Last updated: August 23, 2025
In December, the average temperature in Jars, France hovers around 6°C (43°F). Expect a brisk climate where the minimum can drop to -4°C (26°F), while the maximum reaches a mild 16°C (61°F). Rainfall is notable, with 113 mm (4.5 in) expected over 18 days, contributing to a high average humidity of 93%. Prepare accordingly for a chilly, damp month!
In December in Jars, the average temperature is 6°C (43°F). Maximum temperatures can reach 16°C (61°F), while minimum temperatures can drop as low as -4°C (26°F). Travelers should be prepared for a mix of chilly and mild weather, making layers an essential part of their packing.
In Jars in December, the precipitation amount is 113 mm (4.5 in), occurring over the course of 18 days.
In Jars 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 Jars 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 Jars.
UV Risk Categories
Weather in Jars varies notably across the year, with each month offering distinct climate conditions. This page compares December’s weather to other months in Jars, focusing on differences in temperature, rainfall, humidity, and UV levels.
| Temperature | Precipitation | Humidity | UV | |
|---|---|---|---|---|
| January Weather | 4°C (40°F) | 75 mm (3.0 inches) | 91% | low |
| February Weather | 6°C (43°F) | 65 mm (2.6 inches) | 89% | moderate |
| March Weather | 8°C (47°F) | 78 mm (3.1 inches) | 86% | moderate |
| April Weather | 11°C (53°F) | 40 mm (1.6 inches) | 84% | high |
| May Weather | 15°C (59°F) | 81 mm (3.2 inches) | 82% | very high |
| June Weather | 19°C (67°F) | 69 mm (2.7 inches) | 82% | very high |
| July Weather | 21°C (70°F) | 49 mm (1.9 inches) | 79% | very high |
| August Weather | 20°C (69°F) | 47 mm (1.8 inches) | 72% | very high |
| September Weather | 17°C (63°F) | 65 mm (2.6 inches) | 78% | high |
| October Weather | 13°C (55°F) | 78 mm (3.1 inches) | 88% | moderate |
| November Weather | 8°C (46°F) | 70 mm (2.8 inches) | 91% | low |
| December Weather | 6°C (43°F) | 113 mm (4.5 inches) | 93% | low |