Last updated: March 2, 2024
The weather in Big Sky, United States, during October is characterized by an average temperature of -1°C (31°F). Highs can soar to 15°C (60°F), while lows may dip to -19°C (-2°F). Typically, the humidity level in Big Sky throughout October hovers around 72%.
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Average temperature
Maximum temperature
Humidity
In October, Big Sky averages 77 mm (3.0 inches) of rainfall, typically over the course of 14 rainy days. The month enjoys an average of 10 hours 53 minutes of daylight, with the sun shining for approximately 7 hours 54 minutes each day. Additionally, there is a 42% probability of sunny days during this period.
Precipitation
Rainy days
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Chance of sun
In October, the UV Index in Big Sky reaches a maximum of 6, indicating a level of High exposure. The most intense UV radiation typically occurs between 13:00 and 15:00, during which unprotected skin may burn in as little as 25 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 | 0 | 1 | 1 | 2 | 4 | 5 | 6 | 5 | 4 | 3 | 1 | 1 | 0 |
| Exposure | Low | Moderate | High | Moderate | Low | ||||||||
| Time to burn | 45 min | 30 min | 25 min | 30 min | 45 min | ||||||||