Last updated: March 2, 2024
The weather in Big Sky, United States, during August is characterized by an average temperature of 14°C (58°F). Highs can soar to 27°C (81°F), while lows may dip to 1°C (34°F). Typically, the humidity level in Big Sky throughout August hovers around 69%.
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Average temperature
Maximum temperature
Humidity
In August, Big Sky averages 56 mm (2.2 inches) of rainfall, typically over the course of 11 rainy days. The month enjoys an average of 13 hours 59 minutes of daylight, with the sun shining for approximately 11 hours 16 minutes each day. Additionally, there is a 55% probability of sunny days during this period.
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Chance of sun
In August, the UV Index in Big Sky reaches a maximum of 10, 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 | 1 | 3 | 5 | 7 | 9 | 10 | 10 | 9 | 6 | 4 | 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 | ||||||