World Resorts France Chamonix Weather

Chamonix 7 Days Forecast

06.08
thu
Day
64°F
SE 5 mph
Precip.
28%
Night
52°F
NW 1 mph
Precip.
13%
07.08
fri
Day
66°F
SE 5 mph
Precip.
3%
Night
52°F
NW 1 mph
Precip.
11%
08.08
sat
Day
68°F
SE 4 mph
Precip.
1%
Night
55°F
NW 4 mph
Precip.
5%
09.08
sun
Day
72°F
SE 1 mph
Precip.
1%
Night
59°F
NW 4 mph
Precip.
4%
10.08
mon
Day
73°F
NE 1 mph
Precip.
1%
Night
55°F
W 4 mph
Precip.
23%
11.08
tue
Day
70°F
E 5 mph
Precip.
1%
Night
55°F
N 2 mph
Precip.
14%
12.08
wed
Day
66°F
SE 4 mph
Precip.
2%
Night
55°F
W 2 mph
Precip.
11%

Sea water temperature in August, °F

Show year:
2025
2024
2023

The average sea water temperature in August of 2025 was 72.9°F. The highest and lowest sea temperatures during the month were 75.4°F and 70.7°F.

Air temperature in Chamonix, °F

Precipitation total in Chamonix, in.

* Charts above show average data for the last 3 years.

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
+55°F
N 1 mph
Feels like: +55°F
Precip.: 33%
Places in France:
Name
°F
+79°F
+66°F
+63°F
+75°F
+72°F
+84°F
+81°F
+84°F
+79°F
+68°F
+79°F
+79°F
+81°F
+73°F
+64°F
24 Hours Forecast
Chamonix
Local time: 00:26
August 06, thursday
0300
54°F
E
1 mph
0600
52°F
SE
1 mph
0900
59°F
SE
2 mph
1200
64°F
SE
5 mph
1500
64°F
SE
6 mph
1800
63°F
SE
6 mph
2100
55°F
S
3 mph
August 07, friday
0000
52°F
NW
1 mph
Units of measurement: °C / °F