Last updated: March 2, 2024
The weather in Mattawa, Canada, during May is characterized by an average temperature of 11°C (53°F). Highs can soar to 30°C (86°F), while lows may dip to -4°C (26°F). Typically, the humidity level in Mattawa throughout May hovers around 74%.
Minimum temperature
Average temperature
Maximum temperature
Humidity
In May, Mattawa averages 103 mm (4.1 inches) of rainfall, typically over the course of 11 rainy days. The month enjoys an average of 15 hours 0 minutes of daylight, with the sun shining for approximately 8 hours 48 minutes each day. Additionally, there is a 46% probability of sunny days during this period.
Precipitation
Rainy days
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Chance of sun
In May, the UV Index in Mattawa reaches a maximum of 9, indicating a level of VeryHigh exposure. The most intense UV radiation typically occurs between 13:00 and 15:00, during which unprotected skin may burn in as little as 15 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 | 1 | 2 | 3 | 5 | 7 | 8 | 9 | 9 | 7 | 5 | 3 | 2 | 1 |
| Exposure | Low | Moderate | High | VeryHigh | High | Moderate | Low | ||||||
| Time to burn | 45 min | 30 min | 25 min | 15 min | 25 min | 30 min | 45 min | ||||||