Banská Bystrica climate — normals and trends
Banská Bystrica (Slovakia) has a warm-summer humid continental climate (Dfb) under the Köppen-Geiger classification. Its mean annual temperature is 6.3 °C and it receives 920 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 (16.2 °C on average) and the coldest is January (-4.7 °C). Rainfall peaks in June.
Banská Bystrica averages 143 frost days, 1 hot days (≥ 30 °C) and 146 rainy days per year.
Banská Bystrica has warmed by +2.8 °C between 1940 and 2025, or +0.33 °C per decade. This trend is statistically significant.
The number of frost days there went from about 163 to 123 per year over the period.
The hottest day of the period reached 33.5 °C (on 21 July 2022) and the coldest -29.5 °C (on 21 January 1940).
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
Banská BystricaBanská Bystrica Region
- coords
- 48.74°, 19.15°
- period
- 1940–2025 · 86 yrs
Mean daily temperature
6.3°C
Average daily high
10.5°C
Average daily low
2.0°C
Annual rainfall
920mm
Sunshine / day
7.8h
Mean relative humidity
82%
Average peak wind
10.9km/h
Seasonal range
20.9°C
Frost days (< 0 °C)
143 d/yr
Hot days (≥ 30 °C)
1 d/yr
Rainy days (≥ 1 mm)
146 d/yr
Annual snowfall
126.9 cm
Average feels-like high
8.6 °C
Average feels-like low
-0.6 °C
Average peak gust
32.1 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
+2.8 °C
since 1940
+0.3 °C per decade · r² = 0.62 · 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
33.5 °C
21 July 2022
Coldest day
-29.5 °C
21 January 1940
Wettest day
66 mm
20 July 2011
Windiest day
32.6 km/h
15 May 2014
Strongest gust
103.7 km/h
3 February 1985
Hottest feels-like
34.9 °C
15 August 1952
Coldest feels-like
-34.6 °C
8 January 2017
Snowiest day
19.2 cm
30 January 2015
Sunniest day
15.3 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 | 2.2 °C | +3.8 °C | 50 mm | -1 mm |
| Feb | 2.6 °C | +2.0 °C | 27 mm | -26 mm |
| Mar | 10.5 °C | +5.3 °C | 91 mm | +35 mm |
| Apr | 14.2 °C | +2.8 °C | 58 mm | -15 mm |
| May | 14.5 °C | -1.7 °C | 105 mm | -3 mm |
| Jun | 22.8 °C | +3.3 °C | 45 mm | -73 mm |
| Jul | 22.5 °C | +1.2 °C | 149 mm | +42 mm |
| Aug | 23.5 °C | +2.3 °C | 83 mm | -12 mm |
| Sep | 18.9 °C | +2.0 °C | 101 mm | +30 mm |
| Oct | 10.2 °C | -1.0 °C | 76 mm | +16 mm |
| Nov | 5.4 °C | +0.9 °C | 113 mm | +46 mm |
| Dec | 2.9 °C | +3.1 °C | 11 mm | -49 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 Banská Bystrica?
Banská Bystrica has a warm-summer humid continental climate (Köppen Dfb). Over 1940-2025, the average annual temperature is 6.3 °C and it receives 920 mm of precipitation per year.
What is the hottest day ever recorded in Banská Bystrica?
The hottest day measured in Banská Bystrica between 1940 and 2025 was 21 July 2022, reaching 33.5 °C.
What is the coldest day in Banská Bystrica?
The coldest day measured in Banská Bystrica between 1940 and 2025 was 21 January 1940, at -29.5 °C.
Does it snow in Banská Bystrica?
Yes. Banská Bystrica gets on average 126.9 cm of snow per year and has around 143 frost days.
Has the climate of Banská Bystrica warmed?
Yes: Banská Bystrica warmed by +2.8 °C between 1940 and 2025, a statistically significant trend.
What is the wettest day in Banská Bystrica?
The wettest day measured in Banská Bystrica between 1940 and 2025 was 20 July 2011, with 66 mm of rain in 24 hours.
What was the windiest day in Banská Bystrica?
The windiest day measured in Banská Bystrica between 1940 and 2025 was 15 May 2014, with winds reaching 32.6 km/h.
What is the warmest month in Banská Bystrica?
The warmest month in Banská Bystrica is July (16.2 °C on average); the coldest is January (-4.7 °C).
How much does it rain in Banská Bystrica?
Banská Bystrica receives on average 920 mm of precipitation per year, spread over about 146 rainy days.
Is it sunny in Banská Bystrica?
Banská Bystrica gets on average 7.8 hours of sunshine per day, roughly 2,847 hours per year over 1940-2025.
What is the biggest single-day snowfall in Banská Bystrica?
The heaviest 24-hour snowfall measured in Banská Bystrica between 1940 and 2025 was 30 January 2015, with 19.2 cm.
Are there tropical nights in Banská Bystrica?
Almost never: tropical nights (temperature staying above 20 °C) are virtually non-existent in Banská Bystrica.
What was the most extreme apparent temperature in Banská Bystrica?
In Banská Bystrica, between 1940 and 2025, the highest apparent temperature reached 34.9 °C on 15 August 1952, and the lowest was -34.6 °C on 8 January 2017.
Compare Banská Bystrica with another city
Pick a second city: its normals will be set against these, indicator by indicator.
Nearby cities
The climate around Banská Bystrica