🇨🇭 Weather in Interlaken in August
This is what the weather in Interlaken (Bernese Oberland, Switzerland) was like in August in 2017–2026.
Key facts at a glance
Avg. daytime high
17.8 °C
15.4 °C – 20.5 °C
Avg. night-time low
8.6 °C
6.7 °C – 10.3 °C
Avg. rain days in period
16.9
55 % of days · ≥ 1.0 mm
Avg. precipitation in period
162 mm
109 mm – 247 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 25.4 °C (24 Aug 2023) · Lowest temperature -0.4 °C (26 Aug 2018) · Avg. daily peak wind 10 km/h
Weather mix of all days
- 58Sunny
- 58Partly cloudy
- 10Cloudy
- 94Light rain
- 75Rain
Summary
- On average 17.8 °C during the day and 8.6 °C at night.
- On average 16.9 rain days (Rain day = at least 1.0 mm of precipitation) with 162 mm of precipitation in total.
- Prevailing: Light rain.
- Warmest year: 2026 (avg. 20.5 °C), coolest: 2021 (avg. 15.4 °C).
- Wettest year: 2020 (247 mm), driest: 2022 (109 mm).
- Extremes: 25.4 °C on 24 Aug 2023 and -0.4 °C on 26 Aug 2018.
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. max20.5°Avg. min10.3°- Rain days
- 16 Rain days
- Precipitation
- 149 mm
- Avg. sunshine per day
- n/a
- Sea temperature
- –
Max 24.8 °C · Min 3.2 °C
2025
Avg. max17.6°Avg. min8.3°- Rain days
- 13 Rain days
- Precipitation
- 174 mm
- Avg. cloud cover
- 44 % cloudy
- Sea temperature
- –
Max 23.8 °C · Min 3.0 °C
2024
Avg. max19.1°Avg. min10.3°- Rain days
- 17 Rain days
- Precipitation
- 111 mm
- Avg. cloud cover
- 48 % cloudy
- Sea temperature
- –
Max 23.1 °C · Min 7.5 °C
2023
Avg. max17.6°Avg. min8.2°- Rain days
- 18 Rain days
- Precipitation
- 211 mm
- Avg. cloud cover
- 62 % cloudy
- Sea temperature
- –
Max 25.4 °C · Min 0.7 °C
2022
Avg. max18.6°Avg. min9.0°- Rain days
- 14 Rain days
- Precipitation
- 109 mm
- Avg. cloud cover
- 48 % cloudy
- Sea temperature
- –
Max 24.1 °C · Min 5.9 °C
2021
Avg. max15.4°Avg. min6.7°- Rain days
- 16 Rain days
- Precipitation
- 121 mm
- Avg. cloud cover
- 60 % cloudy
- Sea temperature
- –
Max 22.5 °C · Min 3.0 °C
2020
Avg. max16.8°Avg. min7.8°- Rain days
- 17 Rain days
- Precipitation
- 247 mm
- Avg. cloud cover
- 59 % cloudy
- Sea temperature
- –
Max 22.7 °C · Min 0.8 °C
2019
Avg. max17.3°Avg. min8.1°- Rain days
- 20 Rain days
- Precipitation
- 194 mm
- Avg. cloud cover
- 56 % cloudy
- Sea temperature
- –
Max 22.0 °C · Min 2.8 °C
2018
Avg. max17.5°Avg. min9.1°- Rain days
- 23 Rain days
- Precipitation
- 149 mm
- Avg. cloud cover
- 55 % cloudy
- Sea temperature
- –
Max 22.2 °C · Min -0.4 °C
2017
Avg. max17.4°Avg. min7.9°- Rain days
- 15 Rain days
- Precipitation
- 156 mm
- Avg. cloud cover
- 58 % cloudy
- Sea temperature
- –
Max 22.4 °C · Min 1.5 °C
Frequently asked questions
- How warm is it in Interlaken in August?
- Daytime highs averaged 17.8 °C, night-time lows 8.6 °C. The highest value of the past 10 years was 25.4 °C (24 Aug 2023), the lowest -0.4 °C (26 Aug 2018).
- How often does it rain in Interlaken in August?
- On average there were 16.9 rain days (at least 1 mm) with 162 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 August
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)