Last updated: March 2, 2024
The weather in Bismarck, United States, during August is characterized by an average temperature of 24°C (76°F). Highs can soar to 34°C (94°F), while lows may dip to 14°C (58°F). Typically, the humidity level in Bismarck throughout August hovers around 69%.
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Average temperature
Maximum temperature
Humidity
In August, Bismarck averages 119 mm (4.7 inches) of rainfall, typically over the course of 13 rainy days. The month enjoys an average of 13 hours 32 minutes of daylight, with the sun shining for approximately 10 hours 26 minutes each day. Additionally, there is a 47% probability of sunny days during this period.
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Chance of sun
In August, the UV Index in Bismarck 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 | 2 | 3 | 5 | 7 | 9 | 10 | 9 | 7 | 5 | 3 | 1 | 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 | ||||||