Last updated: August 23, 2025
In December, the average temperature in Saint-Martin-Longueau, France hovers around 6°C (43°F). Be prepared for a chill, as temperatures can dip to a minimum of -3°C (27°F), while the maximum reaches a mild 15°C (59°F). Expect 102 mm (4.0 in) of precipitation spread over 16 days, contributing to a high average humidity of 93%.
In December in Saint-Martin-Longueau, the average temperature is 6°C (43°F). The maximum can reach 15°C (59°F), and the minimum can be as low as -3°C (27°F). Be prepared for a chilly yet refreshing atmosphere, making it ideal for outdoor activities and cozy experiences.
In Saint-Martin-Longueau in December, the precipitation amount is 102 mm (4.0 in) spread over 16 days.
In Saint-Martin-Longueau 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 Saint-Martin-Longueau 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-Martin-Longueau.
UV Risk Categories
Weather in Saint-Martin-Longueau varies notably across the year, with each month offering distinct climate conditions. This page compares December’s weather to other months in Saint-Martin-Longueau, focusing on differences in temperature, rainfall, humidity, and UV levels.
| Temperature | Precipitation | Humidity | UV | |
|---|---|---|---|---|
| January Weather | 4°C (40°F) | 59 mm (2.3 inches) | 91% | low |
| February Weather | 6°C (43°F) | 69 mm (2.7 inches) | 89% | moderate |
| March Weather | 8°C (46°F) | 73 mm (2.9 inches) | 85% | moderate |
| April Weather | 11°C (52°F) | 34 mm (1.3 inches) | 84% | high |
| May Weather | 14°C (57°F) | 68 mm (2.7 inches) | 82% | very high |
| June Weather | 18°C (65°F) | 63 mm (2.5 inches) | 80% | very high |
| July Weather | 20°C (68°F) | 49 mm (1.9 inches) | 73% | very high |
| August Weather | 19°C (67°F) | 64 mm (2.5 inches) | 68% | very high |
| September Weather | 16°C (62°F) | 37 mm (1.4 inches) | 76% | high |
| October Weather | 12°C (55°F) | 79 mm (3.1 inches) | 88% | moderate |
| November Weather | 8°C (46°F) | 70 mm (2.7 inches) | 92% | low |
| December Weather | 6°C (43°F) | 102 mm (4.0 inches) | 93% | low |