Zermatt weather in August
Temperature, sea and sunshine in August: long-term averages from 30 years of weather data, not a forecast.
Holiday weather in August
Fair
Best time to visit: July
Best for skiing: November – April
What is the weather like in Zermatt in August?
In August, Zermatt is mild: daytime highs average 20 °C, and nights cool down to about 11 °C. Expect around 6 hours of sunshine a day. It rains often – on about 22 days, adding up to 167 mm. All in all, August is a so-so month for a holiday in Zermatt.
August compared
How the weather changes from July to September. Tap a month to open it.
| JulyJul | AugustAug | SeptemberSep | |
|---|---|---|---|
| Score | 60 | 59 | 56 |
| Day | 20° | 20° | 16° |
| Night | 12° | 11° | 7° |
| Sun | 6 h | 6 h | 5 h |
| Rain days | 24 | 22 | 18 |
More details for August
- Daylight
- 14 h 13 min06:27 – 20:40
- UV index
- 8 · very highclear sky, noon (estimate)All months
- Muggy days
- 0 daysdew point 18 °C or more
- Wind
- 7 km/haverage daily peak
- Cloud cover
- 56 %on average
- Hot days
- 0 days30 °C or more
- Snow days
- 1 day1 cm or more of fresh snow
- Time zone
- UTC+2Europe/Zurich
How the score comes together
- Temperatureweight 50 %100 %
- Sunshineweight 20 %45 %
- Few rainy daysweight 30 %0 %
Each factor is rated from 0 to 100 % and weighted for the travel style “Mountain air”.
What to pack in August
- Sunscreen
- Sunglasses & sun hat
- A jumper for the evenings
- Rain jacket or umbrella
Zermatt in August: quick answers
Is Zermatt hot in August?
No. In August, Zermatt is mild: daytime highs average 20 °C and nights drop to about 11 °C.
Does it rain much in Zermatt in August?
It rains often – on about 22 days, adding up to 167 mm.
Zermatt month by month
The whole year in ZermattAll destinations: SwitzerlandWhere to go in August
Climate averages 1996–2025, not a forecast. Data: Copernicus ERA5 / ERA5-Land via Open-Meteo.com (CC BY 4.0), NOAA OISST, WMO 1991–2020 (NOAA NCEI), GeoNames (CC BY 4.0)