Last updated: August 23, 2025
In December, the average temperature in Genlis, France hovers around 5°C (41°F). Be prepared for a chilly range, as temperatures can drop to a brisk -5°C (23°F) or rise to a mild 15°C (60°F). With an average precipitation of 134 mm (5.3 in) spread over 18 days, and an average humidity of 91%, expect a damp and cool environment as winter settles in.
In December in Genlis, the average temperature is 5°C (41°F). Maximum temperatures can reach 15°C (60°F), while minimums can drop to as low as -5°C (23°F). Be prepared for varying temperatures and pack accordingly for your trip!
In Genlis in December, the precipitation amount is 134 mm (5.3 in) over the course of 18 days.
In Genlis in December humidity is 91%. With an average temperature of 5°C (41°F), this humidity feels like a damp chill that seeps into your bones, making traveling outdoors a rather uncomfortable experience unless you're dressed warmly and prepared for the moist air that clings to your skin.
In Genlis 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 Genlis.
UV Risk Categories
Weather in Genlis varies notably across the year, with each month offering distinct climate conditions. This page compares December’s weather to other months in Genlis, focusing on differences in temperature, rainfall, humidity, and UV levels.
| Temperature | Precipitation | Humidity | UV | |
|---|---|---|---|---|
| January Weather | 3°C (38°F) | 76 mm (3.0 inches) | 91% | low |
| February Weather | 6°C (42°F) | 67 mm (2.7 inches) | 89% | moderate |
| March Weather | 8°C (47°F) | 83 mm (3.3 inches) | 87% | moderate |
| April Weather | 11°C (53°F) | 51 mm (2.0 inches) | 84% | high |
| May Weather | 15°C (59°F) | 102 mm (4.0 inches) | 80% | very high |
| June Weather | 20°C (68°F) | 81 mm (3.2 inches) | 82% | very high |
| July Weather | 22°C (72°F) | 64 mm (2.5 inches) | 82% | very high |
| August Weather | 21°C (71°F) | 57 mm (2.2 inches) | 77% | very high |
| September Weather | 17°C (64°F) | 51 mm (2.0 inches) | 81% | high |
| October Weather | 12°C (55°F) | 81 mm (3.2 inches) | 89% | moderate |
| November Weather | 7°C (45°F) | 80 mm (3.2 inches) | 89% | low |
| December Weather | 5°C (41°F) | 134 mm (5.3 inches) | 91% | low |