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October Weather in Guillestre, France

Last updated: August 23, 2025

In October, the average temperature in Guillestre, France is a brisk 4°C (40°F). Be prepared for a chill, as temperatures can dip as low as -12°C (10°F), while the highs may reach a pleasant 19°C (67°F). This month also sees an average precipitation of 95 mm (3.7 in) spread over 7 days, accompanied by a notable average humidity of 89%.

October Temperature in Guillestre

In October in Guillestre, the average temperature is 4°C (40°F). Maximum temperatures can reach 19°C (67°F), while minimums can dip as low as -12°C (10°F). Be prepared for a wide range of temperatures when traveling to Guillestre during this time.

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

The chart illustrates October 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, October typically has an average temperature of 4°C (40°F), with highs reaching up to 19°C (67°F) and lows dropping to around -12°C (10°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.

October Precipitation in Guillestre

In Guillestre in October, the precipitation amount is 95 mm (3.7 in) over the course of 7 days.

October Precipitation Trends in Guillestre

The chart displays monthly precipitation patterns in Guillestre, with values for each month alongside October’s data, which is highlighted for easy comparison. It shows the amount of precipitation, providing insights into how October’s conditions compare to those of other months. In Guillestre, October typically receives around 95 mm (3.7 inches) of precipitation spread over approximately 7 days.
JanFebMarAprMayJunJulAugSepOctNovDec6557938513010061414495114122
Data source: Precipitation data for October generated using information from the Copernicus Climate Change Service.
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October Humidity in Guillestre

In Guillestre in October humidity is 89%. With an average temperature of 4°C (40°F), this humidity feels like a chilling blanket enveloping you, making travel uncomfortable and damp, as the cold penetrates through your clothes and the air feels heavy and clinging.

October Average Humidity in Guillestre

This chart illustrates the average monthly humidity levels in Guillestre, with October’s data highlighted for easy comparison. It shows the fluctuation in humidity throughout the year, helping you understand how conditions vary by season. In October, average humidity in Guillestre is approximately 89%, 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 October generated using information from the Copernicus Climate Change Service.

October UV Index in Guillestre

In Guillestre in October, the maximum UV index is 6, which corresponds to a high Exposure Category. The time to burn is approximately 25 minutes. To find the hourly UV index in Guillestre, you can refer to this Hourly UV Index in Guillestre.

Maximum UV Index Levels in Guillestre for October

The chart shows the monthly maximum UV Index (UVI) for Guillestre in October, 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 October, the maximum UV index in Guillestre typically reaches 6, which falls under the high exposure category.
JanFebMarAprMayJunJulAugSepOctNovDec3579101110108632
Data source: Guillestre October 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 October 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 October’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 October’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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