Last updated: August 23, 2025
In December, the average temperature in Mary-sur-Marne, France hovers around 6°C (43°F), with fluctuations ranging from a brisk -4°C (26°F) to a mild 15°C (59°F). This period experiences significant rainfall, accumulating approximately 118 mm (4.6 in) over 17 days, paired with an average humidity of 93%. Prepare for a damp yet temperate climate!
In December in Mary-sur-Marne, the average temperature is 6°C (43°F). Maximums can reach 15°C (59°F), while minimums can drop as low as -4°C (26°F). Be prepared for a range of weather conditions during your travels!
In Mary-sur-Marne in December, the total precipitation amount is 118 mm (4.6 in), which falls over the course of 17 days.
In Mary-sur-Marne 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 Mary-sur-Marne 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 Mary-sur-Marne.
UV Risk Categories
Weather in Mary-sur-Marne varies notably across the year, with each month offering distinct climate conditions. This page compares December’s weather to other months in Mary-sur-Marne, focusing on differences in temperature, rainfall, humidity, and UV levels.
| Temperature | Precipitation | Humidity | UV | |
|---|---|---|---|---|
| January Weather | 4°C (40°F) | 69 mm (2.7 inches) | 91% | low |
| February Weather | 6°C (43°F) | 75 mm (2.9 inches) | 89% | moderate |
| March Weather | 8°C (46°F) | 78 mm (3.1 inches) | 86% | moderate |
| April Weather | 11°C (52°F) | 35 mm (1.4 inches) | 84% | high |
| May Weather | 14°C (58°F) | 69 mm (2.7 inches) | 82% | very high |
| June Weather | 19°C (66°F) | 62 mm (2.4 inches) | 82% | very high |
| July Weather | 20°C (69°F) | 55 mm (2.2 inches) | 80% | very high |
| August Weather | 20°C (68°F) | 62 mm (2.4 inches) | 76% | high |
| September Weather | 17°C (62°F) | 55 mm (2.1 inches) | 81% | high |
| October Weather | 12°C (55°F) | 84 mm (3.3 inches) | 88% | moderate |
| November Weather | 7°C (46°F) | 70 mm (2.8 inches) | 92% | low |
| December Weather | 6°C (43°F) | 118 mm (4.6 inches) | 93% | low |