Last updated: March 2, 2024
The weather in Grand Forks, Canada, during May is characterized by an average temperature of 12°C (53°F). Highs can soar to 26°C (78°F), while lows may dip to -1°C (31°F). Typically, the humidity level in Grand Forks throughout May hovers around 82%.
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Average temperature
Maximum temperature
Humidity
In May, Grand Forks averages 66 mm (2.6 inches) of rainfall, typically over the course of 10 rainy days. The month enjoys an average of 15 hours 19 minutes of daylight, with the sun shining for approximately 10 hours 20 minutes each day. Additionally, there is a 47% probability of sunny days during this period.
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Chance of sun
In May, the UV Index in Grand Forks 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 | 4 | 6 | 7 | 8 | 9 | 8 | 6 | 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 | ||||||