Last updated: August 23, 2025
In January, the average temperature in Saint-Jean-Saint-Germain, France hovers around 5°C (41°F), with a minimum drop to -7°C (19°F) and a maximum reaching up to 16°C (61°F). Expect 59 mm (2.3 in) of precipitation spread over 10 days, contributing to an average humidity of 90%. Stay prepared for cool, damp weather!
In January in Saint-Jean-Saint-Germain, the average temperature is 5°C (41°F). The maximum can reach 16°C (61°F), and the minimum can be as low as -7°C (19°F). Be prepared for chilly weather and pack accordingly if you're planning to visit during this month.
In Saint-Jean-Saint-Germain in January, the precipitation amount is 59 mm (2.3 in) over the course of 10 days.
In Saint-Jean-Saint-Germain in January, humidity is 90%. With an average temperature of 5°C (41°F), this humidity feels like a damp chill that clings to your skin, making travel feel more strenuous as you navigate the cold air mixed with moisture, potentially leaving you feeling sluggish and uncomfortable.
In Saint-Jean-Saint-Germain in January, 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-Jean-Saint-Germain, you can visit Hourly UV Index in Saint-Jean-Saint-Germain.
UV Risk Categories
Weather in Saint-Jean-Saint-Germain varies notably across the year, with each month offering distinct climate conditions. This page compares January’s weather to other months in Saint-Jean-Saint-Germain, focusing on differences in temperature, rainfall, humidity, and UV levels.
| Temperature | Precipitation | Humidity | UV | |
|---|---|---|---|---|
| January Weather | 5°C (41°F) | 59 mm (2.3 inches) | 90% | low |
| February Weather | 7°C (45°F) | 66 mm (2.6 inches) | 88% | moderate |
| March Weather | 9°C (49°F) | 71 mm (2.8 inches) | 85% | moderate |
| April Weather | 12°C (54°F) | 49 mm (1.9 inches) | 83% | high |
| May Weather | 15°C (60°F) | 83 mm (3.3 inches) | 83% | very high |
| June Weather | 19°C (67°F) | 79 mm (3.1 inches) | 79% | very high |
| July Weather | 22°C (71°F) | 33 mm (1.3 inches) | 71% | very high |
| August Weather | 21°C (70°F) | 31 mm (1.2 inches) | 68% | very high |
| September Weather | 18°C (65°F) | 38 mm (1.5 inches) | 76% | high |
| October Weather | 13°C (56°F) | 79 mm (3.1 inches) | 87% | moderate |
| November Weather | 8°C (47°F) | 71 mm (2.8 inches) | 91% | low |
| December Weather | 7°C (44°F) | 98 mm (3.9 inches) | 93% | low |