Measurements:
°C
°F
Chamonix
64°F
NW 2 mph
Feels like: 64°F
Precip: 3%
World Resorts France Chamonix Weather

7 Day Weather Forecast

10.19
mon
DAY
58°F
NW 3 mph
precip
6%
NIGHT
38°F
NW 8 mph
precip
20%
10.20
tue
DAY
54°F
NW 6 mph
precip
21%
NIGHT
48°F
SW 1 mph
precip
31%
10.21
wed
DAY
44°F
E 6 mph
precip
78%
NIGHT
36°F
NE 2 mph
precip
44%
10.22
thu
DAY
44°F
SE 3 mph
precip
3%
NIGHT
30°F
N 5 mph
precip
20%
10.23
fri
DAY
40°F
NE 7 mph
precip
83%
NIGHT
38°F
E 5 mph
precip
52%
10.24
sat
DAY
40°F
NE 6 mph
precip
26%
NIGHT
36°F
NE 2 mph
precip
29%
10.25
sun
DAY
40°F
N 8 mph
precip
85%
NIGHT
42°F
NE 5 mph
precip
85%

Chamonix Sea Water Temperature in October, °F

Select Year: 2026 2025 2024

The average sea surface temperature in October 2026 for Chamonix was 18.7°F. The maximum and minimum values were 17.0°F and 19.9°F respectively.

Chamonix on the Weather Map

Best Time to Visit Chamonix
The most sunny months:
August 17 days
October 16 days
July 15 days
The most warm months:
July 65.3 °F
August 64.6 °F
June 61.4 °F
Warmest sea temperature:
August 72.6 °F
July 71.3 °F
September 67.8 °F
The most cold months:
January 24.5 °F
December 27.4 °F
February 27.9 °F
The most rainy months:
June 11 days
May 10 days
July 9 days
The most windy months:
January 4 mph
December 4 mph
February 4 mph