Jungfraujoch
The Jungfraujoch rises to 3454 m (Bern, 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 Jungfraujoch: 1991–2020 normals
In Jungfraujoch (3454 m), the mean annual temperature is −6.1 °C. The warmest month is August (1.3 °C on average) and the coldest February (−12.6 °C). About 1648 mm of precipitation falls per year, peaking in July (204 mm) with a minimum in February (93 mm). The sun shines for about 1810 hours a year, mostly in August (188 h). On average there are 339 frost days per year. The mean monthly maximum reaches 10.0 °C and the absolute minimum −23.9 °C.
Mean monthly precipitation (mm) — bar height relative to the wettest month.
| Month | Mean T | Abs. max | Abs. min | Precip. (mm) | Sunshine (h) | Frost days | Summer days |
|---|---|---|---|---|---|---|---|
| Jan | −11.9 °C | −1.6 °C | −23.9 °C | 100 | 122 | 31 | 0 |
| Feb | −12.6 °C | −1.2 °C | −23.9 °C | 93 | 124 | 28 | 0 |
| Mar | −10.9 °C | −0.4 °C | −22.7 °C | 102 | 161 | 31 | 0 |
| Apr | −8.7 °C | 1.3 °C | −19.2 °C | 115 | 162 | 30 | 0 |
| May | −4.5 °C | 5.1 °C | −14.0 °C | 170 | 159 | 31 | 0 |
| Jun | −0.9 °C | 9.3 °C | −9.9 °C | 177 | 175 | 26 | 0 |
| Jul | 1.0 °C | 10.0 °C | −7.4 °C | 204 | 187 | 22 | 0 |
| Aug | 1.3 °C | 10.0 °C | −7.6 °C | 204 | 188 | 21 | 0 |
| Sep | −1.7 °C | 7.2 °C | −11.4 °C | 131 | 175 | 28 | 0 |
| Oct | −4.2 °C | 4.8 °C | −15.3 °C | 112 | 145 | 30 | 0 |
| Nov | −8.6 °C | 1.7 °C | −20.0 °C | 112 | 108 | 30 | 0 |
| Dec | −11.0 °C | −1.0 °C | −22.7 °C | 127 | 104 | 31 | 0 |
| Year | −6.1 °C | 10.0 °C | −23.9 °C | 1648 | 1810 | 339 | 0 |
Source: MeteoSwiss open data (1991–2020 normals) — stations Jungfraujoch (0 km, 3571 m), Eggishorn (16 km, 2892 m), Interlaken (16 km, 578 m), adjusted to the elevation of Jungfraujoch (3454 m) using a 0.55 °C/100 m lapse rate. Indicative, rounded values.
Passes & summits
- Weather Kleine Scheidegg (5 km · 2061 m)
- Weather Männlichen (8 km · 2343 m)
- Weather Schilthorn (Piz Gloria) (12 km · 2970 m)
- Weather Aletsch Glacier (13 km · 2300 m)
- Weather First (Grindelwald) (13 km · 2168 m)
- Weather Grosse Scheidegg (15 km · 1962 m)
Nearby municipalities
- Weather Fieschertal (0 km)
- Weather Lauterbrunnen (1 km)
- Weather Grindelwald (11 km)
- Weather Lütschental (11 km)
- Weather Gsteigwiler (13 km)
- Weather Gündlischwand (13 km)
- Weather Wilderswil (14 km)
- Weather Saxeten (15 km)
Passes & summits Weather Fieschertal
Frequently asked questions about the weather: Jungfraujoch
Is the Jungfraujoch open?
The Jungfraujoch 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 Jungfraujoch?
Expect about 18 °C less than in the lowlands (mean lapse rate 0.6 °C per 100 m). The mean annual temperature at 3454 m is about −6.1 °C; the coldest month is February (−12.6 °C).
Can it snow at the Jungfraujoch 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 Jungfraujoch?
The warmest month in Jungfraujoch is August, averaging 1.3 °C (1991–2020 normal). The coldest is February at −12.6 °C.
How much does it rain in Jungfraujoch per year?
Jungfraujoch receives about 1648 mm of precipitation a year. The wettest month is July (204 mm), the driest February (93 mm).
When is the best time to visit Jungfraujoch?
For warmth and sunshine: August (1.3 °C on average, 188 h of sun). The coldest month is February (−12.6 °C). Check the 15-day forecast above for your dates.