Last updated: March 2, 2024
The weather in Chamonix-Mont-Blanc, France, during July is characterized by an average temperature of 14°C (57°F). Highs can soar to 24°C (76°F), while lows may dip to 4°C (39°F). Typically, the humidity level in Chamonix-Mont-Blanc throughout July hovers around 72%.
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Humidity
In July, Chamonix-Mont-Blanc averages 162 mm (6.4 inches) of rainfall, typically over the course of 18 rainy days. The month enjoys an average of 15 hours 17 minutes of daylight, with the sun shining for approximately 13 hours 36 minutes each day. Additionally, there is a 33% probability of sunny days during this period.
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In July, the UV Index in Chamonix-Mont-Blanc 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 | 10 | 9 | 7 | 5 | 3 | 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 | ||||||