Gornergrat
The Gornergrat rises to 3089 m (Valais). Access: railway; season: toute l'année. 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 Gornergrat: 1991–2020 normals
In Gornergrat (3089 m), the mean annual temperature is −2.3 °C. The warmest month is August (5.5 °C on average) and the coldest February (−9.1 °C). About 870 mm of precipitation falls per year, peaking in May (105 mm) with a minimum in February (40 mm). On average there are 275 frost days per year. The mean monthly maximum reaches 14.5 °C and the absolute minimum −20.5 °C.
Mean monthly precipitation (mm) — bar height relative to the wettest month.
| Month | Mean T | Abs. max | Abs. min | Precip. (mm) | Frost days | Summer days |
|---|---|---|---|---|---|---|
| Jan | −8.6 °C | 1.4 °C | −20.5 °C | 57 | 31 | 0 |
| Feb | −9.1 °C | 1.7 °C | −20.2 °C | 40 | 28 | 0 |
| Mar | −7.4 °C | 2.2 °C | −19.5 °C | 46 | 31 | 0 |
| Apr | −4.9 °C | 4.7 °C | −15.3 °C | 55 | 30 | 0 |
| May | −0.9 °C | 8.9 °C | −10.4 °C | 105 | 27 | 0 |
| Jun | 3.2 °C | 13.5 °C | −6.3 °C | 94 | 15 | 0 |
| Jul | 5.4 °C | 14.4 °C | −3.5 °C | 80 | 8 | 0 |
| Aug | 5.5 °C | 14.5 °C | −4.1 °C | 93 | 8 | 0 |
| Sep | 2.4 °C | 11.9 °C | −7.1 °C | 69 | 16 | 0 |
| Oct | −0.2 °C | 9.5 °C | −11.5 °C | 78 | 23 | 0 |
| Nov | −5.1 °C | 7.0 °C | −16.9 °C | 88 | 29 | 0 |
| Dec | −7.5 °C | 2.3 °C | −19.0 °C | 65 | 31 | 0 |
| Year | −2.3 °C | 14.5 °C | −20.5 °C | 870 | 275 | 0 |
Source: MeteoSwiss open data (1991–2020 normals) — stations Gornergrat (0 km, 3129 m), Zermatt (6 km, 1638 m), Grächen (24 km, 1605 m), adjusted to the elevation of Gornergrat (3089 m) using a 0.55 °C/100 m lapse rate. Indicative, rounded values.
Passes & summits
- Weather Klein Matterhorn (Matterhorn Glacier Paradise) (6 km · 3883 m)
- Weather Mittelallalin (14 km · 3500 m)
- Weather Simplon Pass (35 km · 2005 m)
- Weather Mont-Fort (39 km · 3329 m)
- Weather Gemmi Pass (48 km · 2270 m)
- Weather Great St Bernard Pass (49 km · 2469 m)
Nearby municipalities
- Weather Zermatt (2 km)
- Weather Täsch (8 km)
- Weather Randa (12 km)
- Weather Saas-Fee (15 km)
- Weather Saas-Almagell (17 km)
- Weather Saas-Balen (19 km)
- Weather St. Niklaus (20 km)
- Weather Saas-Grund (22 km)
Passes & summits Weather Zermatt
Frequently asked questions about the weather: Gornergrat
Is the Gornergrat open?
The Gornergrat 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 Gornergrat?
Expect about 16 °C less than in the lowlands (mean lapse rate 0.6 °C per 100 m). The mean annual temperature at 3089 m is about −2.3 °C; the coldest month is February (−9.1 °C).
Can it snow at the Gornergrat 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 Gornergrat?
The warmest month in Gornergrat is August, averaging 5.5 °C (1991–2020 normal). The coldest is February at −9.1 °C.
How much does it rain in Gornergrat per year?
Gornergrat receives about 870 mm of precipitation a year. The wettest month is May (105 mm), the driest February (40 mm).
When is the best time to visit Gornergrat?
For warmth and sunshine: August (5.5 °C on average, — h of sun). The coldest month is February (−9.1 °C). Check the 15-day forecast above for your dates.