🇨🇿 Weather in Prague in August
This is what the weather in Prague (Czechia) was like in August in 2017–2026.
Key facts at a glance
Avg. daytime high
26.4 °C
22.0 °C – 29.1 °C
Avg. night-time low
14.7 °C
12.3 °C – 16.1 °C
Avg. rain days in period
11.7
38 % of days · ≥ 1.0 mm
Avg. precipitation in period
86.5 mm
39.7 mm – 139 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 39.4 °C (4 Aug 2026) · Lowest temperature 6.4 °C (24 Aug 2025) · Avg. daily peak wind 18 km/h
Weather mix of all days
- 48Sunny
- 79Partly cloudy
- 46Cloudy
- 63Light rain
- 54Rain
Summary
- On average 26.4 °C during the day and 14.7 °C at night.
- On average 11.7 rain days (Rain day = at least 1.0 mm of precipitation) with 86.5 mm of precipitation in total.
- Prevailing: Partly cloudy.
- Warmest year: 2018 (avg. 29.1 °C), coolest: 2021 (avg. 22.0 °C).
- Wettest year: 2023 (139 mm), driest: 2025 (39.7 mm).
- Extremes: 39.4 °C on 4 Aug 2026 and 6.4 °C on 24 Aug 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. max28.4°Avg. min15.3°- Rain days
- 11 Rain days
- Precipitation
- 79.4 mm
- Avg. sunshine per day
- n/a
- Sea temperature
- –
Max 39.4 °C · Min 10.0 °C
2025
Avg. max26.6°Avg. min13.3°- Rain days
- 7 Rain days
- Precipitation
- 39.7 mm
- Avg. cloud cover
- 52 % cloudy
- Sea temperature
- –
Max 35.6 °C · Min 6.4 °C
2024
Avg. max27.8°Avg. min16.1°- Rain days
- 12 Rain days
- Precipitation
- 70.8 mm
- Avg. cloud cover
- 50 % cloudy
- Sea temperature
- –
Max 33.5 °C · Min 12.2 °C
2023
Avg. max25.1°Avg. min15.1°- Rain days
- 15 Rain days
- Precipitation
- 139 mm
- Avg. cloud cover
- 67 % cloudy
- Sea temperature
- –
Max 32.4 °C · Min 9.4 °C
2022
Avg. max26.8°Avg. min15.3°- Rain days
- 11 Rain days
- Precipitation
- 83.1 mm
- Avg. cloud cover
- 61 % cloudy
- Sea temperature
- –
Max 35.8 °C · Min 11.5 °C
2021
Avg. max22.0°Avg. min12.3°- Rain days
- 16 Rain days
- Precipitation
- 117 mm
- Avg. cloud cover
- 77 % cloudy
- Sea temperature
- –
Max 29.0 °C · Min 9.1 °C
2020
Avg. max26.4°Avg. min15.0°- Rain days
- 14 Rain days
- Precipitation
- 120 mm
- Avg. cloud cover
- 58 % cloudy
- Sea temperature
- –
Max 32.6 °C · Min 9.4 °C
2019
Avg. max26.2°Avg. min14.7°- Rain days
- 11 Rain days
- Precipitation
- 89.8 mm
- Avg. cloud cover
- 68 % cloudy
- Sea temperature
- –
Max 31.2 °C · Min 10.0 °C
2018
Avg. max29.1°Avg. min16.1°- Rain days
- 11 Rain days
- Precipitation
- 46.9 mm
- Avg. cloud cover
- 59 % cloudy
- Sea temperature
- –
Max 35.1 °C · Min 9.3 °C
2017
Avg. max25.7°Avg. min13.8°- Rain days
- 9 Rain days
- Precipitation
- 79.3 mm
- Avg. cloud cover
- 61 % cloudy
- Sea temperature
- –
Max 35.3 °C · Min 8.8 °C
Frequently asked questions
- How warm is it in Prague in August?
- Daytime highs averaged 26.4 °C, night-time lows 14.7 °C. The highest value of the past 10 years was 39.4 °C (4 Aug 2026), the lowest 6.4 °C (24 Aug 2025).
- How often does it rain in Prague in August?
- On average there were 11.7 rain days (at least 1 mm) with 86.5 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)