Söderhamn climate — normals and trends
Söderhamn (Sweden) has a warm-summer humid continental climate (Dfb) under the Köppen-Geiger classification. Its mean annual temperature is 5.3 °C and it receives 624 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 (16.4 °C on average) and the coldest is January (-4.4 °C). Rainfall peaks in August.
Söderhamn averages 138 frost days, 0 hot days (≥ 30 °C) and 121 rainy days per year.
Söderhamn has warmed by +1.9 °C between 1940 and 2025, or +0.22 °C per decade. This trend is statistically significant.
The number of frost days there went from about 151 to 125 per year over the period.
The hottest day of the period reached 31.0 °C (on 27 July 1994) and the coldest -30.3 °C (on 18 February 1985).
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
SöderhamnGävleborg County
- coords
- 61.30°, 17.06°
- period
- 1940–2025 · 86 yrs
Mean daily temperature
5.3°C
Average daily high
8.1°C
Average daily low
2.4°C
Annual rainfall
624mm
Sunshine / day
7.8h
Mean relative humidity
78%
Average peak wind
18.8km/h
Seasonal range
20.8°C
Frost days (< 0 °C)
138 d/yr
Hot days (≥ 30 °C)
0 d/yr
Rainy days (≥ 1 mm)
121 d/yr
Annual snowfall
127.0 cm
Average feels-like high
4.7 °C
Average feels-like low
-1.4 °C
Average peak gust
36.0 km/h
Tropical nights (≥ 20 °C)
0 d/yr
Solar radiation
9.6 MJ/m²
Has the climate changed?
One stripe per year, 1940 to 2025
+1.9 °C
since 1940
+0.2 °C per decade · r² = 0.27 · 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
31.0 °C
27 July 1994
Coldest day
-30.3 °C
18 February 1985
Wettest day
55 mm
18 August 2021
Windiest day
54.0 km/h
3 January 1954
Strongest gust
109.1 km/h
3 January 1954
Hottest feels-like
30.2 °C
26 July 2014
Coldest feels-like
-35.0 °C
18 February 1985
Snowiest day
21.3 cm
1 February 2018
Sunniest day
18.0 h
4 July 2021
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 | 0.6 °C | +2.9 °C | 98 mm | +55 mm |
| Feb | 1.1 °C | +3.0 °C | 12 mm | -21 mm |
| Mar | 6.7 °C | +4.6 °C | 12 mm | -20 mm |
| Apr | 10.0 °C | +3.3 °C | 33 mm | -7 mm |
| May | 11.8 °C | -0.3 °C | 45 mm | +2 mm |
| Jun | 17.3 °C | +0.6 °C | 84 mm | +27 mm |
| Jul | 21.4 °C | +1.8 °C | 112 mm | +38 mm |
| Aug | 18.9 °C | +0.2 °C | 41 mm | -37 mm |
| Sep | 16.9 °C | +2.5 °C | 82 mm | +23 mm |
| Oct | 10.1 °C | +1.6 °C | 77 mm | +19 mm |
| Nov | 4.4 °C | +1.7 °C | 35 mm | -23 mm |
| Dec | 4.3 °C | +4.7 °C | 43 mm | -7 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 Söderhamn?
Söderhamn has a warm-summer humid continental climate (Köppen Dfb). Over 1940-2025, the average annual temperature is 5.3 °C and it receives 624 mm of precipitation per year.
What is the hottest day ever recorded in Söderhamn?
The hottest day measured in Söderhamn between 1940 and 2025 was 27 July 1994, reaching 31.0 °C.
What is the coldest day in Söderhamn?
The coldest day measured in Söderhamn between 1940 and 2025 was 18 February 1985, at -30.3 °C.
Does it snow in Söderhamn?
Yes. Söderhamn gets on average 127.0 cm of snow per year and has around 138 frost days.
Has the climate of Söderhamn warmed?
Yes: Söderhamn warmed by +1.9 °C between 1940 and 2025, a statistically significant trend.
What is the wettest day in Söderhamn?
The wettest day measured in Söderhamn between 1940 and 2025 was 18 August 2021, with 55 mm of rain in 24 hours.
What was the windiest day in Söderhamn?
The windiest day measured in Söderhamn between 1940 and 2025 was 3 January 1954, with winds reaching 54.0 km/h.
What is the warmest month in Söderhamn?
The warmest month in Söderhamn is July (16.4 °C on average); the coldest is January (-4.4 °C).
How much does it rain in Söderhamn?
Söderhamn receives on average 624 mm of precipitation per year, spread over about 121 rainy days.
Is it sunny in Söderhamn?
Söderhamn gets on average 7.8 hours of sunshine per day, roughly 2,847 hours per year over 1940-2025.
What is the biggest single-day snowfall in Söderhamn?
The heaviest 24-hour snowfall measured in Söderhamn between 1940 and 2025 was 1 February 2018, with 21.3 cm.
Are there tropical nights in Söderhamn?
Almost never: tropical nights (temperature staying above 20 °C) are virtually non-existent in Söderhamn.
What was the most extreme apparent temperature in Söderhamn?
In Söderhamn, between 1940 and 2025, the highest apparent temperature reached 30.2 °C on 26 July 2014, and the lowest was -35.0 °C on 18 February 1985.
Compare Söderhamn with another city
Pick a second city: its normals will be set against these, indicator by indicator.
Nearby cities
The climate around Söderhamn