Measurements:
°C
°F
Chamonix
24°F
NW 6 mph
Feels like: 18°F
Precip: 0%
World Resorts France Chamonix Weather

7 Day Weather Forecast

12.18
thu
DAY
30°F
NW 6 mph
precip
0%
NIGHT
22°F
NW 9 mph
precip
0%
12.19
fri
DAY
34°F
N 1 mph
precip
0%
NIGHT
28°F
NW 4 mph
precip
100%
12.20
sat
DAY
32°F
NW 4 mph
precip
0%
NIGHT
28°F
NW 7 mph
precip
85%
12.21
sun
DAY
32°F
NW 7 mph
precip
76%
NIGHT
26°F
NW 8 mph
precip
79%
12.22
mon
DAY
30°F
NW 6 mph
precip
78%
NIGHT
26°F
NW 7 mph
precip
78%
12.23
tue
DAY
30°F
W 5 mph
precip
100%
NIGHT
24°F
NW 6 mph
precip
68%
12.24
wed
DAY
28°F
NW 4 mph
precip
57%
NIGHT
22°F
W 4 mph
precip
0%

Chamonix Sea Water Temperature in December, °F

Select Year: 2025 2024 2023

The average sea surface temperature in December 2025 for Chamonix was 9.3°F. The maximum and minimum values were 8.8°F and 9.9°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 65.1 °F
August 64.4 °F
June 61.3 °F
Warmest sea temperature:
August 72.1 °F
July 70.8 °F
September 67.5 °F
The most cold months:
January 24.5 °F
December 27.2 °F
February 27.8 °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