Last updated: March 2, 2024
The weather in Butte, United States, during August is characterized by an average temperature of 12°C (53°F). Highs can soar to 22°C (72°F), while lows may dip to 3°C (38°F). Typically, the humidity level in Butte throughout August hovers around 100%.
Minimum temperature
Average temperature
Maximum temperature
Humidity
In August, Butte averages 137 mm (5.4 inches) of rainfall, typically over the course of 18 rainy days. The month enjoys an average of 15 hours 42 minutes of daylight, with the sun shining for approximately 8 hours 21 minutes each day. Additionally, there is a 28% probability of sunny days during this period.
Precipitation
Rainy days
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Chance of sun
In August, the UV Index in Butte reaches a maximum of 5, indicating a level of Moderate exposure. The most intense UV radiation typically occurs between 13:00 and 15:00, during which unprotected skin may burn in as little as 30 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 | 2 | 2 | 3 | 4 | 5 | 5 | 5 | 4 | 3 | 2 | 1 |
| Exposure | Low | Moderate | Low | ||||||||||
| Time to burn | 45 min | 30 min | 45 min | ||||||||||