Gmina Sierakowice climate — normals and trends
Gmina Sierakowice (Poland) has a warm-summer humid continental climate (Dfb) under the Köppen-Geiger classification. Its mean annual temperature is 7.1 °C and it receives 684 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 (16.7 °C on average) and the coldest is January (-2.6 °C). Rainfall peaks in July.
Gmina Sierakowice averages 109 frost days, 1 hot days (≥ 30 °C) and 142 rainy days per year.
Gmina Sierakowice 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 131 to 87 per year over the period.
The hottest day of the period reached 34.0 °C (on 10 August 1992) and the coldest -29.3 °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
Gmina SierakowicePomerania
- coords
- 54.35°, 17.89°
- period
- 1940–2025 · 86 yrs
Mean daily temperature
7.1°C
Average daily high
10.3°C
Average daily low
3.8°C
Annual rainfall
684mm
Sunshine / day
7.3h
Mean relative humidity
83%
Average peak wind
20.8km/h
Seasonal range
19.3°C
Frost days (< 0 °C)
109 d/yr
Hot days (≥ 30 °C)
1 d/yr
Rainy days (≥ 1 mm)
142 d/yr
Annual snowfall
73.2 cm
Average feels-like high
7.2 °C
Average feels-like low
0.3 °C
Average peak gust
39.7 km/h
Tropical nights (≥ 20 °C)
0 d/yr
Solar radiation
10.2 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
34.0 °C
10 August 1992
Coldest day
-29.3 °C
1 February 1956
Wettest day
48 mm
14 July 2016
Windiest day
62.7 km/h
2 November 1981
Strongest gust
119.5 km/h
18 January 1983
Hottest feels-like
35.4 °C
30 July 1994
Coldest feels-like
-35.5 °C
1 February 1956
Snowiest day
21.3 cm
4 April 1970
Sunniest day
16.1 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 | 3.0 °C | +3.7 °C | 82 mm | +37 mm |
| Feb | 1.7 °C | +1.5 °C | 21 mm | -19 mm |
| Mar | 9.4 °C | +5.2 °C | 16 mm | -26 mm |
| Apr | 13.5 °C | +3.3 °C | 33 mm | -14 mm |
| May | 13.7 °C | -1.8 °C | 62 mm | -2 mm |
| Jun | 19.3 °C | +0.4 °C | 79 mm | +6 mm |
| Jul | 21.4 °C | +0.8 °C | 128 mm | +36 mm |
| Aug | 20.5 °C | +0.1 °C | 67 mm | -11 mm |
| Sep | 18.6 °C | +2.1 °C | 40 mm | -19 mm |
| Oct | 11.0 °C | 0.0 °C | 77 mm | +29 mm |
| Nov | 5.4 °C | +0.5 °C | 42 mm | -5 mm |
| Dec | 3.8 °C | +2.5 °C | 18 mm | -31 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 Gmina Sierakowice?
Gmina Sierakowice has a warm-summer humid continental climate (Köppen Dfb). Over 1940-2025, the average annual temperature is 7.1 °C and it receives 684 mm of precipitation per year.
What is the hottest day ever recorded in Gmina Sierakowice?
The hottest day measured in Gmina Sierakowice between 1940 and 2025 was 10 August 1992, reaching 34.0 °C.
What is the coldest day in Gmina Sierakowice?
The coldest day measured in Gmina Sierakowice between 1940 and 2025 was 1 February 1956, at -29.3 °C.
Does it snow in Gmina Sierakowice?
Yes. Gmina Sierakowice gets on average 73.2 cm of snow per year and has around 109 frost days.
Has the climate of Gmina Sierakowice warmed?
Yes: Gmina Sierakowice warmed by +2.4 °C between 1940 and 2025, a statistically significant trend.
What is the wettest day in Gmina Sierakowice?
The wettest day measured in Gmina Sierakowice between 1940 and 2025 was 14 July 2016, with 48 mm of rain in 24 hours.
What was the windiest day in Gmina Sierakowice?
The windiest day measured in Gmina Sierakowice between 1940 and 2025 was 2 November 1981, with winds reaching 62.7 km/h.
What is the warmest month in Gmina Sierakowice?
The warmest month in Gmina Sierakowice is July (16.7 °C on average); the coldest is January (-2.6 °C).
How much does it rain in Gmina Sierakowice?
Gmina Sierakowice receives on average 684 mm of precipitation per year, spread over about 142 rainy days.
Is it sunny in Gmina Sierakowice?
Gmina Sierakowice 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 Gmina Sierakowice?
The heaviest 24-hour snowfall measured in Gmina Sierakowice between 1940 and 2025 was 4 April 1970, with 21.3 cm.
Are there tropical nights in Gmina Sierakowice?
Almost never: tropical nights (temperature staying above 20 °C) are virtually non-existent in Gmina Sierakowice.
What was the most extreme apparent temperature in Gmina Sierakowice?
In Gmina Sierakowice, between 1940 and 2025, the highest apparent temperature reached 35.4 °C on 30 July 1994, and the lowest was -35.5 °C on 1 February 1956.
Compare Gmina Sierakowice with another city
Pick a second city: its normals will be set against these, indicator by indicator.
Nearby cities
The climate around Gmina Sierakowice