Last updated: August 23, 2025
In December, the average temperature in Saint-Sulpice, France hovers around 3°C (38°F). Expect a chill with minimum temperatures dipping to -10°C (14°F), while highs can reach up to 15°C (59°F). During this month, the region experiences significant precipitation totaling 227 mm (8.9 in) across approximately 17 days, contributing to an average humidity level of 90%. Be prepared for a wet and cool atmosphere!
In December in Saint-Sulpice, the average temperature is 3°C (38°F). Maximum temperatures can reach 15°C (59°F), while minimums can drop as low as -10°C (14°F). Make sure to pack warm clothing and prepare for varying weather conditions if you plan to travel during this time.
In Saint-Sulpice in December, the total precipitation amount is 227 mm (8.9 in) spread over 17 days.
In Saint-Sulpice in December humidity is 90%. With an average temperature of 3°C (38°F), this humidity feels like a damp chill wrapping around you, making travel uncomfortable as the cold penetrates your clothing while the heavy moisture lingers in the air.
In Saint-Sulpice in December, the maximum UV index is 2, which corresponds to a low exposure category. With this level of UV radiation, the time to burn is approximately 45 minutes. To learn more about the hourly UV index in Saint-Sulpice, you can visit Hourly UV Index in Saint-Sulpice.
UV Risk Categories
Weather in Saint-Sulpice varies notably across the year, with each month offering distinct climate conditions. This page compares December’s weather to other months in Saint-Sulpice, focusing on differences in temperature, rainfall, humidity, and UV levels.
| Temperature | Precipitation | Humidity | UV | |
|---|---|---|---|---|
| January Weather | 2°C (36°F) | 119 mm (4.7 inches) | 91% | low |
| February Weather | 5°C (41°F) | 105 mm (4.1 inches) | 87% | moderate |
| March Weather | 8°C (46°F) | 132 mm (5.2 inches) | 84% | high |
| April Weather | 11°C (52°F) | 71 mm (2.8 inches) | 83% | high |
| May Weather | 14°C (58°F) | 169 mm (6.7 inches) | 78% | very high |
| June Weather | 19°C (66°F) | 136 mm (5.4 inches) | 75% | very high |
| July Weather | 21°C (70°F) | 113 mm (4.4 inches) | 72% | very high |
| August Weather | 20°C (69°F) | 101 mm (4.0 inches) | 63% | very high |
| September Weather | 16°C (62°F) | 77 mm (3.0 inches) | 73% | high |
| October Weather | 12°C (53°F) | 120 mm (4.7 inches) | 89% | moderate |
| November Weather | 6°C (43°F) | 113 mm (4.5 inches) | 90% | moderate |
| December Weather | 3°C (38°F) | 227 mm (8.9 inches) | 90% | low |