How warm is it in Zermatt in January?

Daytime highs averaged -5.0 °C, night-time lows -13.6 °C. The highest value of the past 10 years was 4.2 °C (1 Jan 2022), the lowest -23.7 °C (16 Jan 2017).

How often does it rain in Zermatt in January?

On average there were 12.4 rain days (at least 1 mm) with 71.3 mm of precipitation in total.

🇨🇭 Weather in Zermatt in January

This is what the weather in Zermatt (Valais, Switzerland) was like in January in 2017–2026.

Key facts at a glance

Prevailing weather: Partly cloudy

Avg. daytime high

-5.0 °C

-7.6 °C – -2.7 °C

Avg. night-time low

-13.6 °C

-16.7 °C – -10.3 °C

Avg. rain days in period

12.4

40 % of days · ≥ 1.0 mm

Avg. precipitation in period

71.3 mm

23.8 mm – 203 mm

Avg. cloud cover

75 %

This data source has no sunshine hours – average cloud cover shown instead.

Avg. sea temperature

–

No sea nearby – no sea temperature.

Extremes: Highest temperature 4.2 °C (1 Jan 2022) · Lowest temperature -23.7 °C (16 Jan 2017) · Avg. daily peak wind 14 km/h

Weather mix of all days

11Sunny
102Partly cloudy
73Cloudy
77Light rain
47Rain

Summary

On average -5.0 °C during the day and -13.6 °C at night.
On average 12.4 rain days (Rain day = at least 1.0 mm of precipitation) with 71.3 mm of precipitation in total.
Prevailing: Partly cloudy.
Warmest year: 2018 (avg. -2.7 °C), coolest: 2019 (avg. -7.6 °C).
Wettest year: 2018 (203 mm), driest: 2022 (23.8 mm).
Extremes: 4.2 °C on 1 Jan 2022 and -23.7 °C on 16 Jan 2017.

Overall values from all 10 years. How is this calculated?

Temperatures per year

Average over your travel period

Precipitation & rain days

Year by year

2026
Avg. max-5.8°Avg. min-14.8°
Rain days
14 Rain days
Precipitation
45.1 mm
Avg. cloud cover
79 % cloudy
Sea temperature
–
Max -0.6 °C · Min -23.0 °C
2025
Avg. max-3.5°Avg. min-12.9°
Rain days
17 Rain days
Precipitation
91.0 mm
Avg. cloud cover
79 % cloudy
Sea temperature
–
Max 0.3 °C · Min -19.7 °C
2024
Avg. max-3.7°Avg. min-11.7°
Rain days
14 Rain days
Precipitation
75.5 mm
Avg. cloud cover
82 % cloudy
Sea temperature
–
Max 1.8 °C · Min -22.5 °C
2023
Avg. max-5.2°Avg. min-13.8°
Rain days
11 Rain days
Precipitation
47.8 mm
Avg. cloud cover
82 % cloudy
Sea temperature
–
Max 0.1 °C · Min -22.3 °C
2022
Avg. max-3.8°Avg. min-12.2°
Rain days
5 Rain days
Precipitation
23.8 mm
Avg. cloud cover
55 % cloudy
Sea temperature
–
Max 4.2 °C · Min -17.8 °C
2021
Avg. max-7.2°Avg. min-15.3°
Rain days
20 Rain days
Precipitation
105 mm
Avg. cloud cover
86 % cloudy
Sea temperature
–
Max -0.7 °C · Min -21.7 °C
2020
Avg. max-3.1°Avg. min-12.0°
Rain days
6 Rain days
Precipitation
31.1 mm
Avg. cloud cover
58 % cloudy
Sea temperature
–
Max 0.0 °C · Min -19.5 °C
2019
Avg. max-7.6°Avg. min-16.2°
Rain days
10 Rain days
Precipitation
49.1 mm
Avg. cloud cover
79 % cloudy
Sea temperature
–
Max -0.8 °C · Min -22.7 °C
2018
Avg. max-2.7°Avg. min-10.3°
Rain days
18 Rain days
Precipitation
203 mm
Avg. cloud cover
84 % cloudy
Sea temperature
–
Max 1.6 °C · Min -16.8 °C
2017
Avg. max-7.5°Avg. min-16.7°
Rain days
9 Rain days
Precipitation
41.4 mm
Avg. cloud cover
71 % cloudy
Sea temperature
–
Max -0.6 °C · Min -23.7 °C

Frequently asked questions

How warm is it in Zermatt in January?: Daytime highs averaged -5.0 °C, night-time lows -13.6 °C. The highest value of the past 10 years was 4.2 °C (1 Jan 2022), the lowest -23.7 °C (16 Jan 2017).
How often does it rain in Zermatt in January?: On average there were 12.4 rain days (at least 1 mm) with 71.3 mm of precipitation in total.

Check your exact travel dates

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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)