Åkersberga climate — normals and trends
Åkersberga (Sweden) has a warm-summer humid continental climate (Dfb) under the Köppen-Geiger classification. Its mean annual temperature is 6.3 °C and it receives 579 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 (16.8 °C on average) and the coldest is February (-3.0 °C). Rainfall peaks in August.
Åkersberga averages 115 frost days, 0 hot days (≥ 30 °C) and 119 rainy days per year.
Åkersberga 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 132 to 98 per year over the period.
The hottest day of the period reached 31.9 °C (on 8 August 1975) and the coldest -26.0 °C (on 10 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
ÅkersbergaStockholm County
- coords
- 59.48°, 18.30°
- period
- 1940–2025 · 86 yrs
Mean daily temperature
6.3°C
Average daily high
8.8°C
Average daily low
3.8°C
Annual rainfall
579mm
Sunshine / day
7.8h
Mean relative humidity
81%
Average peak wind
19.4km/h
Seasonal range
19.8°C
Frost days (< 0 °C)
115 d/yr
Hot days (≥ 30 °C)
0 d/yr
Rainy days (≥ 1 mm)
119 d/yr
Annual snowfall
85.3 cm
Average feels-like high
5.6 °C
Average feels-like low
0.2 °C
Average peak gust
36.9 km/h
Tropical nights (≥ 20 °C)
0 d/yr
Solar radiation
9.9 MJ/m²
Has the climate changed?
One stripe per year, 1940 to 2025
+1.9 °C
since 1940
+0.2 °C per decade · r² = 0.30 · 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
31.9 °C
8 August 1975
Coldest day
-26.0 °C
10 January 1987
Wettest day
52 mm
9 July 1945
Windiest day
53.9 km/h
2 November 1969
Strongest gust
105.1 km/h
2 November 1969
Hottest feels-like
31.8 °C
6 August 1975
Coldest feels-like
-33.1 °C
10 January 1987
Snowiest day
15.7 cm
9 November 2010
Sunniest day
18.0 h
24 June 2001
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 | 1.5 °C | +2.4 °C | 62 mm | +20 mm |
| Feb | 1.1 °C | +1.9 °C | 7 mm | -25 mm |
| Mar | 6.6 °C | +4.2 °C | 7 mm | -23 mm |
| Apr | 9.8 °C | +2.7 °C | 20 mm | -16 mm |
| May | 11.9 °C | -0.5 °C | 31 mm | -8 mm |
| Jun | 17.5 °C | +0.5 °C | 73 mm | +18 mm |
| Jul | 21.7 °C | +2.0 °C | 97 mm | +28 mm |
| Aug | 18.6 °C | -0.4 °C | 73 mm | +1 mm |
| Sep | 17.1 °C | +2.4 °C | 69 mm | +14 mm |
| Oct | 10.6 °C | +1.3 °C | 53 mm | +2 mm |
| Nov | 5.4 °C | +1.3 °C | 30 mm | -22 mm |
| Dec | 4.8 °C | +3.7 °C | 43 mm | -4 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 Åkersberga?
Åkersberga has a warm-summer humid continental climate (Köppen Dfb). Over 1940-2025, the average annual temperature is 6.3 °C and it receives 579 mm of precipitation per year.
What is the hottest day ever recorded in Åkersberga?
The hottest day measured in Åkersberga between 1940 and 2025 was 8 August 1975, reaching 31.9 °C.
What is the coldest day in Åkersberga?
The coldest day measured in Åkersberga between 1940 and 2025 was 10 January 1987, at -26.0 °C.
Does it snow in Åkersberga?
Yes. Åkersberga gets on average 85.3 cm of snow per year and has around 115 frost days.
Has the climate of Åkersberga warmed?
Yes: Åkersberga warmed by +1.9 °C between 1940 and 2025, a statistically significant trend.
What is the wettest day in Åkersberga?
The wettest day measured in Åkersberga between 1940 and 2025 was 9 July 1945, with 52 mm of rain in 24 hours.
What was the windiest day in Åkersberga?
The windiest day measured in Åkersberga between 1940 and 2025 was 2 November 1969, with winds reaching 53.9 km/h.
What is the warmest month in Åkersberga?
The warmest month in Åkersberga is July (16.8 °C on average); the coldest is February (-3.0 °C).
How much does it rain in Åkersberga?
Åkersberga receives on average 579 mm of precipitation per year, spread over about 119 rainy days.
Is it sunny in Åkersberga?
Åkersberga 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 Åkersberga?
The heaviest 24-hour snowfall measured in Åkersberga between 1940 and 2025 was 9 November 2010, with 15.7 cm.
Are there tropical nights in Åkersberga?
Almost never: tropical nights (temperature staying above 20 °C) are virtually non-existent in Åkersberga.
What was the most extreme apparent temperature in Åkersberga?
In Åkersberga, between 1940 and 2025, the highest apparent temperature reached 31.8 °C on 6 August 1975, and the lowest was -33.1 °C on 10 January 1987.
Compare Åkersberga with another city
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Nearby cities
The climate around Åkersberga