Last updated: March 2, 2024
The weather in Waterloo, Canada, during January is characterized by an average temperature of -5°C (23°F). Highs can soar to 8°C (47°F), while lows may dip to -22°C (-7°F). Typically, the humidity level in Waterloo throughout January hovers around 90%.
Minimum temperature
Average temperature
Maximum temperature
Humidity
In January, Waterloo averages 73 mm (2.9 inches) of rainfall, typically over the course of 10 rainy days. The month enjoys an average of 9 hours 21 minutes of daylight, with the sun shining for approximately 3 hours 16 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 Waterloo 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 | ||||||||||||