🇨🇭 Weather in Zermatt in July
This is what the weather in Zermatt (Valais, Switzerland) was like in July in 2017–2026.
Key facts at a glance
Avg. daytime high
15.8 °C
13.9 °C – 17.7 °C
Avg. night-time low
6.3 °C
5.0 °C – 7.5 °C
Avg. rain days in period
13.5
44 % of days · ≥ 1.0 mm
Avg. precipitation in period
79.8 mm
38.0 mm – 151 mm
Avg. sunshine per day
n/a
Sunshine duration is not available from this data source.
Avg. sea temperature
–
No sea nearby – no sea temperature.
Extremes: Highest temperature 22.2 °C (30 Jul 2026) · Lowest temperature -2.8 °C (9 Jul 2025) · Avg. daily peak wind 12 km/h
Weather mix of all days
- 67Sunny
- 84Partly cloudy
- 23Cloudy
- 80Light rain
- 55Rain
Summary
- On average 15.8 °C during the day and 6.3 °C at night.
- On average 13.5 rain days (Rain day = at least 1.0 mm of precipitation) with 79.8 mm of precipitation in total.
- Prevailing: Partly cloudy.
- Warmest year: 2022 (avg. 17.7 °C), coolest: 2025 (avg. 13.9 °C).
- Wettest year: 2021 (151 mm), driest: 2026 (38.0 mm).
- Extremes: 22.2 °C on 30 Jul 2026 and -2.8 °C on 9 Jul 2025.
Overall values from all 10 years. How is this calculated?
Charts
Temperatures per year
Average over your travel period
Precipitation & rain days
Year by year
2026
Avg. max17.5°Avg. min6.9°- Rain days
- 9 Rain days
- Precipitation
- 38.0 mm
- Avg. sunshine per day
- n/a
- Sea temperature
- –
Max 22.2 °C · Min 2.8 °C
2025
Avg. max13.9°Avg. min5.0°- Rain days
- 17 Rain days
- Precipitation
- 110 mm
- Avg. cloud cover
- 63 % cloudy
- Sea temperature
- –
Max 20.5 °C · Min -2.8 °C
2024
Avg. max16.7°Avg. min7.5°- Rain days
- 15 Rain days
- Precipitation
- 102 mm
- Avg. cloud cover
- 60 % cloudy
- Sea temperature
- –
Max 21.4 °C · Min 1.3 °C
2023
Avg. max15.9°Avg. min6.1°- Rain days
- 9 Rain days
- Precipitation
- 68.4 mm
- Avg. cloud cover
- 61 % cloudy
- Sea temperature
- –
Max 21.0 °C · Min 0.6 °C
2022
Avg. max17.7°Avg. min7.4°- Rain days
- 8 Rain days
- Precipitation
- 46.1 mm
- Avg. cloud cover
- 35 % cloudy
- Sea temperature
- –
Max 21.2 °C · Min 2.6 °C
2021
Avg. max14.4°Avg. min5.1°- Rain days
- 19 Rain days
- Precipitation
- 151 mm
- Avg. cloud cover
- 68 % cloudy
- Sea temperature
- –
Max 18.3 °C · Min 1.4 °C
2020
Avg. max15.6°Avg. min5.6°- Rain days
- 12 Rain days
- Precipitation
- 50.8 mm
- Avg. cloud cover
- 49 % cloudy
- Sea temperature
- –
Max 19.5 °C · Min -1.4 °C
2019
Avg. max15.9°Avg. min6.9°- Rain days
- 14 Rain days
- Precipitation
- 77.4 mm
- Avg. cloud cover
- 60 % cloudy
- Sea temperature
- –
Max 20.8 °C · Min 2.7 °C
2018
Avg. max15.9°Avg. min6.7°- Rain days
- 16 Rain days
- Precipitation
- 71.9 mm
- Avg. cloud cover
- 48 % cloudy
- Sea temperature
- –
Max 20.1 °C · Min 4.3 °C
2017
Avg. max14.4°Avg. min5.5°- Rain days
- 16 Rain days
- Precipitation
- 82.9 mm
- Avg. cloud cover
- 67 % cloudy
- Sea temperature
- –
Max 19.2 °C · Min 0.9 °C
Frequently asked questions
- How warm is it in Zermatt in July?
- Daytime highs averaged 15.8 °C, night-time lows 6.3 °C. The highest value of the past 10 years was 22.2 °C (30 Jul 2026), the lowest -2.8 °C (9 Jul 2025).
- How often does it rain in Zermatt in July?
- On average there were 13.5 rain days (at least 1 mm) with 79.8 mm of precipitation in total.
Check your exact travel dates
Choose your travel period – we show the weather for exactly those days.
Other destinations in July
Data sources
- Weather data
- Data obtained from the NASA Langley Research Center (LaRC) POWER Project funded through the NASA Earth Science/Applied Science Program
Reanalysis (weather model constrained by observations) on a coarse grid of about 50 km. Values represent a large area and can differ from local conditions, especially on islands, coasts and in mountains. No sunshine duration.
Reanalysis (weather model constrained by observations)
Reanalysis values represent a grid cell (approx. 25–50 km) and may differ from local measurements on coasts, islands and in mountains. - Sea temperature
- MUR SST data were provided by JPL under support by NASA MEaSUREs program; accessed via NOAA CoastWatch ERDDAP
Daily multi-scale ultra-high resolution (≈ 1 km) analysis of satellite measurements (infrared, microwave) and in-situ data. Represents the foundation temperature below the daily warm surface layer. (Satellite and in-situ analysis) - Place search
- Natural Earth (public domain) · GeoNames (CC BY 4.0) / OpenStreetMap (ODbL)