Last updated: March 2, 2024
The weather in Granite Falls, United States, during May is characterized by an average temperature of 20°C (68°F). Highs can soar to 32°C (89°F), while lows may dip to 5°C (41°F). Typically, the humidity level in Granite Falls throughout May hovers around 83%.
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Average temperature
Maximum temperature
Humidity
In May, Granite Falls averages 130 mm (5.1 inches) of rainfall, typically over the course of 12 rainy days. The month enjoys an average of 14 hours 3 minutes of daylight, with the sun shining for approximately 9 hours 42 minutes each day. Additionally, there is a 37% probability of sunny days during this period.
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Chance of sun
In May, the UV Index in Granite Falls reaches a maximum of 10, indicating a level of VeryHigh exposure. The most intense UV radiation typically occurs between 12:00 and 14:00, 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 | 1 | 3 | 5 | 8 | 10 | 10 | 10 | 9 | 6 | 4 | 2 | 1 |
| Exposure | Low | Moderate | VeryHigh | High | Moderate | Low | |||||||
| Time to burn | 45 min | 30 min | 15 min | 25 min | 30 min | 45 min | |||||||