Ås climate — normals and trends
Ås (Norway) has a warm-summer humid continental climate (Dfb) under the Köppen-Geiger classification. Its mean annual temperature is 5.9 °C and it receives 857 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 (17.2 °C on average) and the coldest is January (-5.4 °C). Rainfall peaks in August.
Ås averages 130 frost days, 1 hot days (≥ 30 °C) and 125 rainy days per year.
Ås has warmed by +3.0 °C between 1940 and 2025, or +0.35 °C per decade. This trend is statistically significant.
The number of frost days there went from about 154 to 106 per year over the period.
The hottest day of the period reached 34.1 °C (on 10 August 1975) and the coldest -29.7 °C (on 10 February 1985).
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
ÅsAkershus
- coords
- 59.66°, 10.79°
- period
- 1940–2025 · 86 yrs
Mean daily temperature
5.9°C
Average daily high
9.2°C
Average daily low
2.6°C
Annual rainfall
857mm
Sunshine / day
7.7h
Mean relative humidity
79%
Average peak wind
13.9km/h
Seasonal range
22.6°C
Frost days (< 0 °C)
130 d/yr
Hot days (≥ 30 °C)
1 d/yr
Rainy days (≥ 1 mm)
125 d/yr
Annual snowfall
146.1 cm
Average feels-like high
6.5 °C
Average feels-like low
-0.4 °C
Average peak gust
30.9 km/h
Tropical nights (≥ 20 °C)
0 d/yr
Solar radiation
9.6 MJ/m²
Has the climate changed?
One stripe per year, 1940 to 2025
+3.0 °C
since 1940
+0.4 °C per decade · r² = 0.43 · 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
34.1 °C
10 August 1975
Coldest day
-29.7 °C
10 February 1985
Wettest day
60 mm
31 July 1989
Windiest day
39.1 km/h
5 January 1976
Strongest gust
99.4 km/h
15 September 1994
Hottest feels-like
33.4 °C
10 August 1975
Coldest feels-like
-34.7 °C
10 February 1985
Snowiest day
26.9 cm
11 March 2021
Sunniest day
17.9 h
19 June 2002
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 | 0.1 °C | +3.1 °C | 98 mm | +36 mm |
| Feb | 1.3 °C | +2.9 °C | 32 mm | -16 mm |
| Mar | 8.5 °C | +5.1 °C | 15 mm | -34 mm |
| Apr | 14.1 °C | +5.3 °C | 38 mm | -12 mm |
| May | 17.2 °C | +2.0 °C | 34 mm | -30 mm |
| Jun | 19.4 °C | +0.1 °C | 70 mm | -6 mm |
| Jul | 24.5 °C | +3.4 °C | 106 mm | +17 mm |
| Aug | 20.4 °C | +0.6 °C | 88 mm | -7 mm |
| Sep | 16.8 °C | +1.5 °C | 157 mm | +75 mm |
| Oct | 10.6 °C | +1.2 °C | 151 mm | +63 mm |
| Nov | 5.9 °C | +2.3 °C | 86 mm | +1 mm |
| Dec | 4.0 °C | +4.7 °C | 98 mm | +30 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 Ås?
Ås has a warm-summer humid continental climate (Köppen Dfb). Over 1940-2025, the average annual temperature is 5.9 °C and it receives 857 mm of precipitation per year.
What is the hottest day ever recorded in Ås?
The hottest day measured in Ås between 1940 and 2025 was 10 August 1975, reaching 34.1 °C.
What is the coldest day in Ås?
The coldest day measured in Ås between 1940 and 2025 was 10 February 1985, at -29.7 °C.
Does it snow in Ås?
Yes. Ås gets on average 146.1 cm of snow per year and has around 130 frost days.
Has the climate of Ås warmed?
Yes: Ås warmed by +3.0 °C between 1940 and 2025, a statistically significant trend.
What is the wettest day in Ås?
The wettest day measured in Ås between 1940 and 2025 was 31 July 1989, with 60 mm of rain in 24 hours.
What was the windiest day in Ås?
The windiest day measured in Ås between 1940 and 2025 was 5 January 1976, with winds reaching 39.1 km/h.
What is the warmest month in Ås?
The warmest month in Ås is July (17.2 °C on average); the coldest is January (-5.4 °C).
How much does it rain in Ås?
Ås receives on average 857 mm of precipitation per year, spread over about 125 rainy days.
Is it sunny in Ås?
Ås 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 Ås?
The heaviest 24-hour snowfall measured in Ås between 1940 and 2025 was 11 March 2021, with 26.9 cm.
Are there tropical nights in Ås?
Almost never: tropical nights (temperature staying above 20 °C) are virtually non-existent in Ås.
What was the most extreme apparent temperature in Ås?
In Ås, between 1940 and 2025, the highest apparent temperature reached 33.4 °C on 10 August 1975, and the lowest was -34.7 °C on 10 February 1985.
Compare Ås with another city
Pick a second city: its normals will be set against these, indicator by indicator.
Nearby cities
The climate around Ås