Temperature
Cool by day, cold at night.
Cool days and some sun. Some snow or mixed precipitation is possible.
Cool by day, cold at night.
Some snow or mixed precipitation is possible this month.
Wintry precipitation and cloud limit sunshine.
In October, afternoons feel about 54° and nights feel near 39°.
Mostly cloudy skies this month.
Calm winds are typical in October.
October late afternoons are around 56°F, easing to about 51°F in early evening.
| Month | High°F | Low°F | Rainin | Wet days | Sunh | Humidity% |
|---|---|---|---|---|---|---|
| Jan | 35 | 20 | 6.5 | 13 | 5.9 | 77 |
| Feb | 39 | 22 | 5.2 | 12 | 7.1 | 75 |
| Mar | 46 | 29 | 5.5 | 14 | 8.6 | 75 |
| Apr | 52 | 35 | 5.0 | 15 | 9.9 | 75 |
| May | 61 | 43 | 7.2 | 20 | 10.3 | 79 |
| Jun | 69 | 51 | 6.4 | 19 | 11.0 | 78 |
| Jul | 72 | 54 | 6.7 | 19 | 11.4 | 77 |
| Aug | 72 | 53 | 6.0 | 17 | 10.4 | 79 |
| Sep | 65 | 47 | 4.9 | 15 | 9.0 | 82 |
| Oct | 58 | 40 | 5.2 | 13 | 7.7 | 82 |
| Nov | 45 | 28 | 6.1 | 14 | 6.2 | 81 |
| Dec | 36 | 21 | 7.3 | 14 | 5.4 | 78 |
Similar climates
Want a side-by-side climate view? Compare Chamonix with Interlaken.
Typical monthly values are based on long-term climate records. Useful for planning, not a forecast. Check the weather before you travel.
Sunshine: source type is not yet identified at metric level.
Local microclimates can vary by beach, neighborhood, trail, or elevation.
Last updated: Jun 1, 2026
Data & methodology