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Weather and Climate in French Guiana

French Guiana has a tropical climate and is not hit by tropical cyclones. Temperatures average around 28 ° C and are relatively stable all year round in both the rainy and dry seasons.

There is a comparatively high humidity of more than 80%. The coastal regions benefit from the Atlantic trade winds during the day.

The dry season is between July and December. The other months, with the exception of March, are the rainy season. The wettest month is May.

The best time to travel is in the dry season between July and December. Then the temperatures are a little higher than in the rest of the year, but the probability of rain drops significantly. In the rainy season, the most precipitation falls in May.

Average daytime temperature

Region Jan Feb March Apr May June July Aug Sep Oct Nov Dec
Cayenne- Rochambeau 28 ° C 28 ° C 29 ° C 29 ° C 29 ° C 29 ° C 30 ° C 31 ° C 31 ° C 31 ° C 30 ° C 29 ° C

Average night temperature

Region Jan Feb March Apr May June July Aug Sep Oct Nov Dec
Cayenne-Rochambeau 22 ° C 22 ° C 23 ° C 23 ° C 23 ° C 22 ° C 22 ° C 21 ° C 21 ° C 21 ° C 22 ° C 22 ° C

Average water temperature

Region Jan Feb March Apr May June July Aug Sep Oct Nov Dec
Kourou 27 ° C 27 ° C 27 ° C 28 ° C 28 ° C 28 ° C 28 ° C 28 ° C 28 ° C 28 ° C 28 ° C 28 ° C

Average hours of sunshine / day

Region Jan Feb March Apr May June July Aug Sep Oct Nov Dec
Cayenne-Rochambeau 4 4 4 5 4 5 6 7 8 8 7 5

Average rainy days / month

Region Jan Feb March Apr May June July Aug Sep Oct Nov Dec
Cayenne-Rochambeau 24 21 21 23 26 26 20 15 9 10 14 23

 

Read more:

  • French Guiana Airports
  • French Guiana Facts
  • French Guiana Flag and Meaning
  • What is the Capital of French Guiana? Cayenne
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