Åsa climate — normals and trends
Åsa (Sweden) has a temperate oceanic climate (Cfb) under the Köppen-Geiger classification. Its mean annual temperature is 8.2 °C and it receives 931 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 (0.1 °C). Rainfall peaks in August.
Åsa averages 57 frost days, 0 hot days (≥ 30 °C) and 153 rainy days per year.
Åsa has warmed by +2.1 °C between 1940 and 2025, or +0.24 °C per decade. This trend is statistically significant.
The number of frost days there went from about 77 to 37 per year over the period.
The hottest day of the period reached 29.8 °C (on 11 July 1941) and the coldest -19.7 °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
ÅsaHalland County
- coords
- 57.35°, 12.12°
- period
- 1940–2025 · 86 yrs
Mean daily temperature
8.2°C
Average daily high
9.8°C
Average daily low
6.6°C
Annual rainfall
931mm
Sunshine / day
8.0h
Mean relative humidity
81%
Average peak wind
27.3km/h
Seasonal range
16.7°C
Frost days (< 0 °C)
57 d/yr
Hot days (≥ 30 °C)
0 d/yr
Rainy days (≥ 1 mm)
153 d/yr
Annual snowfall
54.8 cm
Average feels-like high
6.3 °C
Average feels-like low
2.3 °C
Average peak gust
40.4 km/h
Tropical nights (≥ 20 °C)
0 d/yr
Solar radiation
10.7 MJ/m²
Has the climate changed?
One stripe per year, 1940 to 2025
+2.1 °C
since 1940
+0.2 °C per decade · r² = 0.40 · 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
29.8 °C
11 July 1941
Coldest day
-19.7 °C
10 January 1987
Wettest day
53 mm
4 August 2008
Windiest day
83.3 km/h
8 January 2005
Strongest gust
146.9 km/h
8 January 2005
Hottest feels-like
31.0 °C
11 July 1941
Coldest feels-like
-28.5 °C
10 January 1987
Snowiest day
18.5 cm
17 November 1995
Sunniest day
17.1 h
29 June 2009
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 | 4.5 °C | +2.7 °C | 110 mm | +35 mm |
| Feb | 2.8 °C | +1.3 °C | 43 mm | -13 mm |
| Mar | 6.7 °C | +3.1 °C | 37 mm | -15 mm |
| Apr | 11.0 °C | +3.5 °C | 24 mm | -27 mm |
| May | 13.2 °C | +0.5 °C | 54 mm | +1 mm |
| Jun | 16.6 °C | +0.2 °C | 80 mm | +14 mm |
| Jul | 20.9 °C | +2.4 °C | 73 mm | -12 mm |
| Aug | 18.8 °C | +0.5 °C | 59 mm | -46 mm |
| Sep | 17.3 °C | +2.0 °C | 158 mm | +56 mm |
| Oct | 12.1 °C | +1.1 °C | 128 mm | +24 mm |
| Nov | 7.7 °C | +1.0 °C | 111 mm | +14 mm |
| Dec | 6.5 °C | +2.8 °C | 82 mm | -5 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 Åsa?
Åsa has a temperate oceanic climate (Köppen Cfb). Over 1940-2025, the average annual temperature is 8.2 °C and it receives 931 mm of precipitation per year.
What is the hottest day ever recorded in Åsa?
The hottest day measured in Åsa between 1940 and 2025 was 11 July 1941, reaching 29.8 °C.
What is the coldest day in Åsa?
The coldest day measured in Åsa between 1940 and 2025 was 10 January 1987, at -19.7 °C.
Does it snow in Åsa?
Yes. Åsa gets on average 54.8 cm of snow per year and has around 57 frost days.
Has the climate of Åsa warmed?
Yes: Åsa warmed by +2.1 °C between 1940 and 2025, a statistically significant trend.
What is the wettest day in Åsa?
The wettest day measured in Åsa between 1940 and 2025 was 4 August 2008, with 53 mm of rain in 24 hours.
What was the windiest day in Åsa?
The windiest day measured in Åsa between 1940 and 2025 was 8 January 2005, with winds reaching 83.3 km/h.
What is the warmest month in Åsa?
The warmest month in Åsa is July (16.8 °C on average); the coldest is February (0.1 °C).
How much does it rain in Åsa?
Åsa receives on average 931 mm of precipitation per year, spread over about 153 rainy days.
Is it sunny in Åsa?
Åsa gets on average 8.0 hours of sunshine per day, roughly 2,920 hours per year over 1940-2025.
What is the biggest single-day snowfall in Åsa?
The heaviest 24-hour snowfall measured in Åsa between 1940 and 2025 was 17 November 1995, with 18.5 cm.
Are there tropical nights in Åsa?
Almost never: tropical nights (temperature staying above 20 °C) are virtually non-existent in Åsa.
What was the most extreme apparent temperature in Åsa?
In Åsa, between 1940 and 2025, the highest apparent temperature reached 31.0 °C on 11 July 1941, and the lowest was -28.5 °C on 10 January 1987.
Compare Åsa with another city
Pick a second city: its normals will be set against these, indicator by indicator.
Nearby cities
The climate around Åsa