Last updated: March 2, 2024
The weather in Grand-Santi, French Guiana, during January is characterized by an average temperature of 25°C (78°F). Highs can soar to 32°C (90°F), while lows may dip to 21°C (70°F). Typically, the humidity level in Grand-Santi throughout January hovers around 70%.
Minimum temperature
Average temperature
Maximum temperature
Humidity
In January, Grand-Santi averages 137 mm (5.4 inches) of rainfall, typically over the course of 19 rainy days. The month enjoys an average of 11 hours 53 minutes of daylight, with the sun shining for approximately 7 hours 37 minutes each day. Additionally, there is a 15% probability of sunny days during this period.
Precipitation
Rainy days
Sunshine hours
Chance of sun
In January, the UV Index in Grand-Santi 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 | 3 | 7 | 10 | 13 | 13 | 12 | 8 | 5 | 2 | 1 | 0 |
| Exposure | Low | Moderate | High | VeryHigh | Extreme | VeryHigh | Moderate | Low | |||||
| Time to burn | 45 min | 30 min | 25 min | 15 min | 10 min | 15 min | 30 min | 45 min | |||||