Skellefteå climate — normals and trends
Skellefteå (Sweden) has a subarctic climate (Dfc) under the Köppen-Geiger classification. Its mean annual temperature is 2.8 °C and it receives 611 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 (15.2 °C on average) and the coldest is February (-8.3 °C). Rainfall peaks in August.
Skellefteå averages 171 frost days, 0 hot days (≥ 30 °C) and 119 rainy days per year.
Skellefteå has warmed by +1.9 °C between 1940 and 2025, or +0.23 °C per decade. This trend is statistically significant.
The number of frost days there went from about 181 to 161 per year over the period.
The hottest day of the period reached 30.8 °C (on 17 July 2003) and the coldest -33.1 °C (on 28 January 1999).
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
SkellefteåVästerbotten County
- coords
- 64.75°, 20.95°
- period
- 1940–2025 · 86 yrs
Mean daily temperature
2.8°C
Average daily high
5.3°C
Average daily low
0.4°C
Annual rainfall
611mm
Sunshine / day
7.5h
Mean relative humidity
80%
Average peak wind
19.1km/h
Seasonal range
23.5°C
Frost days (< 0 °C)
171 d/yr
Hot days (≥ 30 °C)
0 d/yr
Rainy days (≥ 1 mm)
119 d/yr
Annual snowfall
157.4 cm
Average feels-like high
1.6 °C
Average feels-like low
-3.6 °C
Average peak gust
31.6 km/h
Tropical nights (≥ 20 °C)
0 d/yr
Solar radiation
9.0 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
30.8 °C
17 July 2003
Coldest day
-33.1 °C
28 January 1999
Wettest day
48 mm
24 August 1963
Windiest day
57.8 km/h
26 December 1992
Strongest gust
101.2 km/h
26 December 1992
Hottest feels-like
30.8 °C
24 July 2025
Coldest feels-like
-38.4 °C
28 January 1999
Snowiest day
21.5 cm
4 November 1968
Sunniest day
20.3 h
24 June 2018
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 | -3.3 °C | +2.3 °C | 64 mm | +23 mm |
| Feb | -1.9 °C | +4.1 °C | 20 mm | -10 mm |
| Mar | 2.8 °C | +4.5 °C | 20 mm | -12 mm |
| Apr | 6.9 °C | +3.5 °C | 14 mm | -22 mm |
| May | 9.5 °C | +0.2 °C | 38 mm | -1 mm |
| Jun | 14.5 °C | +0.2 °C | 68 mm | +16 mm |
| Jul | 22.0 °C | +4.3 °C | 38 mm | -29 mm |
| Aug | 17.1 °C | +0.4 °C | 54 mm | -21 mm |
| Sep | 14.7 °C | +2.7 °C | 98 mm | +31 mm |
| Oct | 8.1 °C | +2.4 °C | 103 mm | +41 mm |
| Nov | 0.5 °C | 0.0 °C | 48 mm | -10 mm |
| Dec | 0.6 °C | +3.1 °C | 70 mm | +17 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 Skellefteå?
Skellefteå has a subarctic climate (Köppen Dfc). Over 1940-2025, the average annual temperature is 2.8 °C and it receives 611 mm of precipitation per year.
What is the hottest day ever recorded in Skellefteå?
The hottest day measured in Skellefteå between 1940 and 2025 was 17 July 2003, reaching 30.8 °C.
What is the coldest day in Skellefteå?
The coldest day measured in Skellefteå between 1940 and 2025 was 28 January 1999, at -33.1 °C.
Does it snow in Skellefteå?
Yes. Skellefteå gets on average 157.4 cm of snow per year and has around 171 frost days.
Has the climate of Skellefteå warmed?
Yes: Skellefteå warmed by +1.9 °C between 1940 and 2025, a statistically significant trend.
What is the wettest day in Skellefteå?
The wettest day measured in Skellefteå between 1940 and 2025 was 24 August 1963, with 48 mm of rain in 24 hours.
What was the windiest day in Skellefteå?
The windiest day measured in Skellefteå between 1940 and 2025 was 26 December 1992, with winds reaching 57.8 km/h.
What is the warmest month in Skellefteå?
The warmest month in Skellefteå is July (15.2 °C on average); the coldest is February (-8.3 °C).
How much does it rain in Skellefteå?
Skellefteå receives on average 611 mm of precipitation per year, spread over about 119 rainy days.
Is it sunny in Skellefteå?
Skellefteå 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 Skellefteå?
The heaviest 24-hour snowfall measured in Skellefteå between 1940 and 2025 was 4 November 1968, with 21.5 cm.
Are there tropical nights in Skellefteå?
Almost never: tropical nights (temperature staying above 20 °C) are virtually non-existent in Skellefteå.
What was the most extreme apparent temperature in Skellefteå?
In Skellefteå, between 1940 and 2025, the highest apparent temperature reached 30.8 °C on 24 July 2025, and the lowest was -38.4 °C on 28 January 1999.
Compare Skellefteå with another city
Pick a second city: its normals will be set against these, indicator by indicator.
Nearby cities
The climate around Skellefteå