🇨🇭 Weather in Zermatt in October
This is what the weather in Zermatt (Valais, Switzerland) was like in October in 2016–2025.
Key facts at a glance
Avg. daytime high
7.3 °C
4.2 °C – 10.4 °C
Avg. night-time low
-0.9 °C
-3.3 °C – 2.1 °C
Avg. rain days in period
13.5
44 % of days · ≥ 1.0 mm
Avg. precipitation in period
94.6 mm
29.9 mm – 158 mm
Avg. cloud cover
65 %
This data source has no sunshine hours – average cloud cover shown instead.
Avg. sea temperature
–
No sea nearby – no sea temperature.
Extremes: Highest temperature 18.0 °C (1 Oct 2023) · Lowest temperature -9.7 °C (28 Oct 2025) · Avg. daily peak wind 13 km/h
Weather mix of all days
- 48Sunny
- 87Partly cloudy
- 40Cloudy
- 75Light rain
- 60Rain
Summary
- On average 7.3 °C during the day and -0.9 °C at night.
- On average 13.5 rain days (Rain day = at least 1.0 mm of precipitation) with 94.6 mm of precipitation in total.
- Prevailing: Partly cloudy.
- Warmest year: 2022 (avg. 10.4 °C), coolest: 2020 (avg. 4.2 °C).
- Wettest year: 2020 (158 mm), driest: 2017 (29.9 mm).
- Extremes: 18.0 °C on 1 Oct 2023 and -9.7 °C on 28 Oct 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
2025
Avg. max6.2°Avg. min-2.2°- Rain days
- 12 Rain days
- Precipitation
- 83.0 mm
- Avg. cloud cover
- 70 % cloudy
- Sea temperature
- –
Max 13.9 °C · Min -9.7 °C
2024
Avg. max7.3°Avg. min0.7°- Rain days
- 22 Rain days
- Precipitation
- 146 mm
- Avg. cloud cover
- 72 % cloudy
- Sea temperature
- –
Max 11.4 °C · Min -3.6 °C
2023
Avg. max9.0°Avg. min0.9°- Rain days
- 14 Rain days
- Precipitation
- 125 mm
- Avg. cloud cover
- 64 % cloudy
- Sea temperature
- –
Max 18.0 °C · Min -5.6 °C
2022
Avg. max10.4°Avg. min2.1°- Rain days
- 13 Rain days
- Precipitation
- 76.6 mm
- Avg. cloud cover
- 69 % cloudy
- Sea temperature
- –
Max 15.1 °C · Min -0.8 °C
2021
Avg. max6.6°Avg. min-2.0°- Rain days
- 8 Rain days
- Precipitation
- 47.1 mm
- Avg. cloud cover
- 56 % cloudy
- Sea temperature
- –
Max 11.2 °C · Min -5.5 °C
2020
Avg. max4.2°Avg. min-3.3°- Rain days
- 17 Rain days
- Precipitation
- 158 mm
- Avg. cloud cover
- 81 % cloudy
- Sea temperature
- –
Max 10.0 °C · Min -8.4 °C
2019
Avg. max7.8°Avg. min-0.5°- Rain days
- 21 Rain days
- Precipitation
- 133 mm
- Avg. cloud cover
- 71 % cloudy
- Sea temperature
- –
Max 13.3 °C · Min -7.4 °C
2018
Avg. max7.7°Avg. min-0.6°- Rain days
- 9 Rain days
- Precipitation
- 95.9 mm
- Avg. cloud cover
- 51 % cloudy
- Sea temperature
- –
Max 12.1 °C · Min -8.1 °C
2017
Avg. max8.1°Avg. min-1.3°- Rain days
- 8 Rain days
- Precipitation
- 29.9 mm
- Avg. cloud cover
- 55 % cloudy
- Sea temperature
- –
Max 14.5 °C · Min -5.9 °C
2016
Avg. max5.6°Avg. min-2.5°- Rain days
- 11 Rain days
- Precipitation
- 51.4 mm
- Avg. cloud cover
- 64 % cloudy
- Sea temperature
- –
Max 10.9 °C · Min -6.3 °C
Frequently asked questions
- How warm is it in Zermatt in October?
- Daytime highs averaged 7.3 °C, night-time lows -0.9 °C. The highest value of the past 10 years was 18.0 °C (1 Oct 2023), the lowest -9.7 °C (28 Oct 2025).
- How often does it rain in Zermatt in October?
- On average there were 13.5 rain days (at least 1 mm) with 94.6 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 October
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)