Last updated: March 2, 2024
The weather in Grande-Synthe, France, during October is characterized by an average temperature of 13°C (56°F). Highs can soar to 22°C (72°F), while lows may dip to 6°C (43°F). Typically, the humidity level in Grande-Synthe throughout October hovers around 89%.
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Average temperature
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Humidity
In October, Grande-Synthe averages 80 mm (3.2 inches) of rainfall, typically over the course of 13 rainy days. The month enjoys an average of 10 hours 38 minutes of daylight, with the sun shining for approximately 8 hours 4 minutes each day. Additionally, there is a 31% probability of sunny days during this period.
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Chance of sun
In October, the UV Index in Grande-Synthe reaches a maximum of 4, indicating a level of Moderate exposure. The most intense UV radiation typically occurs between 13:00 and 15:00, during which unprotected skin may burn in as little as 30 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 | 1 | 2 | 3 | 4 | 4 | 3 | 2 | 1 | 1 | 1 |
| Exposure | Low | Moderate | Low | ||||||||||
| Time to burn | 45 min | 30 min | 45 min | ||||||||||