Last updated: August 23, 2025
In December, the average temperature in Longueil-Sainte-Marie, France hovers around 6°C (43°F). During this month, temperatures can dip to a chilly -3°C (26°F) at their lowest and peak at a mild 15°C (59°F). Expect 104 mm (4.1 in) of precipitation spread over 16 days, contributing to an average humidity level of 93%. Stay prepared for a mix of cozy indoor days and refreshing sprinkles!
In December in Longueil-Sainte-Marie, the average temperature is 6°C (43°F). Maximums can reach 15°C (59°F), while minimums can dip as low as -3°C (26°F). Be sure to pack layers to stay comfortable during your travels!
In Longueil-Sainte-Marie in December, the total precipitation amount is 104 mm (4.1 in), distributed over 16 days.
In Longueil-Sainte-Marie 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 Longueil-Sainte-Marie 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 Longueil-Sainte-Marie.
UV Risk Categories
Weather in Longueil-Sainte-Marie varies notably across the year, with each month offering distinct climate conditions. This page compares December’s weather to other months in Longueil-Sainte-Marie, focusing on differences in temperature, rainfall, humidity, and UV levels.
| Temperature | Precipitation | Humidity | UV | |
|---|---|---|---|---|
| January Weather | 4°C (40°F) | 63 mm (2.5 inches) | 91% | low |
| February Weather | 6°C (43°F) | 70 mm (2.7 inches) | 89% | moderate |
| March Weather | 8°C (46°F) | 71 mm (2.8 inches) | 86% | moderate |
| April Weather | 11°C (52°F) | 33 mm (1.3 inches) | 84% | high |
| May Weather | 14°C (58°F) | 65 mm (2.6 inches) | 82% | very high |
| June Weather | 19°C (66°F) | 60 mm (2.4 inches) | 82% | very high |
| July Weather | 20°C (69°F) | 51 mm (2.0 inches) | 80% | very high |
| August Weather | 20°C (68°F) | 62 mm (2.5 inches) | 76% | high |
| September Weather | 16°C (62°F) | 39 mm (1.5 inches) | 81% | high |
| October Weather | 13°C (55°F) | 77 mm (3.0 inches) | 88% | moderate |
| November Weather | 8°C (46°F) | 68 mm (2.7 inches) | 92% | low |
| December Weather | 6°C (43°F) | 104 mm (4.1 inches) | 93% | low |