Climate of Valais, Switzerland
Area-weighted average across Valais. For where people actually live and travel, see the cities below.
Valais, a subdivision of Switzerland, has a seasonal climate on average. Area-weighted monthly temperatures across the whole territory range from -5.5°C / 22.1°F in January to 9.9°C / 49.8°F in August, with rainfall from 77 mm / 3 in to 101 mm / 4 in depending on the season (1078 mm / 42.4 in total across the year). See the city listed below for point-value climate at specific locations — these often differ from the area-weighted average, especially in geographically diverse subdivisions.
| Month | Temperature | Rainfall | Matches |
|---|---|---|---|
| January | -5.5°C22.1°F | 92 mm3.6″ | Snowy |
| February | -5.5°C22.1°F | 91 mm3.6″ | Snowy |
| March | -4.1°C24.6°F | 89 mm3.5″ | Snowy |
| April | -1.9°C28.6°F | 88 mm3.5″ | Snowy |
| May | 2.9°C37.2°F | 92 mm3.6″ | — |
| June | 6.3°C43.3°F | 90 mm3.5″ | — |
| July | 9.4°C48.9°F | 81 mm3.2″ | — |
| August | 9.9°C49.8°F | 86 mm3.4″ | — |
| September | 6.8°C44.2°F | 77 mm3″ | — |
| October | 2.9°C37.2°F | 94 mm3.7″ | — |
| November | -1.9°C28.6°F | 101 mm4″ | Snowy |
| December | -4.3°C24.3°F | 97 mm3.8″ | Snowy |
Frequently asked questions
What is the best time to visit Valais?
Valais, Switzerland does not have a clear sunny-and-dry window by our cutoffs. The warmest month is August at 9.9°C / 49.8°F, and the driest is September at 77 mm / 3 in — likely your best travel window. For city-level detail, see the cities section below.
What is the climate of Valais?
Valais, Switzerland has area-weighted monthly average temperatures ranging from -5.5°C / 22.1°F in January to 9.9°C / 49.8°F in August. Annual rainfall averages about 1078 mm / 42.4 in, with the wettest month being November (101 mm / 4 in) and the driest September (77 mm / 3 in). Because this is an area average across the whole subdivision, local city values can differ substantially.
What is the hottest month in Valais?
The hottest month in Valais is August, with an area-wide average temperature of 9.9°C / 49.8°F.
What is the coldest month in Valais?
The coldest month in Valais is January, with an area-wide average temperature of -5.5°C / 22.1°F.
When does it rain most in Valais?
The wettest month in Valais is November, averaging about 101 mm / 4 in of rainfall. The driest is September with about 77 mm / 3 in.