Alingsås climate — normals and trends
Alingsås (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 816 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 (16.3 °C on average) and the coldest is February (-2.1 °C). Rainfall peaks in August.
Alingsås averages 107 frost days, 1 hot days (≥ 30 °C) and 140 rainy days per year.
Alingsås has warmed by +1.7 °C between 1940 and 2025, or +0.20 °C per decade. This trend is statistically significant.
The number of frost days there went from about 123 to 91 per year over the period.
The hottest day of the period reached 33.0 °C (on 13 July 1941) and the coldest -30.9 °C (on 28 January 1942).
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
AlingsåsVästra Götaland County
- coords
- 57.93°, 12.53°
- period
- 1940–2025 · 86 yrs
Mean daily temperature
6.8°C
Average daily high
10.0°C
Average daily low
3.6°C
Annual rainfall
816mm
Sunshine / day
7.6h
Mean relative humidity
82%
Average peak wind
16.8km/h
Seasonal range
18.4°C
Frost days (< 0 °C)
107 d/yr
Hot days (≥ 30 °C)
1 d/yr
Rainy days (≥ 1 mm)
140 d/yr
Annual snowfall
83.5 cm
Average feels-like high
7.2 °C
Average feels-like low
0.4 °C
Average peak gust
38.1 km/h
Tropical nights (≥ 20 °C)
0 d/yr
Solar radiation
9.7 MJ/m²
Has the climate changed?
One stripe per year, 1940 to 2025
+1.7 °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
33.0 °C
13 July 1941
Coldest day
-30.9 °C
28 January 1942
Wettest day
49 mm
8 August 1971
Windiest day
52.7 km/h
22 September 1969
Strongest gust
112.3 km/h
22 February 2008
Hottest feels-like
34.5 °C
7 August 1975
Coldest feels-like
-36.6 °C
28 January 1942
Snowiest day
19.8 cm
4 April 1998
Sunniest day
17.4 h
29 June 2018
Normals computed over complete calendar years 1940–2025.
A specific year
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Across the whole year
Month by month
| High | vs. normal | Precipitation | vs. normal | |
|---|---|---|---|---|
| Jan | 3.0 °C | +3.0 °C | 100 mm | +40 mm |
| Feb | 2.4 °C | +1.9 °C | 24 mm | -22 mm |
| Mar | 8.1 °C | +3.8 °C | 21 mm | -23 mm |
| Apr | 13.3 °C | +3.7 °C | 30 mm | -23 mm |
| May | 14.3 °C | -0.9 °C | 48 mm | -15 mm |
| Jun | 18.3 °C | -0.3 °C | 81 mm | +1 mm |
| Jul | 22.8 °C | +2.5 °C | 82 mm | -11 mm |
| Aug | 19.7 °C | +0.3 °C | 50 mm | -48 mm |
| Sep | 17.4 °C | +2.0 °C | 94 mm | +13 mm |
| Oct | 11.2 °C | +0.9 °C | 73 mm | +0 mm |
| Nov | 5.8 °C | +0.9 °C | 55 mm | -10 mm |
| Dec | 4.9 °C | +3.1 °C | 62 mm | -0 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 Alingsås?
Alingsås has a warm-summer humid continental climate (Köppen Dfb). Over 1940-2025, the average annual temperature is 6.8 °C and it receives 816 mm of precipitation per year.
What is the hottest day ever recorded in Alingsås?
The hottest day measured in Alingsås between 1940 and 2025 was 13 July 1941, reaching 33.0 °C.
What is the coldest day in Alingsås?
The coldest day measured in Alingsås between 1940 and 2025 was 28 January 1942, at -30.9 °C.
Does it snow in Alingsås?
Yes. Alingsås gets on average 83.5 cm of snow per year and has around 107 frost days.
Has the climate of Alingsås warmed?
Yes: Alingsås warmed by +1.7 °C between 1940 and 2025, a statistically significant trend.
What is the wettest day in Alingsås?
The wettest day measured in Alingsås between 1940 and 2025 was 8 August 1971, with 49 mm of rain in 24 hours.
What was the windiest day in Alingsås?
The windiest day measured in Alingsås between 1940 and 2025 was 22 September 1969, with winds reaching 52.7 km/h.
What is the warmest month in Alingsås?
The warmest month in Alingsås is July (16.3 °C on average); the coldest is February (-2.1 °C).
How much does it rain in Alingsås?
Alingsås receives on average 816 mm of precipitation per year, spread over about 140 rainy days.
Is it sunny in Alingsås?
Alingsås gets on average 7.6 hours of sunshine per day, roughly 2,774 hours per year over 1940-2025.
What is the biggest single-day snowfall in Alingsås?
The heaviest 24-hour snowfall measured in Alingsås between 1940 and 2025 was 4 April 1998, with 19.8 cm.
Are there tropical nights in Alingsås?
Almost never: tropical nights (temperature staying above 20 °C) are virtually non-existent in Alingsås.
What was the most extreme apparent temperature in Alingsås?
In Alingsås, between 1940 and 2025, the highest apparent temperature reached 34.5 °C on 7 August 1975, and the lowest was -36.6 °C on 28 January 1942.
Compare Alingsås with another city
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Nearby cities
The climate around Alingsås