Söderköping climate — normals and trends
Söderköping (Sweden) has a warm-summer humid continental climate (Dfb) under the Köppen-Geiger classification. Its mean annual temperature is 6.8 °C and it receives 591 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 (17.2 °C on average) and the coldest is February (-2.6 °C). Rainfall peaks in July.
Söderköping averages 111 frost days, 0 hot days (≥ 30 °C) and 120 rainy days per year.
Söderköping has warmed by +1.8 °C between 1940 and 2025, or +0.21 °C per decade. This trend is statistically significant.
The number of frost days there went from about 126 to 96 per year over the period.
The hottest day of the period reached 33.9 °C (on 21 July 2022) and the coldest -27.7 °C (on 18 January 1940).
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
SöderköpingÖstergötland County
- coords
- 58.48°, 16.32°
- period
- 1940–2025 · 86 yrs
Mean daily temperature
6.8°C
Average daily high
9.9°C
Average daily low
3.7°C
Annual rainfall
591mm
Sunshine / day
7.5h
Mean relative humidity
80%
Average peak wind
16.5km/h
Seasonal range
19.8°C
Frost days (< 0 °C)
111 d/yr
Hot days (≥ 30 °C)
0 d/yr
Rainy days (≥ 1 mm)
120 d/yr
Annual snowfall
83.7 cm
Average feels-like high
7.0 °C
Average feels-like low
0.5 °C
Average peak gust
36.0 km/h
Tropical nights (≥ 20 °C)
0 d/yr
Solar radiation
9.8 MJ/m²
Has the climate changed?
One stripe per year, 1940 to 2025
+1.8 °C
since 1940
+0.2 °C per decade · r² = 0.25 · 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
33.9 °C
21 July 2022
Coldest day
-27.7 °C
18 January 1940
Wettest day
41 mm
8 August 1962
Windiest day
47.7 km/h
9 January 2005
Strongest gust
103.0 km/h
9 January 2005
Hottest feels-like
34.4 °C
21 July 2022
Coldest feels-like
-32.6 °C
10 January 1987
Snowiest day
20.0 cm
6 December 1985
Sunniest day
17.9 h
26 June 2024
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 | 2.4 °C | +2.9 °C | 70 mm | +31 mm |
| Feb | 2.0 °C | +2.1 °C | 12 mm | -20 mm |
| Mar | 7.9 °C | +4.3 °C | 12 mm | -19 mm |
| Apr | 12.3 °C | +3.4 °C | 20 mm | -19 mm |
| May | 14.3 °C | -0.4 °C | 42 mm | -4 mm |
| Jun | 19.8 °C | +0.7 °C | 62 mm | +3 mm |
| Jul | 23.1 °C | +2.1 °C | 113 mm | +38 mm |
| Aug | 20.0 °C | 0.0 °C | 36 mm | -34 mm |
| Sep | 18.2 °C | +2.6 °C | 50 mm | -5 mm |
| Oct | 11.0 °C | +0.9 °C | 60 mm | +10 mm |
| Nov | 5.7 °C | +1.2 °C | 42 mm | -8 mm |
| Dec | 5.0 °C | +3.6 °C | 34 mm | -12 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 Söderköping?
Söderköping has a warm-summer humid continental climate (Köppen Dfb). Over 1940-2025, the average annual temperature is 6.8 °C and it receives 591 mm of precipitation per year.
What is the hottest day ever recorded in Söderköping?
The hottest day measured in Söderköping between 1940 and 2025 was 21 July 2022, reaching 33.9 °C.
What is the coldest day in Söderköping?
The coldest day measured in Söderköping between 1940 and 2025 was 18 January 1940, at -27.7 °C.
Does it snow in Söderköping?
Yes. Söderköping gets on average 83.7 cm of snow per year and has around 111 frost days.
Has the climate of Söderköping warmed?
Yes: Söderköping warmed by +1.8 °C between 1940 and 2025, a statistically significant trend.
What is the wettest day in Söderköping?
The wettest day measured in Söderköping between 1940 and 2025 was 8 August 1962, with 41 mm of rain in 24 hours.
What was the windiest day in Söderköping?
The windiest day measured in Söderköping between 1940 and 2025 was 9 January 2005, with winds reaching 47.7 km/h.
What is the warmest month in Söderköping?
The warmest month in Söderköping is July (17.2 °C on average); the coldest is February (-2.6 °C).
How much does it rain in Söderköping?
Söderköping receives on average 591 mm of precipitation per year, spread over about 120 rainy days.
Is it sunny in Söderköping?
Söderköping 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 Söderköping?
The heaviest 24-hour snowfall measured in Söderköping between 1940 and 2025 was 6 December 1985, with 20.0 cm.
Are there tropical nights in Söderköping?
Almost never: tropical nights (temperature staying above 20 °C) are virtually non-existent in Söderköping.
What was the most extreme apparent temperature in Söderköping?
In Söderköping, between 1940 and 2025, the highest apparent temperature reached 34.4 °C on 21 July 2022, and the lowest was -32.6 °C on 10 January 1987.
Compare Söderköping with another city
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Nearby cities
The climate around Söderköping