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Chamonix weather in January

Weather in Chamonix: January

Average day temperature: 27.1°F
Average night temperature: 15.2°F
Sea water temperature: 44.4°F
Number of sunny days: 11 days
Day length: 8.7 - 9.7 hours
Number of days with precipitation: 6 days
Precipitation totals: 4.6 in.

Air temperature in January, °F

Show year:
2025
2024
2023

The highest day temperature during January of 2025 was 37°F. At the same time the lowest night temperature was 1°F. Daily and nightly averages during January were 29.7°F and 21.4°F.

Sea water temperature in Chamonix in January, °F

Show year:
2025
2024
2023

The average sea water temperature in January of 2025 was 46.1°F. The highest and lowest sea temperatures during the month were 47.1°F and 44.8°F.

Sunny, partly cloudy and cloudy days

Mostly all days in January are cloudy but sunny and partly cloudy days are also possible.

Precipitation total in January, in.

Precipitation total value in Chamonix in January is 5.3 in. Other months of the year show relatively similar values.

Wind speed in January, mph

The average wind speed value in January is 5.0 mph It makes January most windy month of the year.

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 January is: 4.8.

Best time for vacation in Chamonix

Sunniest months:
August 17 days
October 16 days
July 15 days
Warmest months:
July 63.6 °F
August 62.9 °F
June 60.1 °F
Warmest sea temp:
August 69.9 °F
July 68.7 °F
September 65.7 °F
Coldest months:
January 27.1 °F
December 29.5 °F
February 30.0 °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
+21°F
SE 2 mph
Feels like: +18°F
Precip.: 100%
Places in France:
Name
°F
+48°F
+50°F
+50°F
+45°F
+46°F
+52°F
+46°F
+50°F
+46°F
+45°F
+37°F
+45°F
+46°F
+43°F
+45°F
24 Hours Forecast
Chamonix
Local time: 06:26
December 05, friday
0900
21°F
SW
1 mph
1200
27°F
SE
4 mph
1500
27°F
SE
3 mph
1800
21°F
N
1 mph
2100
16°F
NW
6 mph
December 06, saturday
0000
21°F
N
5 mph
0300
23°F
N
6 mph
0600
27°F
N
6 mph
Units of measurement: °C / °F