Last updated: August 23, 2025
In December, the average temperature in Saint-Loup-sur-Semouse, France hovers around 4°C (39°F), with a minimum of -5°C (24°F) and a maximum of 13°C (57°F). The region experiences considerable precipitation, averaging 189 mm (7.5 in) over 20 days, contributing to an average humidity level of 91%. Be prepared for a chilly, damp month!
In December in Saint-Loup-sur-Semouse, the average temperature is 4°C (39°F). The maximum can reach 13°C (57°F), and the minimum can be as low as -5°C (24°F). Be prepared for chilly weather and pack accordingly if you plan to travel during this time.
In Saint-Loup-sur-Semouse in December, the precipitation amount is 189 mm (7.5 in) over a span of 20 days.
In Saint-Loup-sur-Semouse in December, humidity is 91%. With an average temperature of 4°C (39°F), this humidity feels like a damp chill that seeps into your bones, making outdoor activities less enjoyable and forcing travelers to bundle up tightly against the cold, sticky air.
In Saint-Loup-sur-Semouse 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 Saint-Loup-sur-Semouse.
UV Risk Categories
Weather in Saint-Loup-sur-Semouse varies notably across the year, with each month offering distinct climate conditions. This page compares December’s weather to other months in Saint-Loup-sur-Semouse, focusing on differences in temperature, rainfall, humidity, and UV levels.
| Temperature | Precipitation | Humidity | UV | |
|---|---|---|---|---|
| January Weather | 2°C (36°F) | 130 mm (5.1 inches) | 91% | low |
| February Weather | 4°C (40°F) | 112 mm (4.4 inches) | 89% | moderate |
| March Weather | 7°C (44°F) | 124 mm (4.9 inches) | 87% | moderate |
| April Weather | 10°C (51°F) | 53 mm (2.1 inches) | 84% | high |
| May Weather | 14°C (57°F) | 115 mm (4.5 inches) | 80% | very high |
| June Weather | 19°C (66°F) | 91 mm (3.6 inches) | 82% | very high |
| July Weather | 20°C (69°F) | 70 mm (2.8 inches) | 82% | very high |
| August Weather | 20°C (68°F) | 61 mm (2.4 inches) | 77% | very high |
| September Weather | 16°C (60°F) | 65 mm (2.6 inches) | 81% | high |
| October Weather | 11°C (52°F) | 97 mm (3.8 inches) | 89% | moderate |
| November Weather | 6°C (43°F) | 103 mm (4.1 inches) | 89% | low |
| December Weather | 4°C (39°F) | 189 mm (7.5 inches) | 91% | low |