French Guiana (Cayenne)
May
Weather in French Guiana for May 2026
Your guide to French Guiana weather in May - trends and predictions
In general, the average temperature in French Guiana at the beginning of May is 28.1 °C. As the month progressed, temperatures tended to slightly decrease, reaching an average of 27.9 °C by the end of May.
French Guiana experiences heavy rainfall in May, with over 20 rainy days and an average total precipitation 630.6 mm.
Temperatures
Rain 🌧️
0
Dry days
31
Rainy days
0
Snow days
28°/23°
Temperatures
11 km/h
Avg max wind
89 %
Avg humidity
French Guiana Weather May
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What’s the Weather Like in French Guiana This May?
Discover the average temperatures and weather trends across French Guiana’s cities this May.
Temperatures trend during May in French Guiana
See the weather trend as well as the moving average line
May weather in French Guiana day by day
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| Date | Weather | Temperatures | Rain | UV | More |
|---|---|---|---|---|---|
| 1 May |  Light rain shower | 29° /23° | 7.5 mm | 6 | |
| 2 May |  Moderate or heavy rain shower | 28° /23° | 24.7 mm | 6 | |
| 3 May | Light rain shower | 27° /23° | 15.1 mm | 6 | |
| 4 May | Patchy rain possible | 28° /23° | 16.3 mm | 6 | |
| 5 May | Moderate rain at times | 29° /23° | 10.1 mm | 6 | |
| 6 May | Light rain shower | 28° /23° | 12.8 mm | 6 | |
| 7 May | Light rain shower | 28° /23° | 22.8 mm | 6 | |
| 8 May | Light rain shower | 28° /23° | 41.9 mm | 6 | |
| 9 May | Moderate or heavy rain shower | 28° /23° | 34.1 mm | 6 | |
| 10 May | Light rain shower | 27° /23° | 35.2 mm | 6 | |
| 11 May | Moderate or heavy rain shower | 28° /23° | 28.5 mm | 6 | |
| 12 May | Light rain shower | 28° /23° | 29.2 mm | 6 | |
| 13 May | Light rain shower | 27° /23° | 16.9 mm | 6 | |
| 14 May | Light rain shower | 27° /23° | 13.5 mm | 6 | |
| 15 May | Light rain shower | 29° /24° | 16.2 mm | 6 | |
| 16 May | Light rain shower | 28° /23° | 16.3 mm | 6 | |
| 17 May | Moderate or heavy rain shower | 27° /23° | 24.7 mm | 6 | |
| 18 May | Moderate or heavy rain shower | 26° /22° | 51.6 mm | 6 | |
| 19 May | Moderate or heavy rain shower | 28° /23° | 17.3 mm | 6 | |
| 20 May | Light rain shower | 28° /22° | 14.9 mm | 6 | |
| 21 May | Light rain shower | 29° /23° | 7.7 mm | 6 | |
| 22 May | Light rain shower | 28° /23° | 15.3 mm | 6 | |
| 23 May | Moderate or heavy rain shower | 28° /23° | 17.1 mm | 6 | |
| 24 May | Light rain shower | 28° /23° | 10.1 mm | 6 | |
| 25 May | Moderate or heavy rain shower | 26° /23° | 35.8 mm | 6 | |
| 26 May | Moderate or heavy rain shower | 28° /23° | 22.2 mm | 6 | |
| 27 May | Moderate or heavy rain shower | 28° /23° | 26.7 mm | 6 | |
| 28 May |  Heavy rain at times | 28° /22° | 7.9 mm | 6 | |
| 29 May | Heavy rain at times | 29° /23° | 9.9 mm | 6 | |
| 30 May | Light rain shower | 28° /23° | 11.9 mm | 6 | |
| 31 May | Moderate or heavy rain shower | 28° /23° | 17.2 mm | 6 | |
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Important Notice
Our weather forecast for French Guiana in May is based on the analysis of historical data rather than real-time forecast models. While this provides a general overview, weather conditions can change. We recommend that you check the French Guiana forecast closer to your planned date for the most up-to-date weather information.
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French Guiana in May - FAQ
What are the expected maximum and minimum temperatures in French Guiana during May?
During May, expect a variety of temperatures with highs around 28° and lows near 23°, suitable for diverse activities and preferences.
How much rainfall should be expected in French Guiana during May?
Significant rainfall exceeding 630.6 mm is expected in French Guiana during May, occurring over more than 31 days. Preparing for wet conditions is recommended in your planning.
What are the typical wind conditions in French Guiana during May?
The average wind speed in French Guiana during May is 11 km/h, suggesting breezy to windy conditions, depending on your activities.
May rainfall patterns in French Guiana
Explore the daily rainfall trends and prepare for French Guianas May weather 💧
UV exposure in French Guiana during May
Stay informed about UV levels for safe outdoor activities throughout the month of May ☀️
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Where is French Guiana?Get accurate weather forecasts for French Guiana, located at latitude 4.933 and longitude -52.333. Stay updated with localized weather information tailored for French Guiana.
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