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Chamonix weather in July

Weather in Chamonix: July

Average day temperature: 63.7°F
Average night temperature: 45.8°F
Sea water temperature: 69.2°F
Number of sunny days: 15 days
Day length: 14.8 - 15.7 hours
Number of rainy days: 9 days
Precipitation totals: 4.6 in.

Air temperature in July, °F

Show year:
2026
2025
2024

The highest day temperature during July of 2026 was 73°F. At the same time the lowest night temperature was 41°F. Daily and nightly averages during July were 65.5°F and 49.5°F.

Sea water temperature in Chamonix in July, °F

Show year:
2026
2025
2024

The average sea water temperature in July of 2026 was 76.2°F. The highest and lowest sea temperatures during the month were 79.9°F and 73.9°F.

Sunny, partly cloudy and cloudy days

Number of sunny, partly cloudy and cloudy days in July is almost equal.

Precipitation total in July, in.

Precipitation total value in Chamonix in July is 3.8 in. Other months of the year show relatively similar values.

Wind speed in July, mph

The average wind speed value in July is 4.2 mph

Average sunny hours

This chart shows average number of hours during the day when sunlight can reach the ground. It depends on day length and cloudiness during the day. The average number of sunny hours in July is: 9.4.

Best time for vacation in Chamonix

Sunniest months:
August 17 days
October 16 days
July 15 days
Warmest months:
July 63.7 °F
August 62.9 °F
June 60.3 °F
Warmest sea temp:
August 69.9 °F
July 69.2 °F
September 65.7 °F
Coldest months:
January 27.0 °F
December 29.7 °F
February 30.1 °F
Rainiest months:
June 11 days
May 10 days
July 9 days
Windiest months:
January 4.9 mph
December 4.8 mph
February 4.7 mph

Chamonix on a weather map

Chamonix
+73°F
SE 4 mph
Feels like: +75°F
Precip.: 1%
Places in France:
Name
°F
+82°F
+86°F
+81°F
+84°F
+86°F
+82°F
+81°F
+86°F
+84°F
+91°F
+88°F
+84°F
+86°F
+99°F
+72°F
24 Hours Forecast
Chamonix
Local time: 15:42
July 28, tuesday
1800
70°F
SE
5 mph
2100
59°F
SE
1 mph
July 29, wednesday
0000
59°F
NW
4 mph
0300
57°F
NW
4 mph
0600
55°F
NW
4 mph
0900
64°F
NE
2 mph
1200
70°F
E
4 mph
1500
73°F
E
6 mph
Units of measurement: °C / °F