Annual mean 10°C · wettest around January · prevailing wind W
Warmest
24.8 °C
Coldest
0.2 °C
Wettest
21%
Windiest
5.8 m/s
Prevailing
W
4.4 m/s average
When this place is good five ratings · thirty-six ten-day sections · click a cell to read it
Jan
Feb
Mar
Apr
May
Jun
Jul
Aug
Sep
Oct
Nov
Dec
Every reading
bars actual · line feels-like, °Cchance of rain, %wind speed, m/ssky covered, %
The average temperature in Brno over the whole year is 10°C. July is the hottest month, with highs of about 24°C; January is the coldest, with lows of about -2°C. Brno has no sharply defined rainy season: the chance of rain on a given day runs from 14% in March, the driest month, to 19% in January, the wettest. Winds in Brno are highest in February, averaging 4.1 m/s (15 km/h), and lightest in August, at 3.1 m/s (11 km/h). The prevailing wind is from the W. The clearest skies in Brno come in August, when the sky is typically 56% covered; December is the cloudiest month, at 83%.
Month by month Brno climate by month: average temperatures year round · click a month to read it
Month
High
Low
Feels like
Chance of rain
Cloud
Wind
Being outside
Sun
Walking
January
1°C
-2°C
-5°C
19%
80%
3.9 m/s
0
0
2
February
4°C
1°C
-1°C
18%
73%
4.1 m/s
0
0
9
March
8°C
2°C
3°C
14%
67%
4.0 m/s
2
0
28
April
13°C
6°C
8°C
15%
63%
4.1 m/s
17
0
54
May
17°C
11°C
13°C
17%
64%
3.7 m/s
43
2
75
June
23°C
16°C
21°C
14%
56%
3.4 m/s
76
23
62
July
24°C
17°C
22°C
16%
58%
3.3 m/s
74
31
53
August
24°C
16°C
22°C
15%
56%
3.1 m/s
69
36
50
September
19°C
12°C
17°C
15%
58%
3.3 m/s
60
10
73
October
13°C
8°C
9°C
16%
69%
3.6 m/s
19
0
66
November
6°C
3°C
2°C
16%
80%
3.6 m/s
1
0
20
December
2°C
0°C
-3°C
19%
83%
3.9 m/s
0
0
3
High and low are the warmest and coolest of four readings a day — midnight, 6am, noon and 6pm — so a true overnight low can sit a degree or two under them. Chance of rain, cloud and wind are the day’s average; feels-like and the three ratings (each out of 100: Good from 55, Ideal from 80) are read at midday.
Seasons, and the year in short Brno weather by season
Year round, Brno has days of about 1°C at their warmest in January, its coolest month, and 24°C in July, its warmest; the coolest hours of the day run from -2°C to 17°C through the year, and the average temperature over the year is 10°C around the clock. Rain is most likely around January and least likely around March. Every figure here is a decade of observations blended into one representative year, so it reads as what this date is usually like, not a forecast for one particular day.
Brno weather in winterDecember to February
High 2°CLow -0°CRain 19%
Winter in Brno has typical daily highs of about 2°C and lows of about -0°C, with a 19% chance of rain on a given day.
Brno weather in springMarch to May
High 13°CLow 6°CRain 15%
Spring in Brno has typical daily highs of about 13°C and lows of about 6°C, with a 15% chance of rain on a given day.
Brno weather in summerJune to August
High 23°CLow 16°CRain 15%
Summer in Brno has typical daily highs of about 23°C and lows of about 16°C, with a 15% chance of rain on a given day.
Brno weather in autumnSeptember to November
High 13°CLow 8°CRain 16%
Autumn in Brno has typical daily highs of about 13°C and lows of about 8°C, with a 16% chance of rain on a given day.
When is the rainy season in Brno?
Brno has no sharply defined rainy season: the chance of rain on a given day runs from 14% in March, the driest month, to 19% in January, the wettest.
What time of year is Brno windiest?
Winds in Brno are highest in February, averaging 4.1 m/s (15 km/h), and lightest in August, at 3.1 m/s (11 km/h). The prevailing wind is from the W.
What is the average temperature in Brno year round?
The average temperature in Brno over the whole year is 10°C. July is the hottest month, with highs of about 24°C; January is the coldest, with lows of about -2°C.