Last updated: August 23, 2025
In Montereau-Fault-Yonne, France, the average temperature in December hovers around 6°C (43°F). Visitors can expect a chilly minimum of -4°C (25°F) and a mild maximum of 16°C (61°F). During this time, precipitation totals 109 mm (4.3 in), spread over approximately 17 days, while the average humidity remains high at 93%. Be sure to pack accordingly for this damp and variable weather!
In December in Montereau-Fault-Yonne, the average temperature is 6°C (43°F), with maximums reaching 16°C (61°F) and minimums dropping as low as -4°C (25°F). This varied climate makes Montereau-Fault-Yonne an ideal destination for travelers seeking both cool and mild weather experiences.
In Montereau-Fault-Yonne in December, the precipitation amount is 109 mm (4.3 in), occurring over the course of 17 days.
In Montereau-Fault-Yonne 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 Montereau-Fault-Yonne 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 Montereau-Fault-Yonne.
UV Risk Categories
Weather in Montereau-Fault-Yonne varies notably across the year, with each month offering distinct climate conditions. This page compares December’s weather to other months in Montereau-Fault-Yonne, focusing on differences in temperature, rainfall, humidity, and UV levels.
| Temperature | Precipitation | Humidity | UV | |
|---|---|---|---|---|
| January Weather | 4°C (40°F) | 67 mm (2.6 inches) | 91% | low |
| February Weather | 6°C (43°F) | 67 mm (2.6 inches) | 89% | moderate |
| March Weather | 8°C (47°F) | 73 mm (2.9 inches) | 86% | moderate |
| April Weather | 11°C (52°F) | 30 mm (1.2 inches) | 84% | high |
| May Weather | 15°C (59°F) | 70 mm (2.8 inches) | 82% | very high |
| June Weather | 19°C (67°F) | 64 mm (2.5 inches) | 82% | very high |
| July Weather | 21°C (70°F) | 52 mm (2.0 inches) | 80% | very high |
| August Weather | 20°C (69°F) | 50 mm (2.0 inches) | 76% | very high |
| September Weather | 17°C (63°F) | 53 mm (2.1 inches) | 81% | high |
| October Weather | 13°C (55°F) | 83 mm (3.3 inches) | 88% | moderate |
| November Weather | 8°C (46°F) | 65 mm (2.6 inches) | 92% | low |
| December Weather | 6°C (43°F) | 109 mm (4.3 inches) | 93% | low |