French Guiana (Cayenne)
May
Weather in French Guiana for May 2025
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 28.3 °C. As the month progressed, temperatures tended to remain steady, reaching an average of 28.3 °C by the end of May.
French Guiana experiences an exceptionally high level of rainfall in May, with more than 24 rainy days on average.
Is May a good time to visit French Guiana? check out the best time to travel to French Guiana page.
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0
Dry days
31
Rainy days
0
Snow days
29°/23°
Temperatures
11 km/h
Avg max wind
90 %
Avg humidity
French Guiana in May average weather
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| Mon. | Tue. | Wed. | Thu. | Fri. | Sat. | Sun. |
|---|---|---|---|---|---|---|
| 1  29° | 2 28° | 3 27° | 4  29° | |||
| 5 29° | 6 28° | 7 28° | 8 27° | 9 27° | 10 26° | 11 28° |
| 12 28° | 13 27° | 14 28° | 15 30° | 16 28° | 17 28° | 18 27° |
| 19 28° | 20 28° | 21 29° | 22 29° | 23 29° | 24 29° | 25 27° |
| 26 28° | 27 28° | 28  28° | 29 29° | 30 29° | 31 29° |
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Temperatures trend during May in French Guiana
See the weather trend as well as the moving average line
May weather day by day
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| Date | Weather | Temperatures | Rain | UV | More |
|---|---|---|---|---|---|
| 1 May | Moderate rain at times | 29° /23° | 4.3 mm | 6 | |
| 2 May | Moderate or heavy rain shower | 28° /23° | 12.4 mm | 6 | |
| 3 May | Moderate or heavy rain shower | 27° /23° | 12.3 mm | 6 | |
| 4 May | Patchy rain possible | 29° /23° | 13.5 mm | 6 | |
| 5 May | Moderate rain at times | 29° /23° | 9.8 mm | 6 | |
| 6 May | Moderate or heavy rain shower | 28° /23° | 14.3 mm | 6 | |
| 7 May | Moderate or heavy rain shower | 28° /23° | 30.3 mm | 6 | |
| 8 May | Moderate or heavy rain shower | 27° /23° | 54.7 mm | 6 | |
| 9 May | Moderate or heavy rain shower | 27° /23° | 36.9 mm | 6 | |
| 10 May | Moderate or heavy rain shower | 26° /23° | 48.7 mm | 6 | |
| 11 May | Moderate or heavy rain shower | 28° /23° | 31.6 mm | 6 | |
| 12 May | Moderate or heavy rain shower | 28° /23° | 29.4 mm | 6 | |
| 13 May | Moderate or heavy rain shower | 27° /23° | 11.7 mm | 6 | |
| 14 May | Moderate or heavy rain shower | 28° /23° | 12.8 mm | 6 | |
| 15 May | Moderate or heavy rain shower | 30° /24° | 12.3 mm | 7 | |
| 16 May | Moderate or heavy rain shower | 28° /23° | 11.9 mm | 6 | |
| 17 May | Moderate or heavy rain shower | 28° /23° | 21 mm | 6 | |
| 18 May | Moderate or heavy rain shower | 27° /23° | 51.9 mm | 6 | |
| 19 May | Moderate or heavy rain shower | 28° /23° | 19.8 mm | 6 | |
| 20 May | Moderate or heavy rain shower | 28° /23° | 11.3 mm | 6 | |
| 21 May | Moderate or heavy rain shower | 29° /24° | 9.9 mm | 6 | |
| 22 May | Moderate or heavy rain shower | 29° /23° | 16.3 mm | 6 | |
| 23 May | Moderate or heavy rain shower | 29° /24° | 14.8 mm | 6 | |
| 24 May | Moderate or heavy rain shower | 29° /23° | 10.4 mm | 7 | |
| 25 May | Moderate or heavy rain shower | 27° /23° | 34.8 mm | 6 | |
| 26 May | Moderate or heavy rain shower | 28° /24° | 20.8 mm | 6 | |
| 27 May | Moderate or heavy rain shower | 28° /23° | 26.9 mm | 6 | |
| 28 May | Heavy rain at times | 28° /23° | 9.6 mm | 6 | |
| 29 May | Heavy rain at times | 29° /23° | 12.9 mm | 6 | |
| 30 May | Moderate or heavy rain shower | 29° /23° | 8.4 mm | 6 | |
| 31 May | Moderate or heavy rain shower | 29° /23° | 14.7 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.
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 29° and lows near 23°, suitable for diverse activities and preferences.
How much rainfall should be expected in French Guiana during May?
Significant rainfall exceeding 1091.2 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.
What to pack to French Guiana in May?
As you prepare for your trip to French Guiana in May, it's important to consider the typical weather patterns for the time of year. Below is a carefully tailored packing list to ensure that your time in French Guiana, during May, is comfortable and enjoyable, regardless of the weather conditions.
- Clothing
- Lightweight Clothing: T-shirts, blouses, shorts, skirts
- Rain Gear: Lightweight, waterproof clothing
- Footwear
- Waterproof Shoes
- Sandals/Flip-flops: Comfortable for warm climates
- Accessories
- Sunglasses: For sun protection
- Sun Hats: Wide-brimmed hats for sun protection in warm weather
- Umbrellas/Raincoats: For rainy days
- Personal Items
- Sunscreen: High SPF for sunny destinations
- Lip Balm with SPF: To protect against chapped lips
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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