Climate averages 1991–2020
Ostrava weather
in July.
A warm, wet month: the 2nd warmest and the wettest of the year.
Long-term climate patterns, not a forecast for a particular trip.
July is a warm month in Ostrava: daytime highs average 23.7°C and nights cool to about 14.7°C. By daytime temperature it is the 2nd warmest of the 12 months.
Expect about 114 mm of rain on roughly 14 days, which makes July a wet month (the wettest month of the year). Daylight, from sunrise to sunset, lasts about 15 h 53 min on an average July day.
The nearest other city in this atlas is Havířov (13 km away). In July its highs average 23.3°C, about as warm as Ostrava, with 123 mm of rain.
Among the 12 cities listed in Czechia, Ostrava ranks joint 8th of 12 for the warmest July highs and 11th of 12 for the driest July (rainfall, lowest first). The mean July high of those 12 cities is 23.8°C; Ostrava is 0.1°C cooler than that mean.
From July to August, average highs rise by 0.1°C to 23.9°C, and monthly rainfall falls from 114 mm to 85 mm.
The annual picture
July 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
Ostrava climate table
| Month | Average highHigh / low | Average low | Precipitation mm/month | Wet days ≥1 mm/day | Daylight hours/dayDaylight h/day |
|---|---|---|---|---|---|
| January | 1.4°C-4.0°C | -4.0°C | 47 | 11.1 | 8.69 h |
| February | 3.3°C-3.5°C | -3.5°C | 46 | 11.0 | 10.110 h |
| March | 8.0°C-0.5°C | -0.5°C | 55 | 12.1 | 11.812 h |
| April | 14.0°C3.8°C | 3.8°C | 57 | 10.8 | 13.714 h |
| May | 18.4°C8.8°C | 8.8°C | 90 | 14.0 | 15.415 h |
| June | 21.7°C12.6°C | 12.6°C | 100 | 13.5 | 16.316 h |
| July, selected | 23.7°C14.7°C | 14.7°C | 114 | 14.2 | 15.916 h |
| August | 23.9°C14.5°C | 14.5°C | 85 | 11.7 | 14.514 h |
| September | 18.7°C10.4°C | 10.4°C | 82 | 11.0 | 12.713 h |
| October | 13.3°C6.3°C | 6.3°C | 59 | 10.3 | 10.811 h |
| November | 7.7°C2.3°C | 2.3°C | 53 | 10.5 | 9.19 h |
| December | 2.5°C-2.3°C | -2.3°C | 49 | 11.1 | 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
July in nearby cities
- Havířov in JulyCzechia · 13 kmHigh 23.3°C · Low 14.3°C · 123 mm rain
- Jastrzębie Zdrój in JulyPoland · 25 kmHigh 23.5°C · Low 14.6°C · 105 mm rain
- Rybnik in JulyPoland · 35 kmHigh 23.8°C · Low 14.6°C · 105 mm rain
- Bielsko-Biala in JulyPoland · 55 kmHigh 22.8°C · Low 14.3°C · 141 mm rain
- Gliwice in JulyPoland · 59 kmHigh 23.8°C · Low 15.0°C · 102 mm rain
- Tychy in JulyPoland · 59 kmHigh 23.2°C · Low 14.5°C · 98 mm rain
- Zabrze in JulyPoland · 65 kmHigh 23.5°C · Low 14.8°C · 102 mm rain
- Katowice in JulyPoland · 71 kmHigh 23.3°C · Low 14.7°C · 98 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 Ostrava) is explained once on the Ostrava year overview and on the Sources, method and limits page.