Last updated: August 23, 2025
In Mers-les-Bains, France, the average temperature in January hovers around 5°C (41°F). Expect chilly conditions, with temperatures dipping to a minimum of -6°C (22°F) and peaking at a comfortable 15°C (59°F). Be prepared for precipitation totaling 67 mm (2.7 in) over approximately 11 days, and don’t forget the average humidity level of a damp 91%, which can make it feel even cooler.
In January in Mers-les-Bains, the average temperature is 5°C (41°F). Maximums can reach 15°C (59°F), and minimums can be as low as -6°C (22°F). Travelers should prepare for chilly conditions and pack layers to stay comfortable throughout the day.
In Mers-les-Bains in January, the total precipitation amount is 67 mm (2.7 in) spread over a duration of 11 days.
In Mers-les-Bains in January humidity is 91%. With an average temperature of 5°C (41°F), this humidity feels like a damp chill that seeps into your bones, making traveling outdoors a rather uncomfortable experience unless you're dressed warmly and prepared for the moist air that clings to your skin.
In Mers-les-Bains 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 Mers-les-Bains, you can visit Hourly UV Index in Mers-les-Bains.
UV Risk Categories
Weather in Mers-les-Bains varies notably across the year, with each month offering distinct climate conditions. This page compares January’s weather to other months in Mers-les-Bains, focusing on differences in temperature, rainfall, humidity, and UV levels.
| Temperature | Precipitation | Humidity | UV | |
|---|---|---|---|---|
| January Weather | 5°C (41°F) | 67 mm (2.7 inches) | 91% | low |
| February Weather | 6°C (43°F) | 66 mm (2.6 inches) | 89% | moderate |
| March Weather | 8°C (46°F) | 78 mm (3.1 inches) | 85% | moderate |
| April Weather | 10°C (51°F) | 36 mm (1.4 inches) | 84% | high |
| May Weather | 13°C (56°F) | 84 mm (3.3 inches) | 82% | high |
| June Weather | 17°C (63°F) | 75 mm (2.9 inches) | 80% | very high |
| July Weather | 19°C (66°F) | 52 mm (2.1 inches) | 73% | very high |
| August Weather | 18°C (65°F) | 81 mm (3.2 inches) | 68% | very high |
| September Weather | 16°C (61°F) | 57 mm (2.2 inches) | 76% | moderate |
| October Weather | 13°C (55°F) | 90 mm (3.5 inches) | 88% | moderate |
| November Weather | 8°C (47°F) | 79 mm (3.1 inches) | 92% | low |
| December Weather | 7°C (44°F) | 118 mm (4.6 inches) | 93% | low |