Chamonix-Mont-Blanc Monthly Climate Averages

The following ski resorts are located close to Chamonix-Mont-Blanc: Brevent, Flegere, Les Praz, Grands Montets – Argentiere. High season with the best snow conditions are typically December, January, February, March, April, although the resorts themselves open in November and close in May. Nevertheless, you can still enjoy the fresh air and view during the off season.

To help you choose the best time to travel, you can find climate data below on the weather in Chamonix-Mont-Blanc .


Month	t°C day	t°C night	mm rain	daylight

January	+2.6	-7.2	94	9.7h
February	+4.8	-6.4	86	10.9h
March	+9	-3	86	12.5h
April	+12.7	+0.4	90	14.1h
May	+17.6	+4.8	121	15.6h
June	+21.2	+7.5	130	16.3h
July	+23.9	+9.1	116	15.9h
August	+23.1	+8.6	125	14.6h
September	+19.1	+6	102	13h
October	+14.7	+2.5	117	11.4h
November	+7.4	-2.1	101	10h
December	+2.6	-5.7	109	9.3h

Best places

Temperature in Chamonix-Mont-Blanc

The table shows that the hottest months in Chamonix-Mont-Blanc are July and August, during which the average daytime temperature reaches +23.9°C and the nighttime temperature falls to +9.1°C.

The coldest months are January and December, when the daily average temperature falls to +2.6°C, and drops to -7.2°C during the night.

Most booked hotels in Chamonix-Mont-Blanc

Search flights to Chamonix-Mont-Blanc