Last updated: August 23, 2025
In Ay-sur-Moselle, France, the average temperature in December hovers around 4°C (40°F). You might experience chilly days, with temperatures dipping to a brisk -6°C (22°F) and peaking at a mild 15°C (59°F). Prepare for some rain, as the region sees about 115 mm (4.5 in) of precipitation spread over 19 days. Plus, don't forget to account for the high humidity, averaging a damp 93%!
In December in Ay-sur-Moselle, the average temperature is 4°C (40°F), with maximums reaching 15°C (59°F) and minimums dropping as low as -6°C (22°F). It's advisable to pack warm clothing and prepare for chilly conditions if you're planning to visit.
In Ay-sur-Moselle in December, the precipitation amount is 115 mm (4.5 in) over a span of 19 days.
In Ay-sur-Moselle in December, humidity is 93%. With an average temperature of 4°C (40°F), this humidity feels like a cold, damp blanket wrapping around you, making travel uncomfortable and requiring extra layers to stay warm, as every step can feel heavy in the thick, moisture-laden air.
In Ay-sur-Moselle 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 Ay-sur-Moselle.
UV Risk Categories
Weather in Ay-sur-Moselle varies notably across the year, with each month offering distinct climate conditions. This page compares December’s weather to other months in Ay-sur-Moselle, focusing on differences in temperature, rainfall, humidity, and UV levels.
| Temperature | Precipitation | Humidity | UV | |
|---|---|---|---|---|
| January Weather | 3°C (37°F) | 71 mm (2.8 inches) | 91% | low |
| February Weather | 5°C (40°F) | 72 mm (2.8 inches) | 90% | moderate |
| March Weather | 7°C (44°F) | 70 mm (2.8 inches) | 88% | moderate |
| April Weather | 10°C (51°F) | 38 mm (1.5 inches) | 84% | high |
| May Weather | 14°C (57°F) | 70 mm (2.8 inches) | 81% | very high |
| June Weather | 19°C (66°F) | 67 mm (2.6 inches) | 82% | very high |
| July Weather | 20°C (68°F) | 65 mm (2.6 inches) | 82% | very high |
| August Weather | 20°C (68°F) | 47 mm (1.8 inches) | 80% | very high |
| September Weather | 16°C (60°F) | 63 mm (2.5 inches) | 83% | high |
| October Weather | 11°C (53°F) | 72 mm (2.8 inches) | 89% | moderate |
| November Weather | 6°C (43°F) | 70 mm (2.8 inches) | 91% | low |
| December Weather | 4°C (40°F) | 115 mm (4.5 inches) | 93% | low |