Czerwonak climate — normals and trends
Czerwonak (Poland) has a warm-summer humid continental climate (Dfb) under the Köppen-Geiger classification. Its mean annual temperature is 8.7 °C and it receives 597 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 (18.6 °C on average) and the coldest is January (-1.5 °C). Rainfall peaks in July.
Czerwonak averages 90 frost days, 5 hot days (≥ 30 °C) and 126 rainy days per year.
Czerwonak has warmed by +2.4 °C between 1940 and 2025, or +0.28 °C per decade. This trend is statistically significant.
The number of frost days there went from about 108 to 72 per year over the period.
The hottest day of the period reached 37.5 °C (on 10 August 1992) and the coldest -28.1 °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
CzerwonakGreater Poland
- coords
- 52.46°, 16.98°
- period
- 1940–2025 · 86 yrs
Mean daily temperature
8.7°C
Average daily high
12.2°C
Average daily low
5.1°C
Annual rainfall
597mm
Sunshine / day
7.3h
Mean relative humidity
78%
Average peak wind
18.3km/h
Seasonal range
20.1°C
Frost days (< 0 °C)
90 d/yr
Hot days (≥ 30 °C)
5 d/yr
Rainy days (≥ 1 mm)
126 d/yr
Annual snowfall
45.5 cm
Average feels-like high
9.5 °C
Average feels-like low
2.0 °C
Average peak gust
36.2 km/h
Tropical nights (≥ 20 °C)
1 d/yr
Solar radiation
10.4 MJ/m²
Has the climate changed?
One stripe per year, 1940 to 2025
+2.4 °C
since 1940
+0.3 °C per decade · r² = 0.44 · 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
37.5 °C
10 August 1992
Coldest day
-28.1 °C
14 January 1987
Wettest day
67 mm
20 July 1981
Windiest day
54.7 km/h
24 November 1984
Strongest gust
118.4 km/h
13 November 1972
Hottest feels-like
38.1 °C
11 July 1959
Coldest feels-like
-33.1 °C
9 February 1956
Snowiest day
13.6 cm
3 March 1965
Sunniest day
16.0 h
5 June 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 | 4.5 °C | +3.8 °C | 56 mm | +16 mm |
| Feb | 3.1 °C | +1.0 °C | 22 mm | -14 mm |
| Mar | 11.5 °C | +4.9 °C | 23 mm | -17 mm |
| Apr | 16.7 °C | +4.1 °C | 17 mm | -24 mm |
| May | 16.7 °C | -1.1 °C | 61 mm | +4 mm |
| Jun | 23.1 °C | +1.8 °C | 68 mm | +6 mm |
| Jul | 23.7 °C | +0.7 °C | 95 mm | +15 mm |
| Aug | 23.5 °C | +0.7 °C | 93 mm | +28 mm |
| Sep | 20.1 °C | +1.7 °C | 53 mm | +5 mm |
| Oct | 12.1 °C | -0.5 °C | 69 mm | +28 mm |
| Nov | 6.6 °C | +0.4 °C | 41 mm | -2 mm |
| Dec | 4.0 °C | +1.6 °C | 16 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 Czerwonak?
Czerwonak has a warm-summer humid continental climate (Köppen Dfb). Over 1940-2025, the average annual temperature is 8.7 °C and it receives 597 mm of precipitation per year.
What is the hottest day ever recorded in Czerwonak?
The hottest day measured in Czerwonak between 1940 and 2025 was 10 August 1992, reaching 37.5 °C.
What is the coldest day in Czerwonak?
The coldest day measured in Czerwonak between 1940 and 2025 was 14 January 1987, at -28.1 °C.
Does it snow in Czerwonak?
Yes. Czerwonak gets on average 45.5 cm of snow per year and has around 90 frost days.
Has the climate of Czerwonak warmed?
Yes: Czerwonak warmed by +2.4 °C between 1940 and 2025, a statistically significant trend.
What is the wettest day in Czerwonak?
The wettest day measured in Czerwonak between 1940 and 2025 was 20 July 1981, with 67 mm of rain in 24 hours.
What was the windiest day in Czerwonak?
The windiest day measured in Czerwonak between 1940 and 2025 was 24 November 1984, with winds reaching 54.7 km/h.
What is the warmest month in Czerwonak?
The warmest month in Czerwonak is July (18.6 °C on average); the coldest is January (-1.5 °C).
How much does it rain in Czerwonak?
Czerwonak receives on average 597 mm of precipitation per year, spread over about 126 rainy days.
Is it sunny in Czerwonak?
Czerwonak gets on average 7.3 hours of sunshine per day, roughly 2,665 hours per year over 1940-2025.
What is the biggest single-day snowfall in Czerwonak?
The heaviest 24-hour snowfall measured in Czerwonak between 1940 and 2025 was 3 March 1965, with 13.6 cm.
Are there tropical nights in Czerwonak?
Yes: Czerwonak has on average 1 tropical nights per year (temperature staying above 20 °C), over 1940-2025.
What was the most extreme apparent temperature in Czerwonak?
In Czerwonak, between 1940 and 2025, the highest apparent temperature reached 38.1 °C on 11 July 1959, and the lowest was -33.1 °C on 9 February 1956.
Compare Czerwonak with another city
Pick a second city: its normals will be set against these, indicator by indicator.
Nearby cities
The climate around Czerwonak