Last updated: March 2, 2024
The weather in St. Thomas, Canada, during January is characterized by an average temperature of -3°C (27°F). Highs can soar to 8°C (47°F), while lows may dip to -16°C (3°F). Typically, the humidity level in St. Thomas throughout January hovers around 90%.
Minimum temperature
Average temperature
Maximum temperature
Humidity
In January, St. Thomas averages 76 mm (3.0 inches) of rainfall, typically over the course of 11 rainy days. The month enjoys an average of 9 hours 26 minutes of daylight, with the sun shining for approximately 3 hours 17 minutes each day. Additionally, there is a 13% probability of sunny days during this period.
Precipitation
Rainy days
Sunshine hours
Chance of sun
In January, the UV Index in St. Thomas reaches a maximum of 3, indicating a level of Moderate exposure. The most intense UV radiation typically occurs between 12:00 and 14:00, during which unprotected skin may burn in as little as 30 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 | 2 | 2 | 3 | 3 | 2 | 2 | 1 | 1 | 0 | 0 |
| Exposure | Low | Moderate | Low | ||||||||||
| Time to burn | 45 min | 30 min | 45 min | ||||||||||