Brezno climate — normals and trends
Brezno (Slovakia) has a warm-summer humid continental climate (Dfb) under the Köppen-Geiger classification. Its mean annual temperature is 5.9 °C and it receives 877 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 (16.1 °C on average) and the coldest is January (-5.3 °C). Rainfall peaks in June.
Brezno averages 148 frost days, 1 hot days (≥ 30 °C) and 145 rainy days per year.
Brezno has warmed by +2.6 °C between 1940 and 2025, or +0.31 °C per decade. This trend is statistically significant.
The number of frost days there went from about 165 to 131 per year over the period.
The hottest day of the period reached 32.3 °C (on 21 July 2022) and the coldest -32.4 °C (on 8 January 2017).
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
BreznoBanská Bystrica Region
- coords
- 48.80°, 19.64°
- period
- 1940–2025 · 86 yrs
Mean daily temperature
5.9°C
Average daily high
10.2°C
Average daily low
1.7°C
Annual rainfall
877mm
Sunshine / day
7.9h
Mean relative humidity
81%
Average peak wind
10.1km/h
Seasonal range
21.4°C
Frost days (< 0 °C)
148 d/yr
Hot days (≥ 30 °C)
1 d/yr
Rainy days (≥ 1 mm)
145 d/yr
Annual snowfall
122.3 cm
Average feels-like high
8.2 °C
Average feels-like low
-0.9 °C
Average peak gust
31.6 km/h
Tropical nights (≥ 20 °C)
0 d/yr
Solar radiation
11.6 MJ/m²
Has the climate changed?
One stripe per year, 1940 to 2025
+2.6 °C
since 1940
+0.3 °C per decade · r² = 0.59 · 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
32.3 °C
21 July 2022
Coldest day
-32.4 °C
8 January 2017
Wettest day
58 mm
20 July 2011
Windiest day
32.4 km/h
30 November 1957
Strongest gust
104.8 km/h
18 February 1946
Hottest feels-like
34.0 °C
15 August 1952
Coldest feels-like
-37.5 °C
8 January 2017
Snowiest day
23.9 cm
2 December 1976
Sunniest day
15.2 h
3 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 | 1.9 °C | +3.8 °C | 51 mm | +6 mm |
| Feb | 2.3 °C | +1.9 °C | 25 mm | -25 mm |
| Mar | 10.2 °C | +5.4 °C | 89 mm | +36 mm |
| Apr | 13.8 °C | +2.8 °C | 58 mm | -13 mm |
| May | 14.3 °C | -1.6 °C | 91 mm | -14 mm |
| Jun | 23.0 °C | +3.8 °C | 32 mm | -78 mm |
| Jul | 22.6 °C | +1.6 °C | 124 mm | +21 mm |
| Aug | 23.4 °C | +2.5 °C | 95 mm | +6 mm |
| Sep | 18.8 °C | +2.1 °C | 108 mm | +39 mm |
| Oct | 9.8 °C | -1.2 °C | 80 mm | +21 mm |
| Nov | 5.2 °C | +0.9 °C | 124 mm | +55 mm |
| Dec | 2.9 °C | +3.3 °C | 10 mm | -45 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 Brezno?
Brezno has a warm-summer humid continental climate (Köppen Dfb). Over 1940-2025, the average annual temperature is 5.9 °C and it receives 877 mm of precipitation per year.
What is the hottest day ever recorded in Brezno?
The hottest day measured in Brezno between 1940 and 2025 was 21 July 2022, reaching 32.3 °C.
What is the coldest day in Brezno?
The coldest day measured in Brezno between 1940 and 2025 was 8 January 2017, at -32.4 °C.
Does it snow in Brezno?
Yes. Brezno gets on average 122.3 cm of snow per year and has around 148 frost days.
Has the climate of Brezno warmed?
Yes: Brezno warmed by +2.6 °C between 1940 and 2025, a statistically significant trend.
What is the wettest day in Brezno?
The wettest day measured in Brezno between 1940 and 2025 was 20 July 2011, with 58 mm of rain in 24 hours.
What was the windiest day in Brezno?
The windiest day measured in Brezno between 1940 and 2025 was 30 November 1957, with winds reaching 32.4 km/h.
What is the warmest month in Brezno?
The warmest month in Brezno is July (16.1 °C on average); the coldest is January (-5.3 °C).
How much does it rain in Brezno?
Brezno receives on average 877 mm of precipitation per year, spread over about 145 rainy days.
Is it sunny in Brezno?
Brezno gets on average 7.9 hours of sunshine per day, roughly 2,884 hours per year over 1940-2025.
What is the biggest single-day snowfall in Brezno?
The heaviest 24-hour snowfall measured in Brezno between 1940 and 2025 was 2 December 1976, with 23.9 cm.
Are there tropical nights in Brezno?
Almost never: tropical nights (temperature staying above 20 °C) are virtually non-existent in Brezno.
What was the most extreme apparent temperature in Brezno?
In Brezno, between 1940 and 2025, the highest apparent temperature reached 34.0 °C on 15 August 1952, and the lowest was -37.5 °C on 8 January 2017.
Compare Brezno with another city
Pick a second city: its normals will be set against these, indicator by indicator.
Nearby cities
The climate around Brezno