Brno monthly weather averages
Average daytime temperature
The bar chart below shows the average monthly peak daytime temperatures at Brno
| Jan | Feb | Mar | Apr | May | Jun | Jul | Aug | Sep | Oct | Nov | Dec | |
|---|---|---|---|---|---|---|---|---|---|---|---|---|
| °C | -0.4 | 2.3 | 7.2 | 13.2 | 18.4 | 21.5 | 23.4 | 22.9 | 18.8 | 12.9 | 5.8 | 1.3 |
| °F | 31.3 | 36.1 | 45 | 55.8 | 65.2 | 70.8 | 74.2 | 73.3 | 65.8 | 55.3 | 42.5 | 34.4 |
Please note: these are the average peak daytime temperatures (usually around mid-afternoon) so do not show daytime / night highs and lows. To see the daily range of temperatures have a look at the temperature max / min chart below.
Average rainfall & rainy days
The graph below shows the average rainfall and number of rainy days per month.
| Jan | Feb | Mar | Apr | May | Jun | Jul | Aug | Sep | Oct | Nov | Dec | |
|---|---|---|---|---|---|---|---|---|---|---|---|---|
| mm | 27 | 26 | 27 | 35 | 63 | 78 | 64 | 61 | 41 | 32 | 38 | 30 |
| inches | 1 | 1 | 1.1 | 1.4 | 2.5 | 3.1 | 2.5 | 2.4 | 1.6 | 1.3 | 1.5 | 1.2 |
| Rainy days | 12 | 11 | 11 | 11 | 13 | 14 | 14 | 13 | 11 | 10 | 13 | 13 |
Average annual rainfall in Brno: 587.433mm (231.3 inches)
Average daily sunshine
The bar chart below shows the average daily sunshine hours in Brno
| Jan | Feb | Mar | Apr | May | Jun | Jul | Aug | Sep | Oct | Nov | Dec | |
|---|---|---|---|---|---|---|---|---|---|---|---|---|
| Hrs sunshine | 1.8 | 2.9 | 4.2 | 5.9 | 7.5 | 7.8 | 8 | 7.5 | 5.8 | 4.4 | 2 | 1.6 |
Day / night temperatures
The graph below shows the daily range of temperatures for each month.
| Jan | Feb | Mar | Apr | May | Jun | Jul | Aug | Sep | Oct | Nov | Dec | |
|---|---|---|---|---|---|---|---|---|---|---|---|---|
| Min °C | -5.6 | -3.8 | -0.8 | 3.4 | 7.9 | 11 | 12.3 | 12 | 8.8 | 4.5 | 0.5 | -3.5 |
| Max °C | -0.3 | 2.4 | 7.4 | 13.5 | 18.7 | 21.8 | 23.7 | 23.2 | 19 | 13.2 | 6 | 1.5 |
| Min °F | 22 | 25.2 | 30.6 | 38 | 46.2 | 51.8 | 54.1 | 53.6 | 47.8 | 40 | 32.8 | 25.8 |
| Max °F | 26.8 | 30.7 | 37.9 | 47.1 | 55.9 | 61.5 | 64.4 | 63.7 | 57 | 47.8 | 37.8 | 30.2 |
Sea temperature
The graph below shows the average sea temperature.
| Jan | Feb | Mar | Apr | May | Jun | Jul | Aug | Sep | Oct | Nov | Dec | |
|---|---|---|---|---|---|---|---|---|---|---|---|---|
| °C | 8.6 | 7.6 | 7.8 | 9.4 | 12.9 | 17.3 | 20.6 | 21.5 | 19.2 | 15.9 | 12.7 | 10.2 |
| °F | 47.4 | 45.7 | 46 | 48.9 | 55.2 | 63.2 | 69 | 70.7 | 66.6 | 60.6 | 54.8 | 50.4 |
Wind speed
The graph below shows the average wind speed.
| Jan | Feb | Mar | Apr | May | Jun | Jul | Aug | Sep | Oct | Nov | Dec | |
|---|---|---|---|---|---|---|---|---|---|---|---|---|
| km/h | 14 | 15 | 15 | 15 | 13 | 12 | 12 | 12 | 12 | 13 | 14 | 15 |
| mph | 9 | 9 | 9 | 9 | 8 | 8 | 7 | 7 | 7 | 8 | 9 | 9 |
A monthly average windspeed of over 16km/h or 10mph suggests a location is fairly windy.
Relative humidity
The graph below shows the average relative humidity.
| Jan | Feb | Mar | Apr | May | Jun | Jul | Aug | Sep | Oct | Nov | Dec |
|---|---|---|---|---|---|---|---|---|---|---|---|
| 84% | 82% | 74% | 67% | 69% | 70% | 69% | 70% | 74% | 79% | 84% | 85% |
Other monthly averages
Brno weather stats
| Hottest month: | July | 23.4°C 74.1°F |
|---|---|---|
| Driest month: | February | 26mm 1ins |
| Sunniest month: | August | 7.5hrs |
| Coldest month: | January | -0.4°C 31.3°F |
| Wettest month: | June | 78mm 3.1ins |
| Warmest sea: | August | 21.5°C 70.7°F |
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