Örnsköldsvik climate — normals and trends
Örnsköldsvik (Sweden) has a warm-summer humid continental climate (Dfb) under the Köppen-Geiger classification. Its mean annual temperature is 3.9 °C and it receives 669 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 (15.4 °C on average) and the coldest is February (-6.0 °C). Rainfall peaks in August.
Örnsköldsvik averages 154 frost days, 0 hot days (≥ 30 °C) and 121 rainy days per year.
Örnsköldsvik 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 167 to 141 per year over the period.
The hottest day of the period reached 27.4 °C (on 23 July 2025) and the coldest -30.0 °C (on 9 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
ÖrnsköldsvikVästernorrland County
- coords
- 63.29°, 18.72°
- period
- 1940–2025 · 86 yrs
Mean daily temperature
3.9°C
Average daily high
6.3°C
Average daily low
1.4°C
Annual rainfall
669mm
Sunshine / day
7.7h
Mean relative humidity
79%
Average peak wind
21.7km/h
Seasonal range
21.4°C
Frost days (< 0 °C)
154 d/yr
Hot days (≥ 30 °C)
0 d/yr
Rainy days (≥ 1 mm)
121 d/yr
Annual snowfall
159.6 cm
Average feels-like high
2.5 °C
Average feels-like low
-2.8 °C
Average peak gust
37.9 km/h
Tropical nights (≥ 20 °C)
0 d/yr
Solar radiation
9.2 MJ/m²
Has the climate changed?
One stripe per year, 1940 to 2025
+1.9 °C
since 1940
+0.2 °C per decade · r² = 0.28 · 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
27.4 °C
23 July 2025
Coldest day
-30.0 °C
9 January 1987
Wettest day
48 mm
12 August 1954
Windiest day
59.4 km/h
23 December 1975
Strongest gust
110.2 km/h
1 March 1943
Hottest feels-like
29.3 °C
23 July 2014
Coldest feels-like
-36.8 °C
9 January 1987
Snowiest day
25.6 cm
18 December 1966
Sunniest day
19.2 h
13 June 2020
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 | -1.0 °C | +2.6 °C | 79 mm | +27 mm |
| Feb | -0.9 °C | +2.9 °C | 23 mm | -15 mm |
| Mar | 3.8 °C | +4.1 °C | 10 mm | -28 mm |
| Apr | 6.7 °C | +2.5 °C | 16 mm | -22 mm |
| May | 9.4 °C | -0.3 °C | 61 mm | +21 mm |
| Jun | 14.4 °C | 0.0 °C | 73 mm | +24 mm |
| Jul | 21.5 °C | +3.5 °C | 65 mm | -4 mm |
| Aug | 17.5 °C | +0.4 °C | 79 mm | -0 mm |
| Sep | 14.8 °C | +2.1 °C | 134 mm | +64 mm |
| Oct | 9.1 °C | +2.2 °C | 106 mm | +42 mm |
| Nov | 2.3 °C | +0.7 °C | 44 mm | -25 mm |
| Dec | 2.4 °C | +3.7 °C | 89 mm | +25 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 Örnsköldsvik?
Örnsköldsvik has a warm-summer humid continental climate (Köppen Dfb). Over 1940-2025, the average annual temperature is 3.9 °C and it receives 669 mm of precipitation per year.
What is the hottest day ever recorded in Örnsköldsvik?
The hottest day measured in Örnsköldsvik between 1940 and 2025 was 23 July 2025, reaching 27.4 °C.
What is the coldest day in Örnsköldsvik?
The coldest day measured in Örnsköldsvik between 1940 and 2025 was 9 January 1987, at -30.0 °C.
Does it snow in Örnsköldsvik?
Yes. Örnsköldsvik gets on average 159.6 cm of snow per year and has around 154 frost days.
Has the climate of Örnsköldsvik warmed?
Yes: Örnsköldsvik warmed by +1.9 °C between 1940 and 2025, a statistically significant trend.
What is the wettest day in Örnsköldsvik?
The wettest day measured in Örnsköldsvik between 1940 and 2025 was 12 August 1954, with 48 mm of rain in 24 hours.
What was the windiest day in Örnsköldsvik?
The windiest day measured in Örnsköldsvik between 1940 and 2025 was 23 December 1975, with winds reaching 59.4 km/h.
What is the warmest month in Örnsköldsvik?
The warmest month in Örnsköldsvik is July (15.4 °C on average); the coldest is February (-6.0 °C).
How much does it rain in Örnsköldsvik?
Örnsköldsvik receives on average 669 mm of precipitation per year, spread over about 121 rainy days.
Is it sunny in Örnsköldsvik?
Örnsköldsvik gets on average 7.7 hours of sunshine per day, roughly 2,811 hours per year over 1940-2025.
What is the biggest single-day snowfall in Örnsköldsvik?
The heaviest 24-hour snowfall measured in Örnsköldsvik between 1940 and 2025 was 18 December 1966, with 25.6 cm.
Are there tropical nights in Örnsköldsvik?
Almost never: tropical nights (temperature staying above 20 °C) are virtually non-existent in Örnsköldsvik.
What was the most extreme apparent temperature in Örnsköldsvik?
In Örnsköldsvik, between 1940 and 2025, the highest apparent temperature reached 29.3 °C on 23 July 2014, and the lowest was -36.8 °C on 9 January 1987.
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Nearby cities
The climate around Örnsköldsvik