French Guiana
28 to 32°C
2882 hours
sunshine per day
1358 mm
93 days
272 days
0 days

Climate of French Guiana

French Guiana has a tropical monsoon climate. You have high temperatures and a lot of rainfall throughout the year. The average annual temperature for French Guiana is 29° degrees and there is about 1357 mm of rain in a year. It is dry for 67 days a year with an average humidity of 81% and an UV-index of 7.

Climate averages for the whole year

  • Day: the average daily temperature during the day is between 28°C and 32°C
  • Night:the average nighttime temperature is between 24°C and 25°C
  • Rain: it rains 272 days and there is a total of approximately 1358 mm rainfall
  • Sun hours: throughout the year there are 2882 sun hours
Maximum temperature: between 28°C and 32°C
Warmest month: 32°C in September
Coldest month: 28°C in January
Night temperature: between 24°C and 25°C
Dry days: 93 days
Days with rain: 272 days
Days with snow: 0 days
Total rain sum: 1358 mm
Hours of sunshine: 2882 hours

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Temperature graph

This graph shows the average maximum temperature (red) and minimum temperature (blue) for French Guiana.

Precipitation graph

This graph shows the average amount of rainfall per month for French Guiana.

Climate table of French Guiana

In this climate table you can see at a glance what the average weather per month is for French Guiana. The data has been collected over a 30-year period, from which an average per month has been derived. From year to year the differences may be larger or smaller, but with this climate table you have a good idea of what the weather for French Guiana might be like in a given month.

Jan Feb Mar Apr May Jun Jul Aug Sep Oct Nov Dec
Day temp. (°C) 28 28 28 28 29 29 30 31 32 32 31 29
Night temp. (°C) 24 24 24 25 25 24 24 24 25 25 25 24
Jan Feb Mar Apr May Jun Jul Aug Sep Oct Nov Dec
Precipitation (mm) 155 168 123 162 192 138 90 47 22 26 65 170
Days with rain 28 26 27 27 29 28 26 17 12 11 16 25
Dry days 3 2 4 3 2 2 5 14 18 20 14 6
Jan Feb Mar Apr May Jun Jul Aug Sep Oct Nov Dec
Sun hours per day 7 6 6 7 8 8 9 9 9 9 9 8
Wind force (Bft) 3 3 3 3 2 2 2 2 2 2 2 3
UV-index 6 6 6 6 6 7 7 7 7 7 7 6

Best time to visit French Guiana

To go to French Guiana, the best time to visit is July through November. In this period you have a warm temperature and little precipitation. In French Guiana, September is the warmest month with 32°C and the most cold month is 28°C in January.

Climate of French Guiana by month

What is the average climate in a given month for French Guiana? Click on a month to see all monthly averages for sunshine, maximum and minimum temperatures, percent chance of rain per day, snowfall and number of rainy days.

French Guiana weather experiences

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