Last updated: August 23, 2025
In Mery-es-Bois, France, the average temperature in December hovers around 6°C (43°F). Expect chilly days with a minimum plunging to -3°C (27°F) and a maximum reaching up to 16°C (62°F). This month sees 115 mm (4.5 in) of precipitation over 18 days, contributing to the notably high average humidity of 93%. Be prepared for a damp and cool experience!
In December in Mery-es-Bois, the average temperature is 6°C (43°F). Maximums can reach 16°C (62°F), while minimums can drop as low as -3°C (27°F). Be prepared for a mix of chilly days and mild afternoons, making it a great time for layered clothing while exploring the sights.
In Mery-es-Bois in December, the precipitation amount is 115 mm (4.5 in) occurring over 18 days.
In Mery-es-Bois in December, humidity is 93%. With an average temperature of 6°C (43°F), this humidity feels like a damp chill that seeps into your bones, making travel particularly uncomfortable and the air feel heavy, as though every step is met with resistance.
In Mery-es-Bois in December, the maximum UV index is 1, which corresponds to a low Exposure Category. This means you have a time to burn of 45 minutes. For more details, you can check the Hourly UV Index in Mery-es-Bois.
UV Risk Categories
Weather in Mery-es-Bois varies notably across the year, with each month offering distinct climate conditions. This page compares December’s weather to other months in Mery-es-Bois, focusing on differences in temperature, rainfall, humidity, and UV levels.
| Temperature | Precipitation | Humidity | UV | |
|---|---|---|---|---|
| January Weather | 4°C (40°F) | 72 mm (2.8 inches) | 90% | low |
| February Weather | 6°C (44°F) | 66 mm (2.6 inches) | 88% | moderate |
| March Weather | 9°C (48°F) | 77 mm (3.0 inches) | 85% | moderate |
| April Weather | 12°C (53°F) | 43 mm (1.7 inches) | 83% | high |
| May Weather | 15°C (59°F) | 79 mm (3.1 inches) | 83% | very high |
| June Weather | 19°C (67°F) | 68 mm (2.7 inches) | 79% | very high |
| July Weather | 21°C (71°F) | 52 mm (2.1 inches) | 71% | very high |
| August Weather | 21°C (70°F) | 40 mm (1.6 inches) | 68% | very high |
| September Weather | 18°C (64°F) | 57 mm (2.2 inches) | 76% | high |
| October Weather | 13°C (56°F) | 79 mm (3.1 inches) | 87% | moderate |
| November Weather | 8°C (46°F) | 71 mm (2.8 inches) | 91% | low |
| December Weather | 6°C (43°F) | 115 mm (4.5 inches) | 93% | low |