Climate averages 1991–2020
Brno weather
in June.
A warm, moderately 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 warm month in Brno: daytime highs average 22.8°C and nights cool to about 13.4°C. By daytime temperature it is the 3rd warmest of the 12 months.
Expect about 75 mm of rain on roughly 12 days, which makes June a moderately wet month (the 11th driest of the 12 months). Daylight, from sunrise to sunset, lasts about 16 h 09 min on an average June day.
The nearest other city in this atlas is Olomouc (64 km away). In June its highs average 22.1°C, 0.8°C cooler than Brno, with 82 mm of rain.
Among the 12 cities listed in Czechia, Brno ranks 1st of 12 for the warmest June highs and 3rd of 12 for the driest June (rainfall, lowest first). The mean June high of those 12 cities is 21.8°C; Brno is 1.1°C warmer than that mean.
From June to July, average highs rise by 2.2°C to 25.0°C, and monthly rainfall rises from 75 mm to 84 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
Brno climate table
| Month | Average highHigh / low | Average low | Precipitation mm/month | Wet days ≥1 mm/day | Daylight hours/dayDaylight h/day |
|---|---|---|---|---|---|
| January | 1.9°C-3.7°C | -3.7°C | 33 | 8.8 | 8.79 h |
| February | 4.3°C-2.9°C | -2.9°C | 28 | 7.3 | 10.110 h |
| March | 8.9°C0.2°C | 0.2°C | 40 | 8.8 | 11.912 h |
| April | 14.8°C4.7°C | 4.7°C | 40 | 9.1 | 13.714 h |
| May | 19.2°C9.7°C | 9.7°C | 65 | 12.4 | 15.315 h |
| June, selected | 22.8°C13.4°C | 13.4°C | 75 | 12.3 | 16.216 h |
| July | 25.0°C15.5°C | 15.5°C | 84 | 13.0 | 15.816 h |
| August | 24.9°C15.3°C | 15.3°C | 69 | 10.4 | 14.414 h |
| September | 19.5°C11.0°C | 11.0°C | 64 | 9.5 | 12.713 h |
| October | 13.6°C6.4°C | 6.4°C | 44 | 8.9 | 10.811 h |
| November | 7.5°C2.3°C | 2.3°C | 41 | 9.0 | 9.29 h |
| December | 2.6°C-2.3°C | -2.3°C | 36 | 9.0 | 8.38 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
- Olomouc in JuneCzechia · 64 kmHigh 22.1°C · Low 12.6°C · 82 mm rain
- Zlín in JuneCzechia · 77 kmHigh 22.3°C · Low 13.1°C · 91 mm rain
- Vienna in JuneAustria · 111 kmHigh 23.7°C · Low 14.2°C · 76 mm rain
- Pardubice in JuneCzechia · 111 kmHigh 21.8°C · Low 12.5°C · 78 mm rain
- Bratislava in JuneSlovakia · 122 kmHigh 24.1°C · Low 14.5°C · 73 mm rain
- Hradec Králové in JuneCzechia · 126 kmHigh 21.6°C · Low 12.4°C · 66 mm rain
- Ostrava in JuneCzechia · 140 kmHigh 21.7°C · Low 12.6°C · 100 mm rain
- Nitra in JuneSlovakia · 146 kmHigh 24.3°C · Low 14.3°C · 71 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 Brno) is explained once on the Brno year overview and on the Sources, method and limits page.