🇨🇭 Weather in St. Moritz in July
This is what the weather in St. Moritz (Grisons, Switzerland) was like in July in 2017–2026.
Key facts at a glance
Avg. daytime high
16.7 °C
14.8 °C – 18.6 °C
Avg. night-time low
6.8 °C
5.6 °C – 8.4 °C
Avg. rain days in period
19.4
63 % of days · ≥ 1.0 mm
Avg. precipitation in period
135 mm
65.7 mm – 226 mm
Avg. sunshine per day
n/a
Sunshine duration is not available from this data source.
Avg. sea temperature
–
No sea nearby – no sea temperature.
Extremes: Highest temperature 23.0 °C (30 Jul 2026) · Lowest temperature -1.6 °C (9 Jul 2025) · Avg. daily peak wind 11 km/h
Weather mix of all days
- 37Sunny
- 74Partly cloudy
- 5Cloudy
- 109Light rain
- 85Rain
Summary
- On average 16.7 °C during the day and 6.8 °C at night.
- On average 19.4 rain days (Rain day = at least 1.0 mm of precipitation) with 135 mm of precipitation in total.
- Prevailing: Light rain.
- Warmest year: 2026 (avg. 18.6 °C), coolest: 2025 (avg. 14.8 °C).
- Wettest year: 2021 (226 mm), driest: 2026 (65.7 mm).
- Extremes: 23.0 °C on 30 Jul 2026 and -1.6 °C on 9 Jul 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
2026
Avg. max18.6°Avg. min7.2°- Rain days
- 12 Rain days
- Precipitation
- 65.7 mm
- Avg. sunshine per day
- n/a
- Sea temperature
- –
Max 23.0 °C · Min 1.3 °C
2025
Avg. max14.8°Avg. min5.6°- Rain days
- 24 Rain days
- Precipitation
- 205 mm
- Avg. cloud cover
- 69 % cloudy
- Sea temperature
- –
Max 18.8 °C · Min -1.6 °C
2024
Avg. max17.3°Avg. min8.4°- Rain days
- 21 Rain days
- Precipitation
- 135 mm
- Avg. cloud cover
- 62 % cloudy
- Sea temperature
- –
Max 21.7 °C · Min 0.3 °C
2023
Avg. max16.5°Avg. min7.1°- Rain days
- 21 Rain days
- Precipitation
- 166 mm
- Avg. cloud cover
- 63 % cloudy
- Sea temperature
- –
Max 21.3 °C · Min -0.1 °C
2022
Avg. max18.1°Avg. min7.4°- Rain days
- 10 Rain days
- Precipitation
- 110 mm
- Avg. cloud cover
- 46 % cloudy
- Sea temperature
- –
Max 21.3 °C · Min 1.9 °C
2021
Avg. max15.4°Avg. min6.1°- Rain days
- 24 Rain days
- Precipitation
- 226 mm
- Avg. cloud cover
- 72 % cloudy
- Sea temperature
- –
Max 19.2 °C · Min 1.8 °C
2020
Avg. max16.7°Avg. min6.3°- Rain days
- 20 Rain days
- Precipitation
- 118 mm
- Avg. cloud cover
- 55 % cloudy
- Sea temperature
- –
Max 20.9 °C · Min -0.1 °C
2019
Avg. max16.8°Avg. min7.2°- Rain days
- 24 Rain days
- Precipitation
- 93.2 mm
- Avg. cloud cover
- 69 % cloudy
- Sea temperature
- –
Max 22.7 °C · Min 1.4 °C
2018
Avg. max16.7°Avg. min6.7°- Rain days
- 17 Rain days
- Precipitation
- 114 mm
- Avg. cloud cover
- 55 % cloudy
- Sea temperature
- –
Max 21.5 °C · Min 3.6 °C
2017
Avg. max15.5°Avg. min5.9°- Rain days
- 21 Rain days
- Precipitation
- 120 mm
- Avg. cloud cover
- 68 % cloudy
- Sea temperature
- –
Max 19.8 °C · Min 0.3 °C
Frequently asked questions
- How warm is it in St. Moritz in July?
- Daytime highs averaged 16.7 °C, night-time lows 6.8 °C. The highest value of the past 10 years was 23.0 °C (30 Jul 2026), the lowest -1.6 °C (9 Jul 2025).
- How often does it rain in St. Moritz in July?
- On average there were 19.4 rain days (at least 1 mm) with 135 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 July
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)