Last updated: March 2, 2024
The weather in St. Catharines, Canada, during January is characterized by an average temperature of -2°C (29°F). Highs can soar to 9°C (49°F), while lows may dip to -14°C (8°F). Typically, the humidity level in St. Catharines throughout January hovers around 91%.
Minimum temperature
Average temperature
Maximum temperature
Humidity
In January, St. Catharines averages 77 mm (3.0 inches) of rainfall, typically over the course of 10 rainy days. The month enjoys an average of 9 hours 23 minutes of daylight, with the sun shining for approximately 3 hours 28 minutes each day. Additionally, there is a 14% probability of sunny days during this period.
Precipitation
Rainy days
Sunshine hours
Chance of sun
In January, the UV Index in St. Catharines reaches a maximum of 2, indicating a level of Low exposure. The most intense UV radiation typically occurs between 11:00 and 13:00, 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 | 2 | 2 | 2 | 2 | 1 | 1 | 1 | 0 | 0 |
| Exposure | Low | ||||||||||||
| Time to burn | 45 min | ||||||||||||