How warm is it in St. Moritz in January?

Daytime highs averaged -4.9 °C, night-time lows -14.1 °C. The highest value of the past 10 years was 3.4 °C (1 Jan 2022), the lowest -25.8 °C (20 Jan 2024).

How often does it rain in St. Moritz in January?

On average there were 11.5 rain days (at least 1 mm) with 61.0 mm of precipitation in total.

🇨🇭 Weather in St. Moritz in January

This is what the weather in St. Moritz (Grisons, Switzerland) was like in January in 2017–2026.

Key facts at a glance

Prevailing weather: Partly cloudy

Avg. daytime high

-4.9 °C

-7.9 °C – -2.9 °C

Avg. night-time low

-14.1 °C

-17.2 °C – -11.9 °C

Avg. rain days in period

11.5

37 % of days · ≥ 1.0 mm

Avg. precipitation in period

61.0 mm

22.6 mm – 122 mm

Avg. cloud cover

72 %

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

Avg. sea temperature

–

No sea nearby – no sea temperature.

Extremes: Highest temperature 3.4 °C (1 Jan 2022) · Lowest temperature -25.8 °C (20 Jan 2024) · Avg. daily peak wind 11 km/h

Weather mix of all days

1Sunny
130Partly cloudy
64Cloudy
79Light rain
36Rain

Summary

On average -4.9 °C during the day and -14.1 °C at night.
On average 11.5 rain days (Rain day = at least 1.0 mm of precipitation) with 61.0 mm of precipitation in total.
Prevailing: Partly cloudy.
Warmest year: 2018 (avg. -2.9 °C), coolest: 2019 (avg. -7.9 °C).
Wettest year: 2021 (122 mm), driest: 2022 (22.6 mm).
Extremes: 3.4 °C on 1 Jan 2022 and -25.8 °C on 20 Jan 2024.

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-5.3°Avg. min-14.2°
Rain days
11 Rain days
Precipitation
42.7 mm
Avg. cloud cover
77 % cloudy
Sea temperature
–
Max -0.9 °C · Min -23.8 °C
2025
Avg. max-3.5°Avg. min-13.7°
Rain days
15 Rain days
Precipitation
100 mm
Avg. cloud cover
78 % cloudy
Sea temperature
–
Max -0.1 °C · Min -24.3 °C
2024
Avg. max-3.5°Avg. min-12.2°
Rain days
14 Rain days
Precipitation
64.0 mm
Avg. cloud cover
75 % cloudy
Sea temperature
–
Max 1.6 °C · Min -25.8 °C
2023
Avg. max-5.1°Avg. min-13.9°
Rain days
10 Rain days
Precipitation
30.5 mm
Avg. cloud cover
78 % cloudy
Sea temperature
–
Max 0.2 °C · Min -21.6 °C
2022
Avg. max-4.2°Avg. min-13.9°
Rain days
4 Rain days
Precipitation
22.6 mm
Avg. cloud cover
56 % cloudy
Sea temperature
–
Max 3.4 °C · Min -19.8 °C
2021
Avg. max-7.1°Avg. min-16.3°
Rain days
20 Rain days
Precipitation
122 mm
Avg. cloud cover
80 % cloudy
Sea temperature
–
Max 0.0 °C · Min -24.6 °C
2020
Avg. max-3.0°Avg. min-12.2°
Rain days
4 Rain days
Precipitation
23.6 mm
Avg. cloud cover
62 % cloudy
Sea temperature
–
Max 1.8 °C · Min -22.7 °C
2019
Avg. max-7.9°Avg. min-17.2°
Rain days
13 Rain days
Precipitation
56.7 mm
Avg. cloud cover
68 % cloudy
Sea temperature
–
Max -1.5 °C · Min -25.3 °C
2018
Avg. max-2.9°Avg. min-11.9°
Rain days
16 Rain days
Precipitation
114 mm
Avg. cloud cover
80 % cloudy
Sea temperature
–
Max 2.1 °C · Min -16.8 °C
2017
Avg. max-6.6°Avg. min-15.6°
Rain days
8 Rain days
Precipitation
33.3 mm
Avg. cloud cover
65 % cloudy
Sea temperature
–
Max -1.0 °C · Min -23.6 °C

Frequently asked questions

How warm is it in St. Moritz in January?: Daytime highs averaged -4.9 °C, night-time lows -14.1 °C. The highest value of the past 10 years was 3.4 °C (1 Jan 2022), the lowest -25.8 °C (20 Jan 2024).
How often does it rain in St. Moritz in January?: On average there were 11.5 rain days (at least 1 mm) with 61.0 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)