Last updated: March 2, 2024
The weather in St Martin, Guernsey, during January is characterized by an average temperature of 9°C (49°F). Highs can soar to 13°C (55°F), while lows may dip to 5°C (41°F). Typically, the humidity level in St Martin throughout January hovers around 89%.
Minimum temperature
Average temperature
Maximum temperature
Humidity
In January, St Martin averages 94 mm (3.7 inches) of rainfall, typically over the course of 14 rainy days. The month enjoys an average of 8 hours 41 minutes of daylight, with the sun shining for approximately 3 hours 26 minutes each day. Additionally, there is a 21% probability of sunny days during this period.
Precipitation
Rainy days
Sunshine hours
Chance of sun
In January, the UV Index in St Martin reaches a maximum of 2, indicating a level of Low exposure. The most intense UV radiation typically occurs between 12:00 and 14:00, during which unprotected skin may burn in as little as 45 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 | 0 | 1 | 1 | 1 | 1 | 2 | 2 | 1 | 1 | 1 | 0 | 0 | 0 |
| Exposure | Low | ||||||||||||
| Time to burn | 45 min | ||||||||||||