Břeclav climate — normals and trends
Břeclav (Czechia) has a warm-summer humid continental climate (Dfb) under the Köppen-Geiger classification. Its mean annual temperature is 10.0 °C and it receives 624 mm of precipitation per year.
These figures are normals computed over 86 complete calendar years, from 1940 to 2025, using ERA5 reanalysis data from the Copernicus programme.
The warmest month is July (20.3 °C on average) and the coldest is January (-1.3 °C). Rainfall peaks in June.
Břeclav averages 84 frost days, 13 hot days (≥ 30 °C) and 113 rainy days per year.
Břeclav has warmed by +2.5 °C between 1940 and 2025, or +0.29 °C per decade. This trend is statistically significant.
The number of frost days there went from about 102 to 66 per year over the period.
The hottest day of the period reached 38.9 °C (on 5 July 1957) and the coldest -28.5 °C (on 24 January 1942).
Data from ERA5 reanalysis (Copernicus Climate Change Service), redistributed under a CC-BY 4.0 licence. Normals are recomputed whenever the archive is updated.
Climate normals · ERA5
BřeclavSouth Moravian
- coords
- 48.76°, 16.88°
- period
- 1940–2025 · 86 yrs
Mean daily temperature
10.0°C
Average daily high
13.9°C
Average daily low
6.1°C
Annual rainfall
624mm
Sunshine / day
8.0h
Mean relative humidity
73%
Average peak wind
17.3km/h
Seasonal range
21.6°C
Frost days (< 0 °C)
84 d/yr
Hot days (≥ 30 °C)
13 d/yr
Rainy days (≥ 1 mm)
113 d/yr
Annual snowfall
45.2 cm
Average feels-like high
11.5 °C
Average feels-like low
3.3 °C
Average peak gust
35.2 km/h
Tropical nights (≥ 20 °C)
4 d/yr
Solar radiation
11.8 MJ/m²
Has the climate changed?
One stripe per year, 1940 to 2025
+2.5 °C
since 1940
+0.3 °C per decade · r² = 0.52 · p = < 0.001
Trend fitted by linear regression (ordinary least squares) on annual means. A trend is shown only when it is statistically significant (p < 0.05).
A climograph overlays rainfall (bars) and temperature (line): the standard reading in climatology, where you can see at a glance whether the warm season is also the dry one.
Records for the period
Hottest day
38.9 °C
5 July 1957
Coldest day
-28.5 °C
24 January 1942
Wettest day
98 mm
25 August 1965
Windiest day
48.4 km/h
1 March 1990
Strongest gust
100.8 km/h
2 March 2008
Hottest feels-like
40.0 °C
5 July 1957
Coldest feels-like
-33.2 °C
24 January 1942
Snowiest day
19.5 cm
3 January 1941
Sunniest day
15.7 h
2 July 2025
Normals computed over complete calendar years 1940–2025.
A specific year
Pick a year and see how it compares to normal — warmer, drier or more extreme than usual?
Across the whole year
Month by month
| High | vs. normal | Precipitation | vs. normal | |
|---|---|---|---|---|
| Jan | 4.0 °C | +2.8 °C | 22 mm | -12 mm |
| Feb | 4.7 °C | +0.9 °C | 9 mm | -26 mm |
| Mar | 13.1 °C | +4.2 °C | 55 mm | +16 mm |
| Apr | 17.6 °C | +2.8 °C | 32 mm | -16 mm |
| May | 18.9 °C | -0.7 °C | 34 mm | -33 mm |
| Jun | 27.0 °C | +3.8 °C | 57 mm | -21 mm |
| Jul | 25.9 °C | +0.5 °C | 93 mm | +16 mm |
| Aug | 27.0 °C | +1.8 °C | 37 mm | -29 mm |
| Sep | 21.6 °C | +1.0 °C | 110 mm | +55 mm |
| Oct | 13.9 °C | -0.4 °C | 32 mm | -8 mm |
| Nov | 7.3 °C | -0.2 °C | 64 mm | +17 mm |
| Dec | 3.8 °C | +1.0 °C | 21 mm | -19 mm |
The year's extremes
What was the weather like that day?
Your birthday, a wedding, a memorable trip: discover the actual weather for any date since 1940.
Frequently asked questions
What is the climate of Břeclav?
Břeclav has a warm-summer humid continental climate (Köppen Dfb). Over 1940-2025, the average annual temperature is 10.0 °C and it receives 624 mm of precipitation per year.
What is the hottest day ever recorded in Břeclav?
The hottest day measured in Břeclav between 1940 and 2025 was 5 July 1957, reaching 38.9 °C.
What is the coldest day in Břeclav?
The coldest day measured in Břeclav between 1940 and 2025 was 24 January 1942, at -28.5 °C.
Does it snow in Břeclav?
Yes. Břeclav gets on average 45.2 cm of snow per year and has around 84 frost days.
Has the climate of Břeclav warmed?
Yes: Břeclav warmed by +2.5 °C between 1940 and 2025, a statistically significant trend.
What is the wettest day in Břeclav?
The wettest day measured in Břeclav between 1940 and 2025 was 25 August 1965, with 98 mm of rain in 24 hours.
What was the windiest day in Břeclav?
The windiest day measured in Břeclav between 1940 and 2025 was 1 March 1990, with winds reaching 48.4 km/h.
What is the warmest month in Břeclav?
The warmest month in Břeclav is July (20.3 °C on average); the coldest is January (-1.3 °C).
How much does it rain in Břeclav?
Břeclav receives on average 624 mm of precipitation per year, spread over about 113 rainy days.
Is it sunny in Břeclav?
Břeclav gets on average 8.0 hours of sunshine per day, roughly 2,920 hours per year over 1940-2025.
What is the biggest single-day snowfall in Břeclav?
The heaviest 24-hour snowfall measured in Břeclav between 1940 and 2025 was 3 January 1941, with 19.5 cm.
Are there tropical nights in Břeclav?
Yes: Břeclav has on average 4 tropical nights per year (temperature staying above 20 °C), over 1940-2025.
What was the most extreme apparent temperature in Břeclav?
In Břeclav, between 1940 and 2025, the highest apparent temperature reached 40.0 °C on 5 July 1957, and the lowest was -33.2 °C on 24 January 1942.
Compare Břeclav with another city
Pick a second city: its normals will be set against these, indicator by indicator.
Nearby cities
The climate around Břeclav