FranceAverage weather for Chamonix-Mont-Blanc in August
It's pleasantly warm in August in Chamonix-Mont-Blanc with an average temperature of 20°C. Temperatures this month range from a low of 17°C to a high of 22°C. At night, you can expect temperatures between 9°C and 12°C.
Start of August
The month of August starts in Chamonix-Mont-Blanc with mild temps, averaging around 21°C during the day and nights around 11°C. You can expect regular precipitation, but there will also be some sunny days in the early part of the month.
Mid August
By mid-August, daytime temps drop to around 20°C, with nights around 11°C. There’s a chance of some showers during this time, but plenty of dry and sunny days too.
End of August
By the end of August, the average daytime temperature in Chamonix-Mont-Blanc is around 20°C, while nighttime temps are about 11°C. A shower might pop up, but overall, the weather will be dry and sunny.
In August, there is an average of 94 mm of precipitation, spread over 12 days. The wind speed is around 4 Bft, mostly coming from the South.
Chamonix-Mont-Blanc in August |
New York | ||
|---|---|---|---|
 Average temperature |
20°C | 30°C | |
 Max. temperature |
22°C | 31°C | |
| Min. temperature |
17°C | -5°C | |
 Total precipitation |
94 mm | 79 mm | |
| Rainy days |
12 days | 13 days | |
July
UV index
The UV index is a maximum of 9 this month. That's a very high value on the intensity scale of 1 to 11. Unprotected skin can burn within 10-15 minutes.
Is August a good time to visit Chamonix-Mont-Blanc?
Looking for great weather? August is a good time to be in Chamonix-Mont-Blanc. The temperatures are nice, and there’s not too much rain.
Temperature records
With 38°C in 2023, Chamonix-Mont-Blanc reached the highest temperature in August over the past 10 years. The lowest daytime temperature in this month was 6°C in 2023. The extreme nighttime temperatures ranged from a lowest recorded value of 1°C to a highest value of 18°C.
Check out the climate of Chamonix-Mont-Blanc for all months and discover the best travel time
Curious about the weather in other parts of France? Check out the climate and weather for spots like Paris, Côte d'Azur, Bretagne, or explore other destinations in France.
Daily Temperature in August in Chamonix-Mont-Blanc
This chart shows the average daily high and low temperatures in August for Chamonix-Mont-Blanc, in degrees Celsius. The red line represents the highs, and the blue line shows the lows. The days of the month are displayed at the bottom of the chart. The data, based on historical observations, provide the average temperatures for this month.
Weather experiences in August in Chamonix-Mont-Blanc
Good
Although the sun could shine quite brightly during the day, ... more
Daily Precipitation in August in Chamonix-Mont-Blanc
The chart below shows the average daily precipitation in August for Chamonix-Mont-Blanc, measured in millimeters over the past few years. Precipitation is always measured as water, even if it’s snow or hail. The days of the month are listed at the bottom of the chart.
A low average precipitation means that the chance of rain on that day is usually small, while a higher average suggests that it rained more often. But remember, it’s just an average, and every day can be different. Based on historical weather data for August, you can expect about 12 days of precipitation in Chamonix-Mont-Blanc.
Daily UV index in August in Chamonix-Mont-Blanc
This chart shows the average daily UV index in August in Chamonix-Mont-Blanc, with the UV index ranging from 0 to a maximum of 11. The bottom of the chart shows the days of the month. Based on historical data, this chart provides an idea of the daily UV radiation levels you can expect.
Temperature in August in Chamonix-Mont-Blanc over the years
This chart shows the average temperature in August in Chamonix-Mont-Blanc, measured in degrees Celsius, over the past few years.
Total precipitation in August in Chamonix-Mont-Blanc over the years
This chart shows the average precipitation in August in Chamonix-Mont-Blanc, measured in millimeters over the past years. Precipitation is always measured as water, whether it’s snow or hail.
Daily weather in August for Chamonix-Mont-Blanc
Click on any day in August to get detailed info about the usual weather on that day in Chamonix-Mont-Blanc. Check out the historical temperatures and precipitation over the past 10 years on this day.
Weather experiences in August in Chamonix-Mont-Blanc
The weather in August in Chamonix-Mont-Blanc is rated 4 out of 5 stars by 1 visitor. Have you been to Chamonix-Mont-Blanc? Share your weather experience to help other visitors.
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Although the sun could shine quite brightly during the day, it was cooler in the evening. There were a few rain showers, but nothing disrupted our plans. I definitely recommend bringing a sweater for the cooler evenings.— This text is automatically translated to English
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Average weather in Chamonix-Mont-Blanc by month
Click on a month below to see detailed weather info for Chamonix-Mont-Blanc. Based on historical weather data, you can see the average temperature, precipitation, wind, and UV index for each day of the month.
Or check out the climate of Chamonix-Mont-Blanc for all months at once
