Last updated: March 2, 2024
The weather in Cayenne, French Guiana, during January is characterized by an average temperature of 26°C (79°F). Highs can soar to 28°C (84°F), while lows may dip to 24°C (75°F). Typically, the humidity level in Cayenne throughout January hovers around 78%.
Minimum temperature
Average temperature
Maximum temperature
Humidity
In January, Cayenne averages 225 mm (8.9 inches) of rainfall, typically over the course of 23 rainy days. The month enjoys an average of 11 hours 51 minutes of daylight, with the sun shining for approximately 7 hours 53 minutes each day. Additionally, there is a 18% probability of sunny days during this period.
Precipitation
Rainy days
Sunshine hours
Chance of sun
In January, the UV Index in Cayenne reaches a maximum of 13, 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 | 1 | 4 | 7 | 11 | 13 | 13 | 11 | 8 | 4 | 2 | 1 | 0 |
| Exposure | Low | Moderate | High | Extreme | VeryHigh | Moderate | Low | ||||||
| Time to burn | 45 min | 30 min | 25 min | 10 min | 15 min | 30 min | 45 min | ||||||