How warm is it in St. Moritz in October?

Daytime highs averaged 7.8 °C, night-time lows -0.6 °C. The highest value of the past 10 years was 18.5 °C (1 Oct 2023), the lowest -7.9 °C (12 Oct 2016).

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

On average there were 14.1 rain days (at least 1 mm) with 116 mm of precipitation in total.

🇨🇭 Weather in St. Moritz in October

This is what the weather in St. Moritz (Grisons, Switzerland) was like in October in 2016–2025.

Key facts at a glance

Prevailing weather: Partly cloudy

Avg. daytime high

7.8 °C

4.6 °C – 10.5 °C

Avg. night-time low

-0.6 °C

-2.9 °C – 2.3 °C

Avg. rain days in period

14.1

45 % of days · ≥ 1.0 mm

Avg. precipitation in period

116 mm

34.4 mm – 184 mm

Avg. cloud cover

64 %

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

Avg. sea temperature

–

No sea nearby – no sea temperature.

Extremes: Highest temperature 18.5 °C (1 Oct 2023) · Lowest temperature -7.9 °C (12 Oct 2016) · Avg. daily peak wind 11 km/h

Weather mix of all days

50Sunny
88Partly cloudy
31Cloudy
80Light rain
61Rain

Summary

On average 7.8 °C during the day and -0.6 °C at night.
On average 14.1 rain days (Rain day = at least 1.0 mm of precipitation) with 116 mm of precipitation in total.
Prevailing: Partly cloudy.
Warmest year: 2022 (avg. 10.5 °C), coolest: 2020 (avg. 4.6 °C).
Wettest year: 2023 (184 mm), driest: 2017 (34.4 mm).
Extremes: 18.5 °C on 1 Oct 2023 and -7.9 °C on 12 Oct 2016.

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

Temperatures per year

Average over your travel period

Precipitation & rain days

Year by year

2025
Avg. max7.1°Avg. min-1.8°
Rain days
13 Rain days
Precipitation
60.7 mm
Avg. cloud cover
61 % cloudy
Sea temperature
–
Max 14.7 °C · Min -7.7 °C
2024
Avg. max8.2°Avg. min1.4°
Rain days
20 Rain days
Precipitation
162 mm
Avg. cloud cover
72 % cloudy
Sea temperature
–
Max 12.1 °C · Min -4.6 °C
2023
Avg. max10.1°Avg. min1.1°
Rain days
15 Rain days
Precipitation
184 mm
Avg. cloud cover
65 % cloudy
Sea temperature
–
Max 18.5 °C · Min -5.5 °C
2022
Avg. max10.5°Avg. min2.3°
Rain days
14 Rain days
Precipitation
100 mm
Avg. cloud cover
64 % cloudy
Sea temperature
–
Max 14.8 °C · Min -0.6 °C
2021
Avg. max6.6°Avg. min-1.6°
Rain days
10 Rain days
Precipitation
59.6 mm
Avg. cloud cover
56 % cloudy
Sea temperature
–
Max 10.1 °C · Min -6.0 °C
2020
Avg. max4.6°Avg. min-2.9°
Rain days
18 Rain days
Precipitation
179 mm
Avg. cloud cover
79 % cloudy
Sea temperature
–
Max 11.0 °C · Min -7.8 °C
2019
Avg. max8.5°Avg. min0.0°
Rain days
17 Rain days
Precipitation
133 mm
Avg. cloud cover
66 % cloudy
Sea temperature
–
Max 12.1 °C · Min -5.3 °C
2018
Avg. max8.3°Avg. min-0.3°
Rain days
11 Rain days
Precipitation
167 mm
Avg. cloud cover
57 % cloudy
Sea temperature
–
Max 13.6 °C · Min -7.2 °C
2017
Avg. max8.7°Avg. min-1.4°
Rain days
9 Rain days
Precipitation
34.4 mm
Avg. cloud cover
56 % cloudy
Sea temperature
–
Max 15.1 °C · Min -7.2 °C
2016
Avg. max5.6°Avg. min-2.8°
Rain days
14 Rain days
Precipitation
74.9 mm
Avg. cloud cover
65 % cloudy
Sea temperature
–
Max 9.7 °C · Min -7.9 °C

Frequently asked questions

How warm is it in St. Moritz in October?: Daytime highs averaged 7.8 °C, night-time lows -0.6 °C. The highest value of the past 10 years was 18.5 °C (1 Oct 2023), the lowest -7.9 °C (12 Oct 2016).
How often does it rain in St. Moritz in October?: On average there were 14.1 rain days (at least 1 mm) with 116 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)