Last updated: August 23, 2025
In December, the average temperature in Grandvillers, France hovers around 3°C (38°F), with minimums dipping to -7°C (20°F) and maximums reaching 13°C (55°F). Expect a fair amount of precipitation, with approximately 158 mm (6.2 in) spread over 19 rainy days. Coupled with an average humidity of 93%, you'll find this month quite damp, so be sure to prepare accordingly!
In December in Grandvillers, the average temperature is 3°C (38°F). Maximum temperatures can reach 13°C (55°F), while minimums can drop as low as -7°C (20°F). It's advisable to pack warm clothing and be prepared for chilly conditions if you're traveling during this time.
In Grandvillers in December, the total precipitation amount is 158 mm (6.2 in) over the course of 19 days.
In Grandvillers in December, humidity is 93%. With an average temperature of 3°C (38°F), this humidity feels like a thick, chilly fog that clings to your skin, making every step outdoors feel heavier and more exhausting, which can be quite uninviting for travelers.
In Grandvillers in December, the maximum UV index is 1, which corresponds to a low Exposure Category. This means you have a time to burn of 45 minutes. For more details, you can check the Hourly UV Index in Grandvillers.
UV Risk Categories
Weather in Grandvillers varies notably across the year, with each month offering distinct climate conditions. This page compares December’s weather to other months in Grandvillers, focusing on differences in temperature, rainfall, humidity, and UV levels.
| Temperature | Precipitation | Humidity | UV | |
|---|---|---|---|---|
| January Weather | 1°C (34°F) | 124 mm (4.9 inches) | 91% | low |
| February Weather | 4°C (39°F) | 103 mm (4.1 inches) | 90% | moderate |
| March Weather | 6°C (43°F) | 115 mm (4.5 inches) | 88% | moderate |
| April Weather | 9°C (49°F) | 53 mm (2.1 inches) | 84% | high |
| May Weather | 13°C (55°F) | 120 mm (4.7 inches) | 81% | very high |
| June Weather | 18°C (64°F) | 98 mm (3.8 inches) | 82% | very high |
| July Weather | 19°C (67°F) | 71 mm (2.8 inches) | 82% | very high |
| August Weather | 19°C (66°F) | 62 mm (2.4 inches) | 80% | very high |
| September Weather | 15°C (59°F) | 57 mm (2.3 inches) | 83% | high |
| October Weather | 11°C (51°F) | 85 mm (3.3 inches) | 89% | moderate |
| November Weather | 5°C (42°F) | 86 mm (3.4 inches) | 91% | low |
| December Weather | 3°C (38°F) | 158 mm (6.2 inches) | 93% | low |