Last updated: March 2, 2024
The weather in Mattawa, Canada, during December is characterized by an average temperature of -7°C (19°F). Highs can soar to 7°C (46°F), while lows may dip to -26°C (-14°F). Typically, the humidity level in Mattawa throughout December hovers around 94%.
Minimum temperature
Average temperature
Maximum temperature
Humidity
In December, Mattawa averages 76 mm (3.0 inches) of rainfall, typically over the course of 14 rainy days. The month enjoys an average of 8 hours 39 minutes of daylight, with the sun shining for approximately 3 hours 42 minutes each day. Additionally, there is a 17% probability of sunny days during this period.
Precipitation
Rainy days
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Chance of sun
In December, the UV Index in Mattawa 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 | ||||||||||||