Last updated: August 23, 2025
In December, the average temperature in Saint-Germain-l'Herm, France hovers around 4°C (39°F), with a minimum drop to -5°C (23°F) and a pleasant maximum of 14°C (57°F). Expect an average of 103 mm (4.1 in) of precipitation spread across 18 days, contributing to a notably high average humidity of 92%.
In December in Saint-Germain-l'Herm, the average temperature is 4°C (39°F). The maximum can reach 14°C (57°F), and the minimum can be as low as -5°C (23°F). It's a good idea to pack warm layers and prepare for varying weather conditions while traveling to Saint-Germain-l'Herm.
In Saint-Germain-l'Herm in December, the precipitation amount is 103 mm (4.1 in) distributed over 18 days.
In Saint-Germain-l'Herm 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 Saint-Germain-l'Herm 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-Germain-l'Herm, you can visit Hourly UV Index in Saint-Germain-l'Herm.
UV Risk Categories
Weather in Saint-Germain-l'Herm varies notably across the year, with each month offering distinct climate conditions. This page compares December’s weather to other months in Saint-Germain-l'Herm, focusing on differences in temperature, rainfall, humidity, and UV levels.
| Temperature | Precipitation | Humidity | UV | |
|---|---|---|---|---|
| January Weather | 2°C (35°F) | 67 mm (2.6 inches) | 91% | low |
| February Weather | 4°C (40°F) | 53 mm (2.1 inches) | 88% | moderate |
| March Weather | 6°C (43°F) | 69 mm (2.7 inches) | 84% | high |
| April Weather | 9°C (49°F) | 65 mm (2.6 inches) | 81% | high |
| May Weather | 13°C (55°F) | 98 mm (3.9 inches) | 77% | very high |
| June Weather | 17°C (64°F) | 108 mm (4.3 inches) | 76% | very high |
| July Weather | 19°C (67°F) | 67 mm (2.6 inches) | 68% | very high |
| August Weather | 19°C (67°F) | 67 mm (2.6 inches) | 61% | very high |
| September Weather | 15°C (60°F) | 56 mm (2.2 inches) | 72% | high |
| October Weather | 11°C (52°F) | 70 mm (2.8 inches) | 88% | moderate |
| November Weather | 6°C (42°F) | 78 mm (3.1 inches) | 91% | moderate |
| December Weather | 4°C (39°F) | 103 mm (4.1 inches) | 92% | low |