Last updated: August 23, 2025
In December, the average temperature in Billy-sur-Aisne, France hovers around 6°C (42°F). Expect a chill in the air with minimum temperatures dipping to -4°C (25°F), while highs can reach up to 15°C (60°F). This month typically sees about 113 mm (4.4 in) of precipitation spread over 16 days, contributing to a high average humidity of 93%, perfect for cozy indoor activities!
In December in Billy-sur-Aisne, the average temperature is 6°C (42°F). Maximum temperatures can reach 15°C (60°F), while minimums can drop to as low as -4°C (25°F). Therefore, it's advisable to pack layers and prepare for chilly and potentially variable weather conditions during your travels.
In Billy-sur-Aisne in December, the precipitation amount is 113 mm (4.4 in) spread over 16 days.
In Billy-sur-Aisne in December, humidity is 93%. With an average temperature of 6°C (42°F), this humidity feels like a damp chill that seeps into your bones, making outdoor activities uncomfortable and necessitating extra layers to stay warm and dry while traveling.
In Billy-sur-Aisne 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 Billy-sur-Aisne.
UV Risk Categories
Weather in Billy-sur-Aisne varies notably across the year, with each month offering distinct climate conditions. This page compares December’s weather to other months in Billy-sur-Aisne, focusing on differences in temperature, rainfall, humidity, and UV levels.
| Temperature | Precipitation | Humidity | UV | |
|---|---|---|---|---|
| January Weather | 4°C (39°F) | 71 mm (2.8 inches) | 91% | low |
| February Weather | 6°C (42°F) | 74 mm (2.9 inches) | 89% | moderate |
| March Weather | 8°C (46°F) | 72 mm (2.8 inches) | 86% | moderate |
| April Weather | 11°C (51°F) | 37 mm (1.5 inches) | 84% | high |
| May Weather | 14°C (58°F) | 64 mm (2.5 inches) | 82% | very high |
| June Weather | 19°C (66°F) | 65 mm (2.5 inches) | 82% | very high |
| July Weather | 20°C (69°F) | 57 mm (2.2 inches) | 80% | very high |
| August Weather | 20°C (68°F) | 66 mm (2.6 inches) | 76% | very high |
| September Weather | 16°C (62°F) | 57 mm (2.2 inches) | 81% | high |
| October Weather | 12°C (54°F) | 83 mm (3.3 inches) | 88% | moderate |
| November Weather | 7°C (45°F) | 70 mm (2.7 inches) | 92% | low |
| December Weather | 6°C (42°F) | 113 mm (4.4 inches) | 93% | low |