Busko-Zdrój climate — normals and trends
Busko-Zdrój (Poland) has a warm-summer humid continental climate (Dfb) under the Köppen-Geiger classification. Its mean annual temperature is 8.5 °C and it receives 642 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 (19.0 °C on average) and the coldest is January (-2.9 °C). Rainfall peaks in July.
Busko-Zdrój averages 103 frost days, 6 hot days (≥ 30 °C) and 130 rainy days per year.
Busko-Zdrój 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 123 to 83 per year over the period.
The hottest day of the period reached 37.6 °C (on 1 July 2019) and the coldest -29.8 °C (on 14 January 1987).
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
Busko-ZdrójŚwiętokrzyskie
- coords
- 50.47°, 20.72°
- period
- 1940–2025 · 86 yrs
Mean daily temperature
8.5°C
Average daily high
12.5°C
Average daily low
4.6°C
Annual rainfall
642mm
Sunshine / day
7.5h
Mean relative humidity
77%
Average peak wind
18.3km/h
Seasonal range
21.9°C
Frost days (< 0 °C)
103 d/yr
Hot days (≥ 30 °C)
6 d/yr
Rainy days (≥ 1 mm)
130 d/yr
Annual snowfall
59.3 cm
Average feels-like high
9.8 °C
Average feels-like low
1.5 °C
Average peak gust
34.5 km/h
Tropical nights (≥ 20 °C)
1 d/yr
Solar radiation
10.9 MJ/m²
Has the climate changed?
One stripe per year, 1940 to 2025
+2.8 °C
since 1940
+0.3 °C per decade · r² = 0.53 · 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
37.6 °C
1 July 2019
Coldest day
-29.8 °C
14 January 1987
Wettest day
55 mm
5 August 2021
Windiest day
53.7 km/h
5 March 1940
Strongest gust
111.2 km/h
19 January 2007
Hottest feels-like
37.6 °C
30 June 2022
Coldest feels-like
-35.1 °C
11 January 1940
Snowiest day
18.3 cm
30 January 1979
Sunniest day
15.4 h
30 June 2019
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 | 5.4 °C | +5.7 °C | 50 mm | +13 mm |
| Feb | 3.5 °C | +1.8 °C | 23 mm | -13 mm |
| Mar | 12.3 °C | +5.6 °C | 46 mm | +6 mm |
| Apr | 16.8 °C | +3.5 °C | 41 mm | -9 mm |
| May | 16.5 °C | -2.0 °C | 75 mm | +10 mm |
| Jun | 24.2 °C | +2.3 °C | 71 mm | -6 mm |
| Jul | 24.5 °C | +0.8 °C | 118 mm | +34 mm |
| Aug | 25.8 °C | +2.3 °C | 35 mm | -38 mm |
| Sep | 20.9 °C | +1.9 °C | 87 mm | +32 mm |
| Oct | 12.6 °C | -0.6 °C | 58 mm | +16 mm |
| Nov | 7.4 °C | +1.0 °C | 71 mm | +28 mm |
| Dec | 3.9 °C | +2.0 °C | 12 mm | -28 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 Busko-Zdrój?
Busko-Zdrój has a warm-summer humid continental climate (Köppen Dfb). Over 1940-2025, the average annual temperature is 8.5 °C and it receives 642 mm of precipitation per year.
What is the hottest day ever recorded in Busko-Zdrój?
The hottest day measured in Busko-Zdrój between 1940 and 2025 was 1 July 2019, reaching 37.6 °C.
What is the coldest day in Busko-Zdrój?
The coldest day measured in Busko-Zdrój between 1940 and 2025 was 14 January 1987, at -29.8 °C.
Does it snow in Busko-Zdrój?
Yes. Busko-Zdrój gets on average 59.3 cm of snow per year and has around 103 frost days.
Has the climate of Busko-Zdrój warmed?
Yes: Busko-Zdrój warmed by +2.8 °C between 1940 and 2025, a statistically significant trend.
What is the wettest day in Busko-Zdrój?
The wettest day measured in Busko-Zdrój between 1940 and 2025 was 5 August 2021, with 55 mm of rain in 24 hours.
What was the windiest day in Busko-Zdrój?
The windiest day measured in Busko-Zdrój between 1940 and 2025 was 5 March 1940, with winds reaching 53.7 km/h.
What is the warmest month in Busko-Zdrój?
The warmest month in Busko-Zdrój is July (19.0 °C on average); the coldest is January (-2.9 °C).
How much does it rain in Busko-Zdrój?
Busko-Zdrój receives on average 642 mm of precipitation per year, spread over about 130 rainy days.
Is it sunny in Busko-Zdrój?
Busko-Zdrój gets on average 7.5 hours of sunshine per day, roughly 2,738 hours per year over 1940-2025.
What is the biggest single-day snowfall in Busko-Zdrój?
The heaviest 24-hour snowfall measured in Busko-Zdrój between 1940 and 2025 was 30 January 1979, with 18.3 cm.
Are there tropical nights in Busko-Zdrój?
Yes: Busko-Zdrój has on average 1 tropical nights per year (temperature staying above 20 °C), over 1940-2025.
What was the most extreme apparent temperature in Busko-Zdrój?
In Busko-Zdrój, between 1940 and 2025, the highest apparent temperature reached 37.6 °C on 30 June 2022, and the lowest was -35.1 °C on 11 January 1940.
Compare Busko-Zdrój with another city
Pick a second city: its normals will be set against these, indicator by indicator.
Nearby cities
The climate around Busko-Zdrój