Current sea water temperature:
+75.2°F
| Minimum sea water temperature in August: | 77.9°F |
| Maximum sea water temperature in August: | 32.0°F |
| Average sea water temperature in August: | 69.9°F |
| more information | |
14 days
forecast
forecast
| Chamonix |
monthly
weather
weather
| Chamonix |
Sea water temperature for the last 10 days:
| August 5 | 75.2°F | July 31 | 75.6°F |
| August 4 | 76.8°F | July 30 | 76.3°F |
| August 3 | 76.3°F | July 29 | 74.5°F |
| August 2 | 77.0°F | July 28 | 74.7°F |
| August 1 | 75.7°F | July 27 | 73.9°F |
Monthly sea water temperature, °F
When is the warmest sea in Chamonix?
Based on the data about daily sea water temperature for the last three years the warmest sea in Chamonix was noticed in August, July and September.
Monthly Sea Temperatures in Chamonix, °F
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.
Sea water temperature in July, °F
Show year:
2026
2025
2024
The average sea water temperature in July of 2026 was 76.1°F. The highest and lowest sea temperatures during the month were 79.9°F and 73.9°F.
Sea water temperature in September, °F
Show year:
2025
2024
2023
The average sea water temperature in September of 2025 was 68.1°F. The highest and lowest sea temperatures during the month were 71.6°F and 64.8°F.
current
weather
weather
| Chamonix |
weather in
August
August
| Chamonix |
Best time for vacation in Chamonix
Chamonix on a weather map
Places in France:
Name
°F
24 Hours Forecast
Chamonix
Local time: 22:50
August 06, thursday
0000

55°F
W
1 mph
1 mph
0300

54°F
NE
1 mph
1 mph
0600

50°F
E
1 mph
1 mph
0900

59°F
SE
2 mph
2 mph
1200

66°F
SE
5 mph
5 mph
1500

66°F
SE
6 mph
6 mph
1800

64°F
SE
6 mph
6 mph
2100

55°F
S
3 mph
3 mph



























