Last updated: August 23, 2025
In December, the average temperature in Boen-sur-Lignon, France hovers around 4°C (39°F). You'll find the temperature can dip as low as -5°C (24°F) or rise to a pleasant 15°C (59°F). This month also brings significant precipitation, totaling 109 mm (4.3 in) over approximately 18 days, contributing to an overall average humidity of a striking 92%. Be prepared for a chilly, wet experience!
In December in Boen-sur-Lignon, the average temperature is 4°C (39°F). The maximum can reach 15°C (59°F), while the minimum can drop as low as -5°C (24°F). Be sure to pack layers and warm clothing for your travels, as temperatures can vary significantly throughout the day.
In Boen-sur-Lignon in December, the total precipitation amount is 109 mm (4.3 in) spread over 18 days.
In Boen-sur-Lignon in December humidity is 92%. With an average temperature of 4°C (39°F), this humidity feels like a damp chill that seeps into your bones, making outdoor activities less enjoyable and travel feel burdensome as you navigate through the thick, muggy air.
In Boen-sur-Lignon in December, the maximum UV index is 2, which corresponds to a low exposure category. With this level of UV radiation, the time to burn is approximately 45 minutes. To learn more about the hourly UV index in Boen-sur-Lignon, you can visit Hourly UV Index in Boen-sur-Lignon.
UV Risk Categories
Weather in Boen-sur-Lignon varies notably across the year, with each month offering distinct climate conditions. This page compares December’s weather to other months in Boen-sur-Lignon, focusing on differences in temperature, rainfall, humidity, and UV levels.
| Temperature | Precipitation | Humidity | UV | |
|---|---|---|---|---|
| January Weather | 2°C (36°F) | 67 mm (2.6 inches) | 91% | low |
| February Weather | 5°C (41°F) | 51 mm (2.0 inches) | 88% | moderate |
| March Weather | 7°C (45°F) | 67 mm (2.7 inches) | 84% | high |
| April Weather | 10°C (50°F) | 63 mm (2.5 inches) | 81% | high |
| May Weather | 14°C (57°F) | 107 mm (4.2 inches) | 77% | very high |
| June Weather | 18°C (65°F) | 99 mm (3.9 inches) | 76% | very high |
| July Weather | 20°C (69°F) | 81 mm (3.2 inches) | 68% | very high |
| August Weather | 20°C (68°F) | 73 mm (2.9 inches) | 61% | very high |
| September Weather | 16°C (61°F) | 60 mm (2.4 inches) | 72% | high |
| October Weather | 11°C (53°F) | 81 mm (3.2 inches) | 88% | moderate |
| November Weather | 6°C (43°F) | 77 mm (3.0 inches) | 91% | moderate |
| December Weather | 4°C (39°F) | 109 mm (4.3 inches) | 92% | low |