Piteå climate — normals and trends
Piteå (Sweden) has a subarctic climate (Dfc) under the Köppen-Geiger classification. Its mean annual temperature is 2.7 °C and it receives 586 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 (-8.6 °C). Rainfall peaks in August.
Piteå averages 175 frost days, 0 hot days (≥ 30 °C) and 115 rainy days per year.
Piteå 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 183 to 167 per year over the period.
The hottest day of the period reached 29.0 °C (on 24 July 2025) and the coldest -35.5 °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
PiteåNorrbotten County
- coords
- 65.32°, 21.48°
- period
- 1940–2025 · 86 yrs
Mean daily temperature
2.7°C
Average daily high
5.1°C
Average daily low
0.1°C
Annual rainfall
586mm
Sunshine / day
7.7h
Mean relative humidity
79%
Average peak wind
20.2km/h
Seasonal range
24.0°C
Frost days (< 0 °C)
175 d/yr
Hot days (≥ 30 °C)
0 d/yr
Rainy days (≥ 1 mm)
115 d/yr
Annual snowfall
157.8 cm
Average feels-like high
1.3 °C
Average feels-like low
-4.1 °C
Average peak gust
35.0 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
+1.8 °C
since 1940
+0.2 °C per decade · r² = 0.24 · 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
29.0 °C
24 July 2025
Coldest day
-35.5 °C
28 January 1999
Wettest day
48 mm
15 August 1975
Windiest day
57.1 km/h
26 December 1992
Strongest gust
106.9 km/h
26 December 1992
Hottest feels-like
29.7 °C
24 July 2025
Coldest feels-like
-40.4 °C
28 January 1999
Snowiest day
20.6 cm
4 December 1947
Sunniest day
20.8 h
20 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 | -4.3 °C | +1.8 °C | 64 mm | +23 mm |
| Feb | -1.3 °C | +4.9 °C | 19 mm | -12 mm |
| Mar | 2.4 °C | +4.2 °C | 27 mm | -5 mm |
| Apr | 6.5 °C | +3.3 °C | 17 mm | -18 mm |
| May | 9.5 °C | +0.5 °C | 46 mm | +9 mm |
| Jun | 14.3 °C | +0.2 °C | 71 mm | +20 mm |
| Jul | 22.2 °C | +4.3 °C | 47 mm | -16 mm |
| Aug | 17.5 °C | +0.8 °C | 53 mm | -18 mm |
| Sep | 14.8 °C | +2.8 °C | 96 mm | +35 mm |
| Oct | 8.2 °C | +2.7 °C | 99 mm | +42 mm |
| Nov | -0.6 °C | -0.7 °C | 44 mm | -12 mm |
| Dec | -0.2 °C | +2.9 °C | 69 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 Piteå?
Piteå has a subarctic climate (Köppen Dfc). Over 1940-2025, the average annual temperature is 2.7 °C and it receives 586 mm of precipitation per year.
What is the hottest day ever recorded in Piteå?
The hottest day measured in Piteå between 1940 and 2025 was 24 July 2025, reaching 29.0 °C.
What is the coldest day in Piteå?
The coldest day measured in Piteå between 1940 and 2025 was 28 January 1999, at -35.5 °C.
Does it snow in Piteå?
Yes. Piteå gets on average 157.8 cm of snow per year and has around 175 frost days.
Has the climate of Piteå warmed?
Yes: Piteå warmed by +1.8 °C between 1940 and 2025, a statistically significant trend.
What is the wettest day in Piteå?
The wettest day measured in Piteå between 1940 and 2025 was 15 August 1975, with 48 mm of rain in 24 hours.
What was the windiest day in Piteå?
The windiest day measured in Piteå between 1940 and 2025 was 26 December 1992, with winds reaching 57.1 km/h.
What is the warmest month in Piteå?
The warmest month in Piteå is July (15.4 °C on average); the coldest is February (-8.6 °C).
How much does it rain in Piteå?
Piteå receives on average 586 mm of precipitation per year, spread over about 115 rainy days.
Is it sunny in Piteå?
Piteå 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 Piteå?
The heaviest 24-hour snowfall measured in Piteå between 1940 and 2025 was 4 December 1947, with 20.6 cm.
Are there tropical nights in Piteå?
Almost never: tropical nights (temperature staying above 20 °C) are virtually non-existent in Piteå.
What was the most extreme apparent temperature in Piteå?
In Piteå, between 1940 and 2025, the highest apparent temperature reached 29.7 °C on 24 July 2025, and the lowest was -40.4 °C on 28 January 1999.
Compare Piteå with another city
Pick a second city: its normals will be set against these, indicator by indicator.
Nearby cities
The climate around Piteå