Climate averages 1991–2020
Ostrava weather
in June.
A mild, wet month: the 3rd warmest and the 11th driest of the year.
Long-term climate patterns, not a forecast for a particular trip.
June is a mild month in Ostrava: daytime highs average 21.7°C and nights cool to about 12.6°C. By daytime temperature it is the 3rd warmest of the 12 months.
Expect about 100 mm of rain on roughly 14 days, which makes June a wet month (the 11th driest of the 12 months). Daylight, from sunrise to sunset, lasts about 16 h 15 min on an average June day.
The nearest other city in this atlas is Havířov (13 km away). In June its highs average 21.2°C, about as warm as Ostrava, with 106 mm of rain.
Among the 12 cities listed in Czechia, Ostrava ranks joint 7th of 12 for the warmest June highs and 11th of 12 for the driest June (rainfall, lowest first). The mean June high of those 12 cities is 21.8°C; Ostrava is 0.1°C cooler than that mean.
From June to July, average highs rise by 2.1°C to 23.7°C, and monthly rainfall rises from 100 mm to 114 mm.
The annual picture
June 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, selected | 21.7°C12.6°C | 12.6°C | 100 | 13.5 | 16.316 h |
| July | 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
June in nearby cities
- Havířov in JuneCzechia · 13 kmHigh 21.2°C · Low 12.2°C · 106 mm rain
- Jastrzębie Zdrój in JunePoland · 25 kmHigh 21.4°C · Low 12.6°C · 89 mm rain
- Rybnik in JunePoland · 35 kmHigh 21.7°C · Low 12.6°C · 89 mm rain
- Bielsko-Biala in JunePoland · 55 kmHigh 20.9°C · Low 12.3°C · 123 mm rain
- Gliwice in JunePoland · 59 kmHigh 21.8°C · Low 13.0°C · 84 mm rain
- Tychy in JunePoland · 59 kmHigh 21.2°C · Low 12.5°C · 82 mm rain
- Zabrze in JunePoland · 65 kmHigh 21.5°C · Low 12.8°C · 84 mm rain
- Katowice in JunePoland · 71 kmHigh 21.3°C · Low 12.6°C · 82 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.