Zermatt Weather in August
Zermatt in August sees moderate daytime temperatures of 15°C (59°F) and nighttime lows of 5°C (41°F). As part of the rainy season, showers are frequent and often heavy. Budget around 180 mm (7.1 in) of rainfall for the month.
Rainfall in Zermatt in August
Zermatt is in the rainy season in August, with rain on around 19 days and an average of 180 mm (7.1 in). With rain on many days and solid totals, showers are frequent and often moderately heavy. Waterproof gear is a sensible idea.
Temperature in Zermatt in August
Expect highs of 15°C (59°F) in Zermatt in August, with nights dropping to around 5°C (41°F). This month falls in the summer season. Even when the weather is stable, mornings and evenings can still feel distinctly cool. Nights fall to 5°C (41°F), which is cold enough to feel it indoors too. A good thick duvet makes all the difference for a comfortable night's sleep.
Sunshine in Zermatt in August
The month experiences a moderate amount of sunlight, with 187 hours of sunshine. This provides a nice balance between sunshine and rain.Our weather planner can help you find worldwide destinations with pleasant weather during this period. August typically offers the best weather for Zermatt.
Check the conditions for any month of the year.
For a detailed overview over the year and the best time to visit Switzerland, check out our Zermatt's climate page.
Zermatt Temperature in August
Min Temperature
5°C (41°F)
Max Temperature
15°C (59°F)
Chance of Rain
62%
Precipitation
180 mm (7.1 in)
Rainy days
19 days
Humidity
70%
Sunshine
187 hours
Percentage Sunshine
68%
Daily Historical Temperatures
50-year average (1976-2025)
Based on our historical records, temperatures in Zermatt typically stay consistent throughout August, with daily highs averaging around 15°C (59°F). Nights are cold, with lows typically ranging from 6°C (43°F) to 9°C (48°F).
Average temperatures in August
Daily Historical Precipitation
50-year average (1976-2025)
Average daily rainfall for each day of the month based on long-term records.
Average precipitation in August
Historical weather for Zermatt in August
Browse day-by-day weather records for Zermatt spanning 51 years. Select any month and year to see actual temperatures, rainfall, and conditions recorded on each day.
Zermatt historical weather extremes in August
Our historical data for Zermatt spans 1976 to 2025, revealing these weather extremes.
- Zermatt recorded its highest August temperature of 35°C (95°F) on August 10, 1998.
- The lowest daytime temperature in August was 4°C (39°F), recorded on August 28, 2025.
- Nighttime temperatures dropped to -12°C (10°F) on August 31, 1978, marking the coldest August night on record.
- Peak precipitation in August occurred on August 28, 2023, when 56 mm (2.2 in) of precipitation was measured.
Best Places in Switzerland in August
Find out more about the weather in Switzerland and which places have the best travel conditions in this month. See all of Switzerland in August →
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What to Wear in Zermatt in August
The weather can swing between comfortable and chilly in August, so flexibility is key. Pack a variety of tops, at least one warm layer, and both shorts and long pants. This gives you options no matter what the day brings. It's going to pour! Pack a good poncho and prepare for very wet conditions. Sunglasses could come in handy during the sunnier parts of your trip.What To Do in Zermatt in August
We rated the following activities from 1 (least suitable) to 10 (best) to do.
Check the conditions for any month of the year.
For a detailed overview over the year and the best time to visit Switzerland, check out our Zermatt's climate page.
Temperature Rainfall Sunshine Humidity
See the full Zermatt climate overview or explore weather in Switzerland.
