Last updated: August 23, 2025
In December, the average temperature in Guillaumes, France hovers around 0°C (33°F). Expect chilly conditions with minimum temperatures dipping to -13°C (8°F) and occasionally rising to a maximum of 14°C (57°F). During this month, you can anticipate 110 mm (4.3 in) of precipitation spread over approximately 10 days, contributing to an average humidity of 79%. Be sure to bundle up and stay dry!
In December in Guillaumes, the average temperature is 0°C (33°F). Maximums can reach 14°C (57°F) and minimums can be as low as -13°C (8°F). Travelers should be prepared for chilly conditions and varying temperatures, making warm clothing essential.
In Guillaumes in December, the precipitation amount is 110 mm (4.3 in) over a period of 10 days.
In Guillaumes in December humidity is 79%. With an average temperature of 0°C (33°F), this humidity feels like a biting chill that cuts through your clothes, making traveling quite uncomfortable as the dampness clings to your skin and saps your energy.
In Guillaumes 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 Guillaumes, you can visit Hourly UV Index in Guillaumes.
UV Risk Categories
Weather in Guillaumes varies notably across the year, with each month offering distinct climate conditions. This page compares December’s weather to other months in Guillaumes, focusing on differences in temperature, rainfall, humidity, and UV levels.
| Temperature | Precipitation | Humidity | UV | |
|---|---|---|---|---|
| January Weather | 0°C (32°F) | 42 mm (1.6 inches) | 80% | moderate |
| February Weather | 2°C (36°F) | 61 mm (2.4 inches) | 73% | moderate |
| March Weather | 4°C (39°F) | 102 mm (4.0 inches) | 71% | high |
| April Weather | 7°C (44°F) | 119 mm (4.7 inches) | 75% | high |
| May Weather | 11°C (51°F) | 146 mm (5.7 inches) | 74% | very high |
| June Weather | 15°C (59°F) | 145 mm (5.7 inches) | 72% | very high |
| July Weather | 17°C (64°F) | 75 mm (3.0 inches) | 69% | very high |
| August Weather | 17°C (63°F) | 71 mm (2.8 inches) | 66% | very high |
| September Weather | 13°C (56°F) | 87 mm (3.4 inches) | 71% | very high |
| October Weather | 9°C (49°F) | 124 mm (4.9 inches) | 78% | high |
| November Weather | 4°C (39°F) | 118 mm (4.6 inches) | 82% | moderate |
| December Weather | 0°C (33°F) | 110 mm (4.3 inches) | 79% | low |