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.
In the table below you can quickly check the average weather in French Guiana per month, the temperature per month or the period with the highest precipitation. Monthly average climate data is based on data from the last 30 years.
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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.
What is the average French Guiana weather like in a given month? Let's find out! Click on a month to check all the monthly averages for sunshine, temperature highs and lows, percentage chance of rain per day, snowfall accumulation and number of rainy days.
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28°C
31°C
32°C
