Last updated: August 23, 2025
In December, the average temperature in Saint-Pierre-de-Chartreuse, France hovers around 1°C (33°F). Expect chilly conditions, with minimums dipping to -15°C (6°F) and maximums reaching 12°C (54°F). Prepare for a damp experience, as precipitation totals 229 mm (9.0 in) over approximately 18 days, coupled with an average humidity level of a crisp 90%.
In December in Saint-Pierre-de-Chartreuse, the average temperature is 1°C (33°F). The maximum can reach 12°C (54°F) and the minimum can be as low as -15°C (6°F). Be prepared for chilly weather and pack accordingly if you're planning to travel during this time.
In Saint-Pierre-de-Chartreuse in December, the precipitation amount is 229 mm (9.0 in) over the course of 18 days.
In Saint-Pierre-de-Chartreuse in December humidity is 90%. With an average temperature of 1°C (33°F), this humidity feels like a bone-chilling dampness that seeps into your clothes, making every step outside feel heavy and uncomfortable for traveling.
In Saint-Pierre-de-Chartreuse 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-Pierre-de-Chartreuse, you can visit Hourly UV Index in Saint-Pierre-de-Chartreuse.
UV Risk Categories
Weather in Saint-Pierre-de-Chartreuse varies notably across the year, with each month offering distinct climate conditions. This page compares December’s weather to other months in Saint-Pierre-de-Chartreuse, focusing on differences in temperature, rainfall, humidity, and UV levels.
| Temperature | Precipitation | Humidity | UV | |
|---|---|---|---|---|
| January Weather | -1°C (31°F) | 118 mm (4.6 inches) | 91% | low |
| February Weather | 3°C (37°F) | 107 mm (4.2 inches) | 87% | moderate |
| March Weather | 5°C (41°F) | 134 mm (5.3 inches) | 84% | high |
| April Weather | 8°C (47°F) | 82 mm (3.2 inches) | 83% | high |
| May Weather | 12°C (53°F) | 174 mm (6.9 inches) | 78% | very high |
| June Weather | 17°C (62°F) | 149 mm (5.9 inches) | 75% | very high |
| July Weather | 18°C (66°F) | 110 mm (4.3 inches) | 72% | very high |
| August Weather | 18°C (65°F) | 103 mm (4.1 inches) | 63% | very high |
| September Weather | 14°C (58°F) | 81 mm (3.2 inches) | 73% | high |
| October Weather | 10°C (50°F) | 120 mm (4.7 inches) | 89% | moderate |
| November Weather | 4°C (39°F) | 119 mm (4.7 inches) | 90% | moderate |
| December Weather | 1°C (33°F) | 229 mm (9.0 inches) | 90% | low |