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The best time to visit Chamonix
January, February, March, July, August and September — daytime highs 4–23°C. Every number on this page is measured, not guessed.
Chamonix month by month
| Month | Day | Night | Wet days | |
|---|---|---|---|---|
| January | 4°C | -4°C | 14 | Best |
| February | 7°C | -3°C | 13 | Best |
| March | 8°C | -1°C | 14 | Best |
| April | 12°C | 2°C | 14 | Shoulder |
| May | 15°C | 6°C | 19 | |
| June | 21°C | 11°C | 17 | Shoulder |
| July | 23°C | 12°C | 14 | Best |
| August | 23°C | 12°C | 12 | Best |
| September | 18°C | 9°C | 14 | Best |
| October | 15°C | 5°C | 12 | Shoulder |
| November | 9°C | 0°C | 14 | |
| December | 5°C | -3°C | 14 | Shoulder |
The short version
Warmest: July, around 23°C by day. Coolest: January, around 4°C by day and -4°C at night. Wettest: May with about 19 wet days. Driest: August with about 12.
If you want fewer people: April, June, October, December sit right beside the best months. The weather is close and the crowds are not.
Book it for those months
Prices climb as the good months fill up.
Common questions
When is the best time to visit Chamonix?
The best months are January, February, March, July, August and September, when daytime highs sit 4–23°C.
What is the hottest month in Chamonix?
July, with daytime highs around 23°C.
What is the wettest month in Chamonix?
May, with about 19 wet days. The driest is August with about 12.
When is the cheapest time to visit Chamonix?
Prices follow the weather. The months either side of the best ones — April, June, October, December — are usually cheaper with similar conditions.
Temperatures and wet days are measured, not estimated: ERA5 reanalysis for 2021-2023, at Chamonix, Rhône-Alpes. Source: Open-Meteo. Hotel and activity links are partner links — the price you pay is the same.