours of daylight.

Expect 544mm (21.4 inches) of rainfall across the whole of May with 26 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 May is 27°C (81°F).

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

French Guiana sunrise & sunset times for May 2019

Browse the sunrise & sunset times for French Guiana in May 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
Wednesday, 1st May 2019 06:18 18:35
Thursday, 2nd May 2019 06:17 18:35
Friday, 3rd May 2019 06:17 18:35
Saturday, 4th May 2019 06:17 18:35
Sunday, 5th May 2019 06:17 18:35
Monday, 6th May 2019 06:17 18:35
Tuesday, 7th May 2019 06:16 18:35
Wednesday, 8th May 2019 06:16 18:35
Thursday, 9th May 2019 06:16 18:36
Friday, 10th May 2019 06:16 18:36
Saturday, 11th May 2019 06:16 18:36
Sunday, 12th May 2019 06:16 18:36
Monday, 13th May 2019 06:16 18:36
Tuesday, 14th May 2019 06:15 18:36
Wednesday, 15th May 2019 06:15 18:36
Thursday, 16th May 2019 06:15 18:36
Friday, 17th May 2019 06:15 18:36
Saturday, 18th May 2019 06:15 18:36
Sunday, 19th May 2019 06:15 18:37
Monday, 20th May 2019 06:15 18:37
Tuesday, 21st May 2019 06:15 18:37
Wednesday, 22nd May 2019 06:15 18:37
Thursday, 23rd May 2019 06:15 18:37
Friday, 24th May 2019 06:15 18:37
Saturday, 25th May 2019 06:15 18:37
Sunday, 26th May 2019 06:15 18:38
Monday, 27th May 2019 06:15 18:38
Tuesday, 28th May 2019 06:15 18:38
Wednesday, 29th May 2019 06:15 18:38
Thursday, 30th May 2019 06:15 18:38
Friday, 31st May 2019 06:15 18:39
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