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Chamonix weather in April

Weather in Chamonix: April

Average day temperature: 42.3°F
Average night temperature: 27.8°F
Sea water temperature: 49.0°F
Number of sunny days: 10 days
Day length: 12.8 - 14.3 hours
Number of days with precipitation: 7 days
Precipitation totals: 3.4 in.

Air temperature in April, °F

Show year:
2025
2024
2023

The highest day temperature during April of 2025 was 60°F. At the same time the lowest night temperature was 16°F. Daily and nightly averages during April were 50.4°F and 31.0°F.

Sea water temperature in Chamonix in April, °F

Show year:
2025
2024
2023

The average sea water temperature in April of 2025 was 51.6°F. The highest and lowest sea temperatures during the month were 56.8°F and 47.7°F.

Sunny, partly cloudy and cloudy days

Number of sunny, partly cloudy and cloudy days in April is almost equal.

Precipitation total in April, in.

Precipitation total value in Chamonix in April is 2.7 in. Other months of the year show relatively similar values.

Wind speed in April, mph

The average wind speed value in April is 4.4 mph

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 April is: 6.6.

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 29.7 °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
+16°F
N 6 mph
Feels like: +7°F
Precip.: 0%
Places in France:
Name
°F
+25°F
+45°F
+43°F
+36°F
+46°F
+46°F
+48°F
+48°F
+39°F
+45°F
+39°F
+48°F
+37°F
+16°F
+43°F
24 Hours Forecast
Chamonix
Local time: 20:16
January 01, thursday
2100
16°F
N
6 mph
January 02, friday
0000
14°F
NE
6 mph
0300
14°F
N
6 mph
0600
12°F
NE
6 mph
0900
14°F
NE
6 mph
1200
25°F
NE
7 mph
1500
23°F
E
7 mph
1800
16°F
NE
6 mph
Units of measurement: °C / °F