Average Temperatures for Switzerland in August

Average temperatures for August at cities throughout Switzerland are listed below in degrees Celsius and Fahrenheit.

The tables give the normals for maximum and minimum monthly temperatures based on weather data collected from 1991 to 2020.

Western Switzerland

This section covers the mainly French speaking portion of Switzerland. It includes the area around Lake Geneva and the cantons of Fribourg, Geneva, Jura, Neuchâtel, Valais and Vaud.

Some of the weather stations are at high elevations in the Valais (or Pennine) Alps of southwestern Switzerland. Great St. Bernard Pass (Col du Grand St-Bernard) is the highest point on this list at 2472 metres (8110 feet). Also above 1400 metres (or 4600 feet) are Chasseral mountain and the resort towns of Zermatt and Montana.

Average August temperatures
High °F Low °F Place High °C Low °C
60 49 Chasseral 16 9
53 42 Great St Bernard Pass  12 6
64 47 Evolène 18 9
74 55 Fribourg 24 13
79 58 Geneva (Genève) 26 14
68 50 Grächen 20 10
69 50 La Chaux-de-Fonds  21 10
69 50 Montana 20 10
76 59 Neuchâel (Neuenburg) 25 15
77 58 Nyon 25 14
77 56 Payerne 25 13
76 61 Lausanne 25 16
80 57 Sion (Sitten) 27 14
67 47 Zermatt 20 8

Central & Northern Switzerland

Most places on this list are below 1000 metres (3280 feet) elevation where the weather is relatively mild. A little cooler are the ski resort villages of Adelboden in the Bernese Oberland and Engelberg in Obwalden canton.

The sites here with the coldest weather are two mountain peaks. Säntis, near Schwägalp, at 2502 metres (8209 feet) elevation is the highest point in the Appenzell Alps.

Even higher is the weather station at 3580 metres (11,745 feet), above Jungfraujoch pass of the Bernese Alps, a spot known as the "Top of Europe".

Average daily temperatures in August
High °F Low °F Place High °C Low °C
67 50 Adelboden 19 10
78 59 Basel 25 15
76 55 Bern (Bären) 24 13
77 56 Aarau 25 14
69 51 Engelberg 21 11
56 43 Gütsch 13 6
75 57 Güttingen 24 14
75 56 Interlaken 24 14
38 29 Jungfraujoch 4 -2
76 58 Lucerne (Luzern) 24 14
55 45 Mount Pilatus 13 7
49 40 Säntis 10 5
76 57 Schaffhausen 25 14
70 56 St. Gallen 21 14
75 58 Wädenswil 24 15
75 58 Zürich 24 14

Eastern Switzerland

This list includes two low-elevation cities, Locarno and Lugano, in the canton of Ticino of south-east Switzerland.

Several places here in the canton of Graubünden are mountain resort towns, including Davos, Scuol and Samedan, which sit above 1500 metres (4921 feet) elevation.

High-altitude locations include Gütsch located above Andermatt at 2286 m. On Weissfluhjoch, a peak in the Plessur Range above Davos, weather is reported from just below the summit, at 2690 metres (8825 feet) elevation. On Piz Corvatsch, near Silvaplana in the Bernina Range, the weather is measured at 3305 metres (10,843 feet).

August temperatures: daily averages
High °F Low °F Place High °C Low °C
60 47 Arosa 16 8
77 58 Chur 25 14
65 52 Cimetta 18 11
65 46 Davos 18 8
70 52 Disentis (Mustér) 21 11
74 56 Glarus 23 14
80 64 Locarno 27 18
80 64 Lugano 27 18
42 33 Piz Corvatsch  5 1
64 47 San Bernardino 18 9
66 40 Samedan 19 5
73 49 Scuol 23 9
81 60 Stabio 27 15
51 39 Weissfluhjoch 11 4
Reference

Swiss federal authorities. Federal Office of Meteorology and Climatology MeteoSwiss. Normal values per measured parameter.

Switzerland Temperatures
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