Kozanów climate — normals and trends
Kozanów (Poland) has a warm-summer humid continental climate (Dfb) under the Köppen-Geiger classification. Its mean annual temperature is 9.1 °C and it receives 645 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 (-1.3 °C). Rainfall peaks in July.
Kozanów averages 86 frost days, 7 hot days (≥ 30 °C) and 131 rainy days per year.
Kozanów 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 104 to 68 per year over the period.
The hottest day of the period reached 37.6 °C (on 28 July 2013) and the coldest -31.6 °C (on 13 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
KozanówLower Silesia
- coords
- 51.14°, 16.97°
- period
- 1940–2025 · 86 yrs
Mean daily temperature
9.1°C
Average daily high
12.9°C
Average daily low
5.4°C
Annual rainfall
645mm
Sunshine / day
7.6h
Mean relative humidity
77%
Average peak wind
18.1km/h
Seasonal range
20.3°C
Frost days (< 0 °C)
86 d/yr
Hot days (≥ 30 °C)
7 d/yr
Rainy days (≥ 1 mm)
131 d/yr
Annual snowfall
49.0 cm
Average feels-like high
10.2 °C
Average feels-like low
2.4 °C
Average peak gust
35.2 km/h
Tropical nights (≥ 20 °C)
1 d/yr
Solar radiation
10.8 MJ/m²
Has the climate changed?
One stripe per year, 1940 to 2025
+2.5 °C
since 1940
+0.3 °C per decade · r² = 0.47 · 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
28 July 2013
Coldest day
-31.6 °C
13 January 1987
Wettest day
83 mm
21 August 2022
Windiest day
54.4 km/h
5 October 2017
Strongest gust
120.2 km/h
18 January 2007
Hottest feels-like
38.2 °C
5 July 1957
Coldest feels-like
-36.7 °C
13 January 1987
Snowiest day
13.4 cm
26 November 1969
Sunniest day
16.0 h
5 July 1942
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 | +4.3 °C | 49 mm | +8 mm |
| Feb | 4.5 °C | +1.7 °C | 14 mm | -25 mm |
| Mar | 12.4 °C | +5.0 °C | 29 mm | -13 mm |
| Apr | 17.0 °C | +3.6 °C | 33 mm | -14 mm |
| May | 16.9 °C | -1.5 °C | 66 mm | +3 mm |
| Jun | 24.0 °C | +2.1 °C | 58 mm | -12 mm |
| Jul | 24.2 °C | +0.6 °C | 111 mm | +26 mm |
| Aug | 24.4 °C | +0.9 °C | 47 mm | -23 mm |
| Sep | 20.6 °C | +1.5 °C | 67 mm | +16 mm |
| Oct | 12.5 °C | -0.9 °C | 69 mm | +25 mm |
| Nov | 7.5 °C | +0.6 °C | 54 mm | +8 mm |
| Dec | 4.7 °C | +1.9 °C | 20 mm | -25 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 Kozanów?
Kozanów has a warm-summer humid continental climate (Köppen Dfb). Over 1940-2025, the average annual temperature is 9.1 °C and it receives 645 mm of precipitation per year.
What is the hottest day ever recorded in Kozanów?
The hottest day measured in Kozanów between 1940 and 2025 was 28 July 2013, reaching 37.6 °C.
What is the coldest day in Kozanów?
The coldest day measured in Kozanów between 1940 and 2025 was 13 January 1987, at -31.6 °C.
Does it snow in Kozanów?
Yes. Kozanów gets on average 49.0 cm of snow per year and has around 86 frost days.
Has the climate of Kozanów warmed?
Yes: Kozanów warmed by +2.5 °C between 1940 and 2025, a statistically significant trend.
What is the wettest day in Kozanów?
The wettest day measured in Kozanów between 1940 and 2025 was 21 August 2022, with 83 mm of rain in 24 hours.
What was the windiest day in Kozanów?
The windiest day measured in Kozanów between 1940 and 2025 was 5 October 2017, with winds reaching 54.4 km/h.
What is the warmest month in Kozanów?
The warmest month in Kozanów is July (19.0 °C on average); the coldest is January (-1.3 °C).
How much does it rain in Kozanów?
Kozanów receives on average 645 mm of precipitation per year, spread over about 131 rainy days.
Is it sunny in Kozanów?
Kozanów gets on average 7.6 hours of sunshine per day, roughly 2,774 hours per year over 1940-2025.
What is the biggest single-day snowfall in Kozanów?
The heaviest 24-hour snowfall measured in Kozanów between 1940 and 2025 was 26 November 1969, with 13.4 cm.
Are there tropical nights in Kozanów?
Yes: Kozanów has on average 1 tropical nights per year (temperature staying above 20 °C), over 1940-2025.
What was the most extreme apparent temperature in Kozanów?
In Kozanów, between 1940 and 2025, the highest apparent temperature reached 38.2 °C on 5 July 1957, and the lowest was -36.7 °C on 13 January 1987.
Compare Kozanów with another city
Pick a second city: its normals will be set against these, indicator by indicator.
Nearby cities
The climate around Kozanów