How warm is it in St. Moritz in June?

Daytime highs averaged 15.4 °C, night-time lows 5.5 °C. The highest value of the past 10 years was 25.1 °C (26 Jun 2019), the lowest -2.6 °C (7 Jun 2017).

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

On average there were 19.0 rain days (at least 1 mm) with 143 mm of precipitation in total.

🇨🇭 Weather in St. Moritz in June

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

Key facts at a glance

Prevailing weather: Light rain

Avg. daytime high

15.4 °C

12.6 °C – 17.7 °C

Avg. night-time low

5.5 °C

3.1 °C – 7.2 °C

Avg. rain days in period

19.0

63 % of days · ≥ 1.0 mm

Avg. precipitation in period

143 mm

78.5 mm – 237 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 25.1 °C (26 Jun 2019) · Lowest temperature -2.6 °C (7 Jun 2017) · Avg. daily peak wind 11 km/h

Weather mix of all days

30Sunny
63Partly cloudy
17Cloudy
100Light rain
90Rain

Summary

On average 15.4 °C during the day and 5.5 °C at night.
On average 19.0 rain days (Rain day = at least 1.0 mm of precipitation) with 143 mm of precipitation in total.
Prevailing: Light rain.
Warmest year: 2025 (avg. 17.7 °C), coolest: 2020 (avg. 12.6 °C).
Wettest year: 2024 (237 mm), driest: 2018 (78.5 mm).
Extremes: 25.1 °C on 26 Jun 2019 and -2.6 °C on 7 Jun 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. max16.5°Avg. min6.2°
Rain days
20 Rain days
Precipitation
126 mm
Avg. cloud cover
65 % cloudy
Sea temperature
–
Max 23.3 °C · Min -2.2 °C
2025
Avg. max17.7°Avg. min7.2°
Rain days
14 Rain days
Precipitation
128 mm
Avg. cloud cover
53 % cloudy
Sea temperature
–
Max 23.5 °C · Min -1.1 °C
2024
Avg. max13.5°Avg. min4.8°
Rain days
26 Rain days
Precipitation
237 mm
Avg. cloud cover
82 % cloudy
Sea temperature
–
Max 19.4 °C · Min -1.4 °C
2023
Avg. max15.1°Avg. min5.2°
Rain days
20 Rain days
Precipitation
177 mm
Avg. cloud cover
63 % cloudy
Sea temperature
–
Max 20.2 °C · Min 1.4 °C
2022
Avg. max16.2°Avg. min5.7°
Rain days
18 Rain days
Precipitation
147 mm
Avg. cloud cover
61 % cloudy
Sea temperature
–
Max 21.3 °C · Min -0.3 °C
2021
Avg. max14.9°Avg. min5.5°
Rain days
19 Rain days
Precipitation
84.7 mm
Avg. cloud cover
73 % cloudy
Sea temperature
–
Max 20.0 °C · Min 1.9 °C
2020
Avg. max12.6°Avg. min3.1°
Rain days
22 Rain days
Precipitation
181 mm
Avg. cloud cover
72 % cloudy
Sea temperature
–
Max 19.1 °C · Min -1.8 °C
2019
Avg. max16.8°Avg. min6.6°
Rain days
16 Rain days
Precipitation
89.7 mm
Avg. cloud cover
56 % cloudy
Sea temperature
–
Max 25.1 °C · Min 2.7 °C
2018
Avg. max14.8°Avg. min4.5°
Rain days
17 Rain days
Precipitation
78.5 mm
Avg. cloud cover
63 % cloudy
Sea temperature
–
Max 18.8 °C · Min -2.2 °C
2017
Avg. max15.7°Avg. min5.7°
Rain days
18 Rain days
Precipitation
180 mm
Avg. cloud cover
66 % cloudy
Sea temperature
–
Max 21.4 °C · Min -2.6 °C

Frequently asked questions

How warm is it in St. Moritz in June?: Daytime highs averaged 15.4 °C, night-time lows 5.5 °C. The highest value of the past 10 years was 25.1 °C (26 Jun 2019), the lowest -2.6 °C (7 Jun 2017).
How often does it rain in St. Moritz in June?: On average there were 19.0 rain days (at least 1 mm) with 143 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)