🇨🇭 Weather in St. Moritz in April
This is what the weather in St. Moritz (Grisons, Switzerland) was like in April in 2017–2026.
Key facts at a glance
Avg. daytime high
4.3 °C
0.2 °C – 8.6 °C
Avg. night-time low
-4.2 °C
-7.9 °C – -1.8 °C
Avg. rain days in period
13.4
45 % of days · ≥ 1.0 mm
Avg. precipitation in period
76.9 mm
41.0 mm – 143 mm
Avg. cloud cover
67 %
This data source has no sunshine hours – average cloud cover shown instead.
Avg. sea temperature
–
No sea nearby – no sea temperature.
Extremes: Highest temperature 13.4 °C (25 Apr 2026) · Lowest temperature -17.0 °C (8 Apr 2021) · Avg. daily peak wind 11 km/h
Weather mix of all days
- 35Sunny
- 95Partly cloudy
- 36Cloudy
- 83Light rain
- 51Rain
Summary
- On average 4.3 °C during the day and -4.2 °C at night.
- On average 13.4 rain days (Rain day = at least 1.0 mm of precipitation) with 76.9 mm of precipitation in total.
- Prevailing: Partly cloudy.
- Warmest year: 2026 (avg. 8.6 °C), coolest: 2021 (avg. 0.2 °C).
- Wettest year: 2019 (143 mm), driest: 2026 (41.0 mm).
- Extremes: 13.4 °C on 25 Apr 2026 and -17.0 °C on 8 Apr 2021.
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. max8.6°Avg. min-1.8°- Rain days
- 7 Rain days
- Precipitation
- 41.0 mm
- Avg. cloud cover
- 53 % cloudy
- Sea temperature
- –
Max 13.4 °C · Min -13.5 °C
2025
Avg. max6.8°Avg. min-2.2°- Rain days
- 14 Rain days
- Precipitation
- 73.2 mm
- Avg. cloud cover
- 62 % cloudy
- Sea temperature
- –
Max 12.1 °C · Min -10.6 °C
2024
Avg. max1.4°Avg. min-5.5°- Rain days
- 16 Rain days
- Precipitation
- 91.6 mm
- Avg. cloud cover
- 78 % cloudy
- Sea temperature
- –
Max 10.3 °C · Min -14.8 °C
2023
Avg. max3.3°Avg. min-5.0°- Rain days
- 17 Rain days
- Precipitation
- 97.8 mm
- Avg. cloud cover
- 78 % cloudy
- Sea temperature
- –
Max 10.6 °C · Min -11.1 °C
2022
Avg. max5.1°Avg. min-4.6°- Rain days
- 12 Rain days
- Precipitation
- 67.7 mm
- Avg. cloud cover
- 67 % cloudy
- Sea temperature
- –
Max 12.4 °C · Min -13.1 °C
2021
Avg. max0.2°Avg. min-7.9°- Rain days
- 14 Rain days
- Precipitation
- 55.2 mm
- Avg. cloud cover
- 67 % cloudy
- Sea temperature
- –
Max 6.0 °C · Min -17.0 °C
2020
Avg. max6.0°Avg. min-2.7°- Rain days
- 10 Rain days
- Precipitation
- 45.2 mm
- Avg. cloud cover
- 55 % cloudy
- Sea temperature
- –
Max 11.4 °C · Min -14.8 °C
2019
Avg. max3.2°Avg. min-3.9°- Rain days
- 19 Rain days
- Precipitation
- 143 mm
- Avg. cloud cover
- 81 % cloudy
- Sea temperature
- –
Max 9.8 °C · Min -8.1 °C
2018
Avg. max3.7°Avg. min-3.2°- Rain days
- 13 Rain days
- Precipitation
- 74.2 mm
- Avg. cloud cover
- 65 % cloudy
- Sea temperature
- –
Max 11.2 °C · Min -15.6 °C
2017
Avg. max4.5°Avg. min-5.2°- Rain days
- 12 Rain days
- Precipitation
- 79.6 mm
- Avg. cloud cover
- 63 % cloudy
- Sea temperature
- –
Max 11.5 °C · Min -15.5 °C
Frequently asked questions
- How warm is it in St. Moritz in April?
- Daytime highs averaged 4.3 °C, night-time lows -4.2 °C. The highest value of the past 10 years was 13.4 °C (25 Apr 2026), the lowest -17.0 °C (8 Apr 2021).
- How often does it rain in St. Moritz in April?
- On average there were 13.4 rain days (at least 1 mm) with 76.9 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 April
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)