Last updated: March 2, 2024
The weather in Big Sky, United States, during April is characterized by an average temperature of -1°C (30°F). Highs can soar to 12°C (54°F), while lows may dip to -16°C (4°F). Typically, the humidity level in Big Sky throughout April hovers around 83%.
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Average temperature
Maximum temperature
Humidity
In April, Big Sky averages 90 mm (3.6 inches) of rainfall, typically over the course of 16 rainy days. The month enjoys an average of 13 hours 33 minutes of daylight, with the sun shining for approximately 9 hours 10 minutes each day. Additionally, there is a 45% probability of sunny days during this period.
Precipitation
Rainy days
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Chance of sun
In April, the UV Index in Big Sky 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 | 1 | 3 | 4 | 6 | 8 | 9 | 8 | 7 | 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 | ||||||