Sępólno Krajeńskie climate — normals and trends
Sępólno Krajeńskie (Poland) has a warm-summer humid continental climate (Dfb) under the Köppen-Geiger classification. Its mean annual temperature is 7.7 °C and it receives 618 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 (17.5 °C on average) and the coldest is January (-2.3 °C). Rainfall peaks in July.
Sępólno Krajeńskie averages 101 frost days, 2 hot days (≥ 30 °C) and 129 rainy days per year.
Sępólno Krajeńskie 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 121 to 81 per year over the period.
The hottest day of the period reached 35.6 °C (on 10 August 1992) and the coldest -28.8 °C (on 1 February 1956).
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
Sępólno KrajeńskieKujawsko-Pomorskie
- coords
- 53.45°, 17.53°
- period
- 1940–2025 · 86 yrs
Mean daily temperature
7.7°C
Average daily high
11.1°C
Average daily low
4.3°C
Annual rainfall
618mm
Sunshine / day
7.2h
Mean relative humidity
81%
Average peak wind
19.7km/h
Seasonal range
19.8°C
Frost days (< 0 °C)
101 d/yr
Hot days (≥ 30 °C)
2 d/yr
Rainy days (≥ 1 mm)
129 d/yr
Annual snowfall
55.7 cm
Average feels-like high
8.2 °C
Average feels-like low
0.9 °C
Average peak gust
37.6 km/h
Tropical nights (≥ 20 °C)
0 d/yr
Solar radiation
10.3 MJ/m²
Has the climate changed?
One stripe per year, 1940 to 2025
+2.4 °C
since 1940
+0.3 °C per decade · r² = 0.43 · 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
35.6 °C
10 August 1992
Coldest day
-28.8 °C
1 February 1956
Wettest day
73 mm
16 June 1980
Windiest day
56.6 km/h
17 January 1955
Strongest gust
108.0 km/h
19 February 2022
Hottest feels-like
36.6 °C
11 July 1959
Coldest feels-like
-35.3 °C
1 February 1956
Snowiest day
17.2 cm
4 April 1970
Sunniest day
16.0 h
21 June 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 | 3.5 °C | +3.7 °C | 60 mm | +20 mm |
| Feb | 2.4 °C | +1.4 °C | 18 mm | -17 mm |
| Mar | 10.5 °C | +5.2 °C | 16 mm | -22 mm |
| Apr | 15.5 °C | +4.2 °C | 30 mm | -12 mm |
| May | 15.3 °C | -1.2 °C | 59 mm | -3 mm |
| Jun | 21.3 °C | +1.4 °C | 64 mm | -4 mm |
| Jul | 22.3 °C | +0.7 °C | 150 mm | +64 mm |
| Aug | 21.7 °C | +0.3 °C | 77 mm | +8 mm |
| Sep | 19.3 °C | +2.0 °C | 40 mm | -12 mm |
| Oct | 11.6 °C | 0.0 °C | 74 mm | +32 mm |
| Nov | 5.7 °C | +0.3 °C | 38 mm | -6 mm |
| Dec | 3.8 °C | +2.1 °C | 15 mm | -27 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 Sępólno Krajeńskie?
Sępólno Krajeńskie has a warm-summer humid continental climate (Köppen Dfb). Over 1940-2025, the average annual temperature is 7.7 °C and it receives 618 mm of precipitation per year.
What is the hottest day ever recorded in Sępólno Krajeńskie?
The hottest day measured in Sępólno Krajeńskie between 1940 and 2025 was 10 August 1992, reaching 35.6 °C.
What is the coldest day in Sępólno Krajeńskie?
The coldest day measured in Sępólno Krajeńskie between 1940 and 2025 was 1 February 1956, at -28.8 °C.
Does it snow in Sępólno Krajeńskie?
Yes. Sępólno Krajeńskie gets on average 55.7 cm of snow per year and has around 101 frost days.
Has the climate of Sępólno Krajeńskie warmed?
Yes: Sępólno Krajeńskie warmed by +2.4 °C between 1940 and 2025, a statistically significant trend.
What is the wettest day in Sępólno Krajeńskie?
The wettest day measured in Sępólno Krajeńskie between 1940 and 2025 was 16 June 1980, with 73 mm of rain in 24 hours.
What was the windiest day in Sępólno Krajeńskie?
The windiest day measured in Sępólno Krajeńskie between 1940 and 2025 was 17 January 1955, with winds reaching 56.6 km/h.
What is the warmest month in Sępólno Krajeńskie?
The warmest month in Sępólno Krajeńskie is July (17.5 °C on average); the coldest is January (-2.3 °C).
How much does it rain in Sępólno Krajeńskie?
Sępólno Krajeńskie receives on average 618 mm of precipitation per year, spread over about 129 rainy days.
Is it sunny in Sępólno Krajeńskie?
Sępólno Krajeńskie gets on average 7.2 hours of sunshine per day, roughly 2,628 hours per year over 1940-2025.
What is the biggest single-day snowfall in Sępólno Krajeńskie?
The heaviest 24-hour snowfall measured in Sępólno Krajeńskie between 1940 and 2025 was 4 April 1970, with 17.2 cm.
Are there tropical nights in Sępólno Krajeńskie?
Almost never: tropical nights (temperature staying above 20 °C) are virtually non-existent in Sępólno Krajeńskie.
What was the most extreme apparent temperature in Sępólno Krajeńskie?
In Sępólno Krajeńskie, between 1940 and 2025, the highest apparent temperature reached 36.6 °C on 11 July 1959, and the lowest was -35.3 °C on 1 February 1956.
Compare Sępólno Krajeńskie with another city
Pick a second city: its normals will be set against these, indicator by indicator.
Nearby cities
The climate around Sępólno Krajeńskie