Last updated: August 23, 2025
In December, the average temperature in Saint-Julien, France hovers around 5°C (41°F). Expect chilly days with minimum temperatures dropping to -5°C (23°F), while the mercury can rise to a comfortable 15°C (59°F). Brace for 130 mm (5.1 in) of precipitation spread over 18 days, contributing to an average humidity level of 91%.
In December in Saint-Julien, the average temperature is 5°C (41°F). The maximum can reach 15°C (59°F), while the minimum can drop as low as -5°C (23°F). It’s advisable to pack layered clothing to stay comfortable while exploring the area.
In Saint-Julien in December, the total precipitation amount reaches 130 mm (5.1 in) over a span of 18 days.
In Saint-Julien in December humidity is 91%. With an average temperature of 5°C (41°F), this humidity feels like a damp chill that seeps into your bones, making traveling outdoors a rather uncomfortable experience unless you're dressed warmly and prepared for the moist air that clings to your skin.
In Saint-Julien 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-Julien.
UV Risk Categories
Weather in Saint-Julien varies notably across the year, with each month offering distinct climate conditions. This page compares December’s weather to other months in Saint-Julien, focusing on differences in temperature, rainfall, humidity, and UV levels.
| Temperature | Precipitation | Humidity | UV | |
|---|---|---|---|---|
| January Weather | 3°C (37°F) | 78 mm (3.1 inches) | 91% | low |
| February Weather | 5°C (42°F) | 69 mm (2.7 inches) | 89% | moderate |
| March Weather | 7°C (46°F) | 81 mm (3.2 inches) | 87% | moderate |
| April Weather | 11°C (52°F) | 47 mm (1.8 inches) | 84% | high |
| May Weather | 14°C (58°F) | 95 mm (3.7 inches) | 80% | very high |
| June Weather | 19°C (67°F) | 84 mm (3.3 inches) | 82% | very high |
| July Weather | 21°C (70°F) | 64 mm (2.5 inches) | 82% | very high |
| August Weather | 21°C (70°F) | 56 mm (2.2 inches) | 77% | very high |
| September Weather | 17°C (62°F) | 53 mm (2.1 inches) | 81% | high |
| October Weather | 12°C (54°F) | 78 mm (3.1 inches) | 89% | moderate |
| November Weather | 6°C (44°F) | 76 mm (3.0 inches) | 89% | low |
| December Weather | 5°C (41°F) | 130 mm (5.1 inches) | 91% | low |