August Weather in Sallanches, France

Last updated: August 23, 2025

In August, the average temperature in Sallanches, France hovers around 13°C (56°F), with temperatures ranging from a brisk 2°C (36°F) to a warm 25°C (77°F). Expect a fair amount of rain, with 149 mm (5.9 in) of precipitation spread over 17 days. The month also carries an average humidity level of 63%, adding a slight chill to those cooler days.

August Temperature in Sallanches

In August in Sallanches, the average temperature is 13°C (56°F), with maximums reaching 25°C (77°F) and minimums dropping as low as 2°C (36°F). This climate makes Sallanches a great destination for travelers looking to enjoy mild weather and outdoor activities.

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

The chart illustrates August temperature patterns in Sallanches, showcasing daily minimum, maximum, and average temperatures. It highlights the typical range of temperatures throughout the month, providing insights into weather trends. In Sallanches, August typically has an average temperature of 13°C (56°F), with highs reaching up to 25°C (77°F) and lows dropping to around 2°C (36°F).
JanFebMarAprMayJunJulAugSepOctNovDec182630374454575649413022
Data source: Temperature data for Sallanches generated using information from the Copernicus Climate Change Service.
Choose your preferred temperature unit
The average of daily temperatures (24 hours) calculated across all days in the month.

August Precipitation in Sallanches

In Sallanches in August, the precipitation amount is 149 mm (5.9 in) spread over 17 days.

August Precipitation Trends in Sallanches

The chart displays monthly precipitation patterns in Sallanches, 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 Sallanches, August typically receives around 149 mm (5.9 inches) of precipitation spread over approximately 17 days.
JanFebMarAprMayJunJulAugSepOctNovDec17114117584224167162149109133120295
Data source: Precipitation data for August generated using information from the Copernicus Climate Change Service.
Choose your preferred precipitation unit

August Humidity in Sallanches

In Sallanches 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 Sallanches

This chart illustrates the average monthly humidity levels in Sallanches, 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 Sallanches is approximately 63%, 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 August generated using information from the Copernicus Climate Change Service.

August UV Index in Sallanches

In Sallanches in August, the maximum UV index is 9, which corresponds to a very high Exposure Category. The time to burn is just 15 minutes, so it's essential to take precautions. For detailed information, you can check the Hourly UV Index in Sallanches.

Maximum UV Index Levels in Sallanches for August

The chart shows the monthly maximum UV Index (UVI) for Sallanches 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 Sallanches typically reaches 9, which falls under the very high exposure category.
JanFebMarAprMayJunJulAugSepOctNovDec34789101097532
Data source: Sallanches 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 Sallanches Compares to Other Months

Weather in Sallanches varies notably across the year, with each month offering distinct climate conditions. This page compares August’s weather to other months in Sallanches, focusing on differences in temperature, rainfall, humidity, and UV levels.

This table compares monthly weather conditions in Sallanches, showing how August’s temperature, precipitation, humidity, and UV index levels differ from those of other months.
 TemperaturePrecipitationHumidityUV
January Weather-8°C (19°F)171 mm (6.7 inches)91%moderate
February Weather-4°C (26°F)141 mm (5.5 inches)87%moderate
March Weather-1°C (31°F)175 mm (6.9 inches)84%high
April Weather3°C (38°F)84 mm (3.3 inches)83%very high
May Weather7°C (45°F)224 mm (8.8 inches)78%very high
June Weather12°C (54°F)167 mm (6.6 inches)75%very high
July Weather14°C (57°F)162 mm (6.4 inches)72%very high
August Weather13°C (56°F)149 mm (5.9 inches)63%very high
September Weather10°C (49°F)109 mm (4.3 inches)73%high
October Weather5°C (42°F)133 mm (5.3 inches)89%moderate
November Weather-1°C (30°F)120 mm (4.7 inches)90%moderate
December Weather-6°C (22°F)295 mm (11.6 inches)90%low

Compare Sallanches's Climate with Cities Worldwide