Last updated: August 23, 2025
In December, the average temperature in Chatillon-sur-Seine, France hovers around 5°C (41°F). Expect a chilly climate, with minimum temperatures dipping as low as -4°C (25°F) and maximums reaching up to 15°C (60°F). Be prepared for some wet days, as precipitation amounts to 143 mm (5.6 in) spread over 19 days, contributing to a high average humidity of 93%.
In December, in Chatillon-sur-Seine, the average temperature is 5°C (41°F). The maximum can reach 15°C (60°F), and the minimum can be as low as -4°C (25°F). Be sure to pack layers and warm clothing for your travels to Chatillon-sur-Seine during this time.
In Chatillon-sur-Seine in December, the total precipitation amount is 143 mm (5.6 in) spread over 19 days.
In Chatillon-sur-Seine in December, humidity is 93%. With an average temperature of 5°C (41°F), this humidity feels like a damp chill that clings to your skin, making outdoor adventures feel more uncomfortable and reminding you to bundle up to stay warm while exploring the sights.
In Chatillon-sur-Seine 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 Chatillon-sur-Seine.
UV Risk Categories
Weather in Chatillon-sur-Seine varies notably across the year, with each month offering distinct climate conditions. This page compares December’s weather to other months in Chatillon-sur-Seine, focusing on differences in temperature, rainfall, humidity, and UV levels.
| Temperature | Precipitation | Humidity | UV | |
|---|---|---|---|---|
| January Weather | 3°C (38°F) | 93 mm (3.6 inches) | 91% | low |
| February Weather | 5°C (42°F) | 78 mm (3.1 inches) | 89% | moderate |
| March Weather | 7°C (46°F) | 88 mm (3.5 inches) | 86% | moderate |
| April Weather | 11°C (52°F) | 39 mm (1.6 inches) | 84% | high |
| May Weather | 14°C (57°F) | 85 mm (3.4 inches) | 82% | very high |
| June Weather | 19°C (66°F) | 77 mm (3.0 inches) | 82% | very high |
| July Weather | 20°C (69°F) | 61 mm (2.4 inches) | 79% | very high |
| August Weather | 20°C (68°F) | 48 mm (1.9 inches) | 72% | very high |
| September Weather | 16°C (62°F) | 55 mm (2.2 inches) | 78% | high |
| October Weather | 12°C (54°F) | 81 mm (3.2 inches) | 88% | moderate |
| November Weather | 7°C (44°F) | 77 mm (3.0 inches) | 91% | low |
| December Weather | 5°C (41°F) | 143 mm (5.6 inches) | 93% | low |