Last updated: August 23, 2025
In December, the average temperature in Saint-Bonnet-en-Champsaur, France hovers around -2°C (28°F), with a significant range where temperatures can dip as low as -16°C (3°F) and peak at 9°C (48°F). Expect a fair amount of precipitation, totaling around 200 mm (7.9 in) over the course of 16 days, and prepare for a high average humidity of 90%, making for a chilly and damp atmosphere.
In December in Saint-Bonnet-en-Champsaur, the average temperature is -2°C (28°F), with maximums reaching 9°C (48°F) and minimums dropping as low as -16°C (3°F). Travelers should be prepared for cold weather and dress warmly during their visit.
In Saint-Bonnet-en-Champsaur in December, the precipitation amount reaches 200 mm (7.9 in) over the course of 16 days.
In Saint-Bonnet-en-Champsaur in December humidity is 90%. With an average temperature of -2°C (28°F), this humidity feels like stepping into a frosty haze that clings to your skin, making every breath feel chilled and heavy, while your body battles the dampness in the air—a stark reminder of how difficult it can be to travel comfortably in such conditions.
In Saint-Bonnet-en-Champsaur 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 Saint-Bonnet-en-Champsaur, you can visit Hourly UV Index in Saint-Bonnet-en-Champsaur.
UV Risk Categories
Weather in Saint-Bonnet-en-Champsaur varies notably across the year, with each month offering distinct climate conditions. This page compares December’s weather to other months in Saint-Bonnet-en-Champsaur, focusing on differences in temperature, rainfall, humidity, and UV levels.
| Temperature | Precipitation | Humidity | UV | |
|---|---|---|---|---|
| January Weather | -3°C (26°F) | 86 mm (3.4 inches) | 91% | moderate |
| February Weather | 0°C (32°F) | 77 mm (3.0 inches) | 87% | moderate |
| March Weather | 2°C (35°F) | 122 mm (4.8 inches) | 84% | high |
| April Weather | 5°C (41°F) | 87 mm (3.4 inches) | 83% | very high |
| May Weather | 9°C (49°F) | 147 mm (5.8 inches) | 78% | very high |
| June Weather | 14°C (58°F) | 95 mm (3.7 inches) | 75% | extreme |
| July Weather | 16°C (62°F) | 50 mm (2.0 inches) | 72% | very high |
| August Weather | 16°C (62°F) | 68 mm (2.7 inches) | 63% | very high |
| September Weather | 12°C (54°F) | 52 mm (2.1 inches) | 73% | very high |
| October Weather | 8°C (46°F) | 106 mm (4.2 inches) | 89% | moderate |
| November Weather | 2°C (35°F) | 112 mm (4.4 inches) | 90% | moderate |
| December Weather | -2°C (28°F) | 200 mm (7.9 inches) | 90% | low |