Last updated: August 23, 2025
In December, the average temperature in Saint-Michel-l'Observatoire, France is a brisk 4°C (40°F), with temperatures ranging from a chilly minimum of -5°C (24°F) to a comfortable maximum of 16°C (60°F). This month sees an average precipitation of 114 mm (4.5 in) spread over 11 days, accompanied by a high humidity level of 79%. Prepare for a mix of cool days and occasional rain!
In December in Saint-Michel-l'Observatoire, the average temperature is 4°C (40°F). Maximums can reach 16°C (60°F), while minimums can be as low as -5°C (24°F). Travelers should be prepared for a chilly climate, with the possibility of mild days and cold nights during this time.
In Saint-Michel-l'Observatoire in December, the total precipitation amount is 114 mm (4.5 in) spread over 11 days.
In Saint-Michel-l'Observatoire in December, humidity is 79%. With an average temperature of 4°C (40°F), this humidity feels like a chilly dampness that wraps around you, making outdoor activities uncomfortable and leaving you longing for warmth as your breath hangs in the air.
In Saint-Michel-l'Observatoire 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-Michel-l'Observatoire, you can visit Hourly UV Index in Saint-Michel-l'Observatoire.
UV Risk Categories
Weather in Saint-Michel-l'Observatoire varies notably across the year, with each month offering distinct climate conditions. This page compares December’s weather to other months in Saint-Michel-l'Observatoire, focusing on differences in temperature, rainfall, humidity, and UV levels.
| Temperature | Precipitation | Humidity | UV | |
|---|---|---|---|---|
| January Weather | 3°C (38°F) | 41 mm (1.6 inches) | 80% | low |
| February Weather | 6°C (43°F) | 51 mm (2.0 inches) | 73% | moderate |
| March Weather | 8°C (46°F) | 84 mm (3.3 inches) | 71% | high |
| April Weather | 11°C (51°F) | 89 mm (3.5 inches) | 75% | high |
| May Weather | 15°C (58°F) | 116 mm (4.6 inches) | 74% | very high |
| June Weather | 19°C (67°F) | 62 mm (2.5 inches) | 72% | very high |
| July Weather | 22°C (72°F) | 30 mm (1.2 inches) | 69% | very high |
| August Weather | 22°C (71°F) | 42 mm (1.7 inches) | 66% | very high |
| September Weather | 17°C (63°F) | 53 mm (2.1 inches) | 71% | high |
| October Weather | 13°C (55°F) | 106 mm (4.2 inches) | 78% | moderate |
| November Weather | 7°C (45°F) | 115 mm (4.5 inches) | 82% | moderate |
| December Weather | 4°C (40°F) | 114 mm (4.5 inches) | 79% | low |