Climate averages 1991–2020
Olomouc weather
in August.
A warm, moderately wet month: the warmest and the joint 9th driest of the year.
Long-term climate patterns, not a forecast for a particular trip.
August is a warm month in Olomouc: daytime highs average 24.3°C and nights cool to about 14.5°C. By daytime temperature it is the warmest month of the year.
Expect about 71 mm of rain on roughly 11 days, which makes August a moderately wet month (the joint 9th driest of the 12 months). Daylight, from sunrise to sunset, lasts about 14 h 26 min on an average August day.
The nearest other city in this atlas is Zlín (51 km away). In August its highs average 24.3°C, about as warm as Olomouc, with 80 mm of rain.
Among the 12 cities listed in Czechia, Olomouc ranks joint 3rd of 12 for the warmest August highs and 4th of 12 for the driest August (rainfall, lowest first). The mean August high of those 12 cities is 23.9°C; Olomouc is 0.4°C warmer than that mean.
From August to September, average highs fall by 5.3°C to 19.0°C, and monthly rainfall falls from 71 mm to 67 mm.
The annual picture
August in context
Monthly precipitation
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
Olomouc climate table
| Month | Average highHigh / low | Average low | Precipitation mm/month | Wet days ≥1 mm/day | Daylight hours/dayDaylight h/day |
|---|---|---|---|---|---|
| January | 1.3°C-4.1°C | -4.1°C | 34 | 8.8 | 8.79 h |
| February | 3.6°C-3.5°C | -3.5°C | 31 | 7.7 | 10.110 h |
| March | 8.2°C-0.6°C | -0.6°C | 42 | 9.4 | 11.912 h |
| April | 14.2°C3.8°C | 3.8°C | 42 | 8.8 | 13.714 h |
| May | 18.6°C8.8°C | 8.8°C | 71 | 12.7 | 15.315 h |
| June | 22.1°C12.6°C | 12.6°C | 82 | 12.2 | 16.216 h |
| July | 24.2°C14.6°C | 14.6°C | 91 | 12.9 | 15.816 h |
| August, selected | 24.3°C14.5°C | 14.5°C | 71 | 10.7 | 14.414 h |
| September | 19.0°C10.4°C | 10.4°C | 67 | 9.8 | 12.713 h |
| October | 13.2°C6.0°C | 6.0°C | 48 | 8.8 | 10.811 h |
| November | 7.3°C2.0°C | 2.0°C | 43 | 8.7 | 9.29 h |
| December | 2.2°C-2.7°C | -2.7°C | 39 | 8.8 | 8.28 h |
Precipitation (rain or snow, as water) is the average of the 30 separate monthly totals. A wet 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
- Zlín in AugustCzechia · 51 kmHigh 24.3°C · Low 15.0°C · 80 mm rain
- Brno in AugustCzechia · 64 kmHigh 24.9°C · Low 15.3°C · 69 mm rain
- Ostrava in AugustCzechia · 79 kmHigh 23.9°C · Low 14.5°C · 85 mm rain
- Havířov in AugustCzechia · 88 kmHigh 23.4°C · Low 14.1°C · 91 mm rain
- Jastrzębie Zdrój in AugustPoland · 103 kmHigh 23.5°C · Low 14.5°C · 75 mm rain
- Rybnik in AugustPoland · 108 kmHigh 23.8°C · Low 14.4°C · 75 mm rain
- Žilina in AugustSlovakia · 115 kmHigh 23.2°C · Low 14.1°C · 92 mm rain
- Pardubice in AugustCzechia · 117 kmHigh 24.0°C · Low 14.4°C · 77 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 Olomouc) is explained once on the Olomouc year overview and on the Sources, method and limits page.