Last updated: March 2, 2024
The weather in Rochefort-en-Yvelines, France, during December is characterized by an average temperature of 6°C (43°F). Highs can soar to 15°C (59°F), while lows may dip to -3°C (27°F). Typically, the humidity level in Rochefort-en-Yvelines throughout December hovers around 93%.
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Average temperature
Maximum temperature
Humidity
In December, Rochefort-en-Yvelines averages 94 mm (3.7 inches) of rainfall, typically over the course of 17 rainy days. The month enjoys an average of 8 hours 21 minutes of daylight, with the sun shining for approximately 5 hours 20 minutes each day. Additionally, there is a 25% probability of sunny days during this period.
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Chance of sun
In December, the UV Index in Rochefort-en-Yvelines reaches a maximum of 1, indicating a level of Low exposure. The most intense UV radiation typically occurs between 09:00 and 11:00, during which unprotected skin may burn in as little as 45 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 | 0 | 1 | 1 | 1 | 1 | 1 | 1 | 1 | 1 | 0 | 0 | 0 |
| Exposure | Low | ||||||||||||
| Time to burn | 45 min | ||||||||||||