Brno Weather by Month
Twelve months of Brno, Czech Republic weather — averages from 2006–2025.
Brno's warmest month is July (average high 26.1°C (79°F)) and the coolest is January (2.6°C (36.7°F)). The most rain falls in June (about 74 mm), and February is the driest (about 28 mm). July is the sunniest, with about 12.5 hours of sunshine a day.
Best months to visit Brno
Ranked within Brno's own year by temperature comfort, rainy days and sunshine — historical averages, not a forecast.
Brno month by month
January
PoorHigh 2.6°C (36.7°F)
Low -3.1°C (26.4°F)
- Rainfall
- 37 mm (1.5 in)
- Rainy days
- 10 rainy days
- Sunshine
- 4 h sunshine / day
February
FairHigh 5°C (41°F)
Low -2.1°C (28.2°F)
- Rainfall
- 28 mm (1.1 in)
- Rainy days
- 7 rainy days
- Sunshine
- 5.7 h sunshine / day
March
FairHigh 9.8°C (49.6°F)
Low 0.6°C (33.1°F)
- Rainfall
- 39 mm (1.5 in)
- Rainy days
- 8 rainy days
- Sunshine
- 8 h sunshine / day
April
GoodHigh 15.4°C (59.7°F)
Low 5°C (41°F)
- Rainfall
- 39 mm (1.5 in)
- Rainy days
- 9 rainy days
- Sunshine
- 10.3 h sunshine / day
May
GoodHigh 19.1°C (66.4°F)
Low 9.7°C (49.5°F)
- Rainfall
- 73 mm (2.9 in)
- Rainy days
- 13 rainy days
- Sunshine
- 10.6 h sunshine / day
June
GoodHigh 23.9°C (75°F)
Low 14.2°C (57.6°F)
- Rainfall
- 74 mm (2.9 in)
- Rainy days
- 12 rainy days
- Sunshine
- 12.3 h sunshine / day
July
GoodHigh 26.1°C (79°F)
Low 16°C (60.8°F)
- Rainfall
- 69 mm (2.7 in)
- Rainy days
- 11 rainy days
- Sunshine
- 12.5 h sunshine / day
August
GreatHigh 25.4°C (77.7°F)
Low 15.6°C (60.1°F)
- Rainfall
- 74 mm (2.9 in)
- Rainy days
- 10 rainy days
- Sunshine
- 11.2 h sunshine / day
September
GreatHigh 20.4°C (68.7°F)
Low 11.6°C (52.9°F)
- Rainfall
- 74 mm (2.9 in)
- Rainy days
- 9 rainy days
- Sunshine
- 8.9 h sunshine / day
October
GoodHigh 14.2°C (57.6°F)
Low 6.8°C (44.2°F)
- Rainfall
- 42 mm (1.7 in)
- Rainy days
- 8 rainy days
- Sunshine
- 6.3 h sunshine / day
November
FairHigh 8.1°C (46.6°F)
Low 2.7°C (36.9°F)
- Rainfall
- 41 mm (1.6 in)
- Rainy days
- 9 rainy days
- Sunshine
- 4 h sunshine / day
December
PoorHigh 3.6°C (38.5°F)
Low -1.2°C (29.8°F)
- Rainfall
- 36 mm (1.4 in)
- Rainy days
- 9 rainy days
- Sunshine
- 3.4 h sunshine / day
More Czech Republic cities by month
Based on 20 years of historical weather data (2006–2025) from Open-Meteo. Monthly averages, not a forecast.