January Weather in Guillestre, France

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!

January Temperature in Guillestre

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.

January Weather in Guillestre: Daily Temperature Highs, Lows, and Averages

The chart illustrates January temperature patterns in Guillestre, showcasing daily minimum, maximum, and average temperatures. It highlights the typical range of temperatures throughout the month, providing insights into weather trends. In Guillestre, January typically has an average temperature of -8°C (17°F), with highs reaching up to 5°C (41°F) and lows dropping to around -24°C (-12°F).
JanFebMarAprMayJunJulAugSepOctNovDec172326323950555548402719
Data source: Temperature data for Guillestre generated using information from the Copernicus Climate Change Service.
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The average of daily temperatures (24 hours) calculated across all days in the month.

January Precipitation in Guillestre

In Guillestre in January, the total precipitation amount is 65 mm (2.6 in) spread over the course of 8 days.

January Precipitation Trends in Guillestre

The chart displays monthly precipitation patterns in Guillestre, with values for each month alongside January’s data, which is highlighted for easy comparison. It shows the amount of precipitation, providing insights into how January’s conditions compare to those of other months. In Guillestre, January typically receives around 65 mm (2.6 inches) of precipitation spread over approximately 8 days.
JanFebMarAprMayJunJulAugSepOctNovDec6557938513010061414495114122
Data source: Precipitation data for January generated using information from the Copernicus Climate Change Service.
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January Humidity in Guillestre

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.

January Average Humidity in Guillestre

This chart illustrates the average monthly humidity levels in Guillestre, with January’s data highlighted for easy comparison. It shows the fluctuation in humidity throughout the year, helping you understand how conditions vary by season. In January, average humidity in Guillestre is approximately 91%, offering insight into how humid the weather typically is during this month.
JanFebMarAprMayJunJulAugSepOctNovDec91%87%84%83%78%75%72%63%73%89%91%90%
Data source: Humidity data for January generated using information from the Copernicus Climate Change Service.

January UV Index in Guillestre

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.

Maximum UV Index Levels in Guillestre for January

The chart shows the monthly maximum UV Index (UVI) for Guillestre in January, representing the highest UV radiation level. The UVI measures the intensity of ultraviolet radiation from the sun, indicating the potential risk of sunburn and UV-related health issues. In January, the maximum UV index in Guillestre typically reaches 3, which falls under the moderate exposure category.
JanFebMarAprMayJunJulAugSepOctNovDec3579101110108632
Data source: Guillestre January UVI data generated using information from the Copernicus Climate Change Service.

UV Risk Categories

  •  Extreme (11+): Avoid the sun, stay in shade.
  •  Very High (8-10): Limit sun exposure.
  •  High (6-7): Use SPF 30+ and protective clothing.
  •  Moderate (3-5): Midday shade recommended.
  •  Low (0-2): No protection needed.

How January Weather in Guillestre Compares to Other Months

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.

This table compares monthly weather conditions in Guillestre, showing how January’s temperature, precipitation, humidity, and UV index levels differ from those of other months.
 TemperaturePrecipitationHumidityUV
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 Weather0°C (32°F)85 mm (3.3 inches)83%very high
May Weather4°C (40°F)130 mm (5.1 inches)78%very high
June Weather10°C (50°F)100 mm (3.9 inches)75%extreme
July Weather13°C (55°F)61 mm (2.4 inches)72%very high
August Weather13°C (56°F)41 mm (1.6 inches)63%very high
September Weather9°C (48°F)44 mm (1.7 inches)73%very high
October Weather4°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

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