August Weather in Guillestre, France

Last updated: August 23, 2025

In August, the average temperature in Guillestre, France hovers around 13°C (56°F), with a minimum dipping to 0°C (33°F) and a pleasant maximum reaching 24°C (76°F). Expect 41 mm (1.6 in) of precipitation spread across 9 days, and enjoy a moderate average humidity of 63% throughout the month.

August Temperature in Guillestre

In August in Guillestre, the average temperature is 13°C (56°F). The maximum can reach 24°C (76°F), and the minimum can be as low as 0°C (33°F). Overall, it's a great time for travelers to enjoy mild weather and explore the outdoors comfortably.

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

The chart illustrates August 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, August typically has an average temperature of 13°C (56°F), with highs reaching up to 24°C (76°F) and lows dropping to around 0°C (33°F).

Data source: Temperature data for Guillestre generated using information from the Copernicus Climate Change Service.

August Precipitation in Guillestre

In Guillestre in August, the precipitation amount is 41 mm (1.6 in) spread over 9 days.

August Precipitation Trends in Guillestre

The chart displays monthly precipitation patterns in Guillestre, with values for each month alongside August’s data, which is highlighted for easy comparison. It shows the amount of precipitation, providing insights into how August’s conditions compare to those of other months. In Guillestre, August typically receives around 41 mm (1.6 inches) of precipitation spread over approximately 9 days.

Data source: Precipitation data for August generated using information from the Copernicus Climate Change Service.

Choose your preferred precipitation unit

Millimeters (mm) Inches (in)

August Humidity in Guillestre

In Guillestre in August humidity is 63%. With an average temperature of 13°C (56°F), this humidity feels like a brisk, refreshing embrace, perfect for leisurely sightseeing but a bit chilly for extended outdoor activities.

August Average Humidity in Guillestre

This chart illustrates the average monthly humidity levels in Guillestre, with August’s data highlighted for easy comparison. It shows the fluctuation in humidity throughout the year, helping you understand how conditions vary by season. In August, average humidity in Guillestre is approximately 63%, offering insight into how humid the weather typically is during this month.

Data source: Humidity data for August generated using information from the Copernicus Climate Change Service.

August UV Index in Guillestre

In Guillestre in August, the maximum UV index reaches 10, which corresponds to a very high Exposure Category. With a time to burn of just 15 minutes, it's crucial to take precautions. For more detailed information, you can check the Hourly UV Index in Guillestre.

Maximum UV Index Levels in Guillestre for August

The chart shows the monthly maximum UV Index (UVI) for Guillestre in August, 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 August, the maximum UV index in Guillestre typically reaches 10, which falls under the very high exposure category.

Data source: Guillestre August 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 August 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 August’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 August’s temperature, precipitation, humidity, and UV index levels differ from those of other months.
	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