Last updated: March 2, 2024
The weather in Cayenne, French Guiana, during May is characterized by an average temperature of 26°C (80°F). Highs can soar to 29°C (85°F), while lows may dip to 24°C (76°F). Typically, the humidity level in Cayenne throughout May hovers around 78%.
Minimum temperature
Average temperature
Maximum temperature
Humidity
In May, Cayenne averages 576 mm (22.7 inches) of rainfall, typically over the course of 30 rainy days. The month enjoys an average of 12 hours 19 minutes of daylight, with the sun shining for approximately 8 hours 22 minutes each day. Additionally, there is a 9% probability of sunny days during this period.
Precipitation
Rainy days
Sunshine hours
Chance of sun
In May, the UV Index in Cayenne reaches a maximum of 14, indicating a level of Extreme exposure. The most intense UV radiation typically occurs between 12:00 and 14:00, during which unprotected skin may burn in as little as 10 minutes.
| 07:00 | 08:00 | 09:00 | 10:00 | 11:00 | 12:00 | 13:00 | 14:00 | 15:00 | 16:00 | 17:00 | 18:00 | 19:00 | |
|---|---|---|---|---|---|---|---|---|---|---|---|---|---|
| UVI | 1 | 2 | 5 | 9 | 12 | 14 | 14 | 11 | 8 | 4 | 2 | 1 | 0 |
| Exposure | Low | Moderate | VeryHigh | Extreme | VeryHigh | Moderate | Low | ||||||
| Time to burn | 45 min | 30 min | 15 min | 10 min | 15 min | 30 min | 45 min | ||||||