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.
Humidity is rarely noticeable in the cool air.
In April, afternoons feel about 46° and nights feel near 33°.
Mostly cloudy skies this month.
Calm winds are typical in April.
April late afternoons are around 51°F, easing to about 48°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