Col de la Forclaz
The Col de la Forclaz is a mountain pass at 1527 m (Valais). Access: road; usually open toute l'année. The weather above is computed at the exact pass altitude; the “Snow, wind and freezing level” section gives 7-day snowfall, gusts and the snow line — check it before crossing by car, motorbike or bike.
Climate of Col de la Forclaz: 1991–2020 normals
In Col de la Forclaz (1527 m), the mean annual temperature is 5.4 °C. The warmest month is July (14.0 °C on average) and the coldest January (−2.6 °C). About 1744 mm of precipitation falls per year, peaking in November (197 mm) with a minimum in September (101 mm). The mean monthly maximum reaches 24.7 °C and the absolute minimum −12.4 °C.
Mean monthly precipitation (mm) — bar height relative to the wettest month.
| Month | Mean T | Abs. max | Abs. min | Precip. (mm) |
|---|---|---|---|---|
| Jan | −2.6 °C | 7.5 °C | −12.4 °C | 184 |
| Feb | −2.1 °C | 8.7 °C | −11.3 °C | 145 |
| Mar | 1.0 °C | 11.8 °C | −9.2 °C | 147 |
| Apr | 4.2 °C | 15.0 °C | −6.0 °C | 156 |
| May | 8.1 °C | 19.4 °C | −1.6 °C | 158 |
| Jun | 12.0 °C | 23.4 °C | 2.0 °C | 111 |
| Jul | 14.0 °C | 24.7 °C | 4.7 °C | 107 |
| Aug | 13.7 °C | 24.2 °C | 3.9 °C | 104 |
| Sep | 9.9 °C | 19.9 °C | 0.8 °C | 101 |
| Oct | 6.5 °C | 16.7 °C | −3.1 °C | 148 |
| Nov | 1.3 °C | 12.8 °C | −8.1 °C | 197 |
| Dec | −1.7 °C | 8.4 °C | −11.0 °C | 186 |
| Year | 5.4 °C | 24.7 °C | −12.4 °C | 1744 |
Source: MeteoSwiss open data (1991–2020 normals) — stations Evionnaz (14 km, 482 m), Les Attelas (21 km, 2734 m), Col du Grand St-Bernard (25 km, 2472 m), adjusted to the elevation of Col de la Forclaz (1527 m) using a 0.55 °C/100 m lapse rate. Indicative, rounded values.
Passes & summits
- Weather Mont-Fort (23 km · 3329 m)
- Weather Great St Bernard Pass (25 km · 2469 m)
- Weather Col de la Croix (31 km · 1778 m)
- Weather Glacier 3000 (Scex Rouge) (36 km · 2971 m)
- Weather Col du Pillon (36 km · 1546 m)
- Weather Col des Mosses (38 km · 1445 m)
Nearby municipalities
- Weather Trient (3 km)
- Weather Martigny-Combe (4 km)
- Weather Finhaut (4 km)
- Weather Salvan (5 km)
- Weather Bovernier (6 km)
- Weather Val de Bagnes (8 km)
- Weather Martigny (8 km)
- Weather Vernayaz (9 km)
Passes & summits Weather Trient
Frequently asked questions about the weather: Col de la Forclaz
Is the Col de la Forclaz open?
The Col de la Forclaz is usually accessible toute l'année. 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 Col de la Forclaz?
Expect about 6 °C less than in the lowlands (mean lapse rate 0.6 °C per 100 m). The mean annual temperature at 1527 m is about 5.4 °C; the coldest month is January (−2.6 °C).
Can it snow at the Col de la Forclaz 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 Col de la Forclaz?
The warmest month in Col de la Forclaz is July, averaging 14.0 °C (1991–2020 normal). The coldest is January at −2.6 °C.
How much does it rain in Col de la Forclaz per year?
Col de la Forclaz receives about 1744 mm of precipitation a year. The wettest month is November (197 mm), the driest September (101 mm).
When is the best time to visit Col de la Forclaz?
For warmth and sunshine: July (14.0 °C on average, — h of sun). The coldest month is January (−2.6 °C). Check the 15-day forecast above for your dates.