Climate averages 1991–2020
Prague weather
in August.
A warm, moderately wet month: the warmest and the 10th driest of the year.
Long-term climate patterns, not a forecast for a particular trip.
August is a warm month in Prague: daytime highs average 24.8°C and nights cool to about 15.0°C. By daytime temperature it is the warmest month of the year.
Expect about 73 mm of rain on roughly 11 days, which makes August a moderately wet month (the 10th driest of the 12 months). Daylight, from sunrise to sunset, lasts about 14 h 29 min on an average August day.
The nearest other city in this atlas is Ústí nad Labem (69 km away). In August its highs average 23.9°C, 0.9°C cooler than Prague, with 85 mm of rain.
Among the 12 cities listed in Czechia, Prague ranks 2nd of 12 for the warmest August highs and 5th of 12 for the driest August (rainfall, lowest first). The mean August high of those 12 cities is 23.9°C; Prague is 0.9°C warmer than that mean.
From August to September, average highs fall by 5.1°C to 19.7°C, and monthly rainfall falls from 73 mm to 56 mm.
The annual picture
August in context
Monthly rainfall
Average total · mmAverages from hourly ERA5 reanalysis data. Actual weather varies from year to year. How these numbers are calculated
Every month, side by side
Prague climate table
| Month | Average highHigh / low | Average low | Rainfall mm/month | Rain days ≥1 mm/day | Daylight hours/dayDaylight h/day |
|---|---|---|---|---|---|
| January | 3.1°C-2.4°C | -2.4°C | 37 | 9.6 | 8.69 h |
| February | 5.0°C-2.1°C | -2.1°C | 32 | 8.3 | 10.010 h |
| March | 9.3°C0.7°C | 0.7°C | 43 | 10.8 | 11.812 h |
| April | 14.8°C4.4°C | 4.4°C | 38 | 9.5 | 13.714 h |
| May | 19.1°C9.2°C | 9.2°C | 68 | 12.7 | 15.415 h |
| June | 22.4°C13.0°C | 13.0°C | 79 | 12.3 | 16.316 h |
| July | 24.6°C15.1°C | 15.1°C | 80 | 12.8 | 15.916 h |
| August, selected | 24.8°C15.0°C | 15.0°C | 73 | 10.8 | 14.514 h |
| September | 19.7°C11.0°C | 11.0°C | 56 | 8.9 | 12.713 h |
| October | 14.1°C6.6°C | 6.6°C | 44 | 9.5 | 10.811 h |
| November | 8.0°C2.3°C | 2.3°C | 40 | 8.9 | 9.19 h |
| December | 4.0°C-1.0°C | -1.0°C | 41 | 9.5 | 8.28 h |
Rainfall is the average of the 30 separate monthly totals. A rain day is a local calendar day with at least 1 mm of precipitation. Daylight is the calculated sunrise-to-sunset length, not measured sunshine.
Compare places
August in nearby cities
- Ústí nad Labem in AugustCzechia · 69 kmHigh 23.9°C · Low 15.1°C · 85 mm rain
- Pilsen in AugustCzechia · 84 kmHigh 23.8°C · Low 14.2°C · 69 mm rain
- Liberec in AugustCzechia · 88 kmHigh 22.4°C · Low 14.0°C · 96 mm rain
- Pardubice in AugustCzechia · 97 kmHigh 24.0°C · Low 14.4°C · 77 mm rain
- Hradec Králové in AugustCzechia · 102 kmHigh 23.8°C · Low 14.3°C · 65 mm rain
- Dresden in AugustGermany · 117 kmHigh 23.6°C · Low 14.7°C · 90 mm rain
- České Budějovice in AugustCzechia · 124 kmHigh 23.2°C · Low 14.2°C · 79 mm rain
- Jelenia Góra in AugustPoland · 129 kmHigh 22.5°C · Low 13.9°C · 93 mm rain
Read the numbers correctly
Climate, not a promise.
These patterns help compare months. They cannot tell you the weather on a specific day of your trip.
Sources, method and limitsHow these numbers are made (what the highs, lows and rain days mean, the sources and the model cell used for Prague) is explained once on the Prague year overview and on the Sources, method and limits page.