Mont-Fort
The Mont-Fort rises to 3329 m (Valais). Access: cable car; season: hiver + été. The weather above is computed at summit altitude; the “Snow, wind and freezing level” section shows 7-day snowfall, wind, gusts and the snow line — to pick the right day (visibility, cold, wind).
Climate of Mont-Fort: 1991–2020 normals
In Mont-Fort (3329 m), the mean annual temperature is −4.1 °C. The warmest month is July (3.9 °C on average) and the coldest February (−11.0 °C). About 906 mm of precipitation falls per year, peaking in July (103 mm) with a minimum in March (54 mm). The mean monthly maximum reaches 13.2 °C and the absolute minimum −22.9 °C.
Mean monthly precipitation (mm) — bar height relative to the wettest month.
| Month | Mean T | Abs. max | Abs. min | Precip. (mm) |
|---|---|---|---|---|
| Jan | −10.5 °C | −0.6 °C | −22.9 °C | 70 |
| Feb | −11.0 °C | −0.6 °C | −21.6 °C | 56 |
| Mar | −9.2 °C | 0.2 °C | −20.5 °C | 54 |
| Apr | −6.5 °C | 2.3 °C | −16.6 °C | 57 |
| May | −2.6 °C | 6.7 °C | −11.9 °C | 91 |
| Jun | 1.5 °C | 11.9 °C | −7.9 °C | 88 |
| Jul | 3.9 °C | 13.2 °C | −5.0 °C | 103 |
| Aug | 3.6 °C | 12.5 °C | −5.8 °C | 99 |
| Sep | 0.2 °C | 9.2 °C | −9.0 °C | 63 |
| Oct | −2.4 °C | 6.3 °C | −12.8 °C | 67 |
| Nov | −7.0 °C | 4.1 °C | −18.0 °C | 73 |
| Dec | −9.5 °C | −0.1 °C | −20.6 °C | 86 |
| Year | −4.1 °C | 13.2 °C | −22.9 °C | 906 |
Source: MeteoSwiss open data (1991–2020 normals) — stations Les Attelas (3 km, 2734 m), Sion (15 km, 482 m), Evolène / Villa (16 km, 1825 m), adjusted to the elevation of Mont-Fort (3329 m) using a 0.55 °C/100 m lapse rate. Indicative, rounded values.
Passes & summits
- Weather Col de la Forclaz (23 km · 1527 m)
- Weather Great St Bernard Pass (26 km · 2469 m)
- Weather Col de la Croix (29 km · 1778 m)
- Weather Glacier 3000 (Scex Rouge) (30 km · 2971 m)
- Weather Col du Pillon (31 km · 1546 m)
- Weather Klein Matterhorn (Matterhorn Glacier Paradise) (37 km · 3883 m)
Nearby municipalities
- Weather Isérables (8 km)
- Weather Sembrancher (10 km)
- Weather Saxon (11 km)
- Weather Riddes (11 km)
- Weather Chamoson (12 km)
- Weather Nendaz (12 km)
- Weather Orsières (12 km)
- Weather Liddes (13 km)
Passes & summits Weather Isérables
Frequently asked questions about the weather: Mont-Fort
Is the Mont-Fort open?
The Mont-Fort is usually accessible hiver + été. The official status depends on snow and roadworks (check TCS or the canton); the snow forecast above helps anticipate closures.
How cold is it at the Mont-Fort?
Expect about 17 °C less than in the lowlands (mean lapse rate 0.6 °C per 100 m). The mean annual temperature at 3329 m is about −4.1 °C; the coldest month is February (−11.0 °C).
Can it snow at the Mont-Fort in summer?
Yes: above 2000 m, snow can fall in any season during cold spells. Watch the freezing level and the forecast snowfall in the dedicated section.
What is the warmest month in Mont-Fort?
The warmest month in Mont-Fort is July, averaging 3.9 °C (1991–2020 normal). The coldest is February at −11.0 °C.
How much does it rain in Mont-Fort per year?
Mont-Fort receives about 906 mm of precipitation a year. The wettest month is July (103 mm), the driest March (54 mm).
When is the best time to visit Mont-Fort?
For warmth and sunshine: July (3.9 °C on average, — h of sun). The coldest month is February (−11.0 °C). Check the 15-day forecast above for your dates.