Last updated: August 23, 2025
In January, the average temperature in Guillestre, France hovers around -8°C (17°F), with minimums plummeting to -24°C (-12°F) and maximums reaching up to 5°C (41°F). Expect about 65 mm (2.6 in) of precipitation over 8 days, accompanied by a high average humidity of 91%. Embrace the chilly weather!
In January in Guillestre, the average temperature is -8°C (17°F). The maximum can reach 5°C (41°F), while the minimum can drop as low as -24°C (-12°F). Travelers should be prepared for cold conditions and pack accordingly to enjoy their visit.
In Guillestre in January, the total precipitation amount is 65 mm (2.6 in) spread over the course of 8 days.
In Guillestre in January, humidity is 91%. With an average temperature of -8°C (17°F), this humidity feels like a chilly dampness that clings to your skin, making it uncomfortable for traveling as every step feels heavier and the cold seems to seep into your bones.
In Guillestre in January, the maximum UV index is 3, which corresponds to a moderate Exposure Category. The time to burn is approximately 30 minutes. For more details on the hourly UV index in Guillestre, you can check the information here.
UV Risk Categories
Weather in Guillestre varies notably across the year, with each month offering distinct climate conditions. This page compares January’s weather to other months in Guillestre, focusing on differences in temperature, rainfall, humidity, and UV levels.
Temperature | Precipitation | Humidity | UV | |
---|---|---|---|---|
January Weather | -8°C (17°F) | 65 mm (2.6 inches) | 91% | moderate |
February Weather | -5°C (23°F) | 57 mm (2.3 inches) | 87% | moderate |
March Weather | -3°C (26°F) | 93 mm (3.7 inches) | 84% | high |
April Weather | 0°C (32°F) | 85 mm (3.3 inches) | 83% | very high |
May Weather | 4°C (40°F) | 130 mm (5.1 inches) | 78% | very high |
June Weather | 10°C (50°F) | 100 mm (3.9 inches) | 75% | extreme |
July Weather | 13°C (55°F) | 61 mm (2.4 inches) | 72% | very high |
August Weather | 13°C (56°F) | 41 mm (1.6 inches) | 63% | very high |
September Weather | 9°C (48°F) | 44 mm (1.7 inches) | 73% | very high |
October Weather | 4°C (40°F) | 95 mm (3.7 inches) | 89% | high |
November Weather | -3°C (27°F) | 114 mm (4.5 inches) | 90% | moderate |
December Weather | -7°C (20°F) | 122 mm (4.8 inches) | 90% | low |