Ålesund climate — normals and trends
Ålesund (Norway) has a temperate oceanic climate (Cfb) under the Köppen-Geiger classification. Its mean annual temperature is 6.0 °C and it receives 1,953 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 August (12.7 °C on average) and the coldest is January (0.3 °C). Rainfall peaks in October.
Ålesund averages 72 frost days, 0 hot days (≥ 30 °C) and 210 rainy days per year.
Ålesund has warmed by +2.1 °C between 1940 and 2025, or +0.25 °C per decade. This trend is statistically significant.
The number of frost days there went from about 100 to 44 per year over the period.
The hottest day of the period reached 24.8 °C (on 3 August 1969) and the coldest -15.7 °C (on 26 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
ÅlesundMøre og Romsdal
- coords
- 62.47°, 6.15°
- period
- 1940–2025 · 86 yrs
Mean daily temperature
6.0°C
Average daily high
7.4°C
Average daily low
4.5°C
Annual rainfall
1,953mm
Sunshine / day
7.2h
Mean relative humidity
81%
Average peak wind
23.5km/h
Seasonal range
12.4°C
Frost days (< 0 °C)
72 d/yr
Hot days (≥ 30 °C)
0 d/yr
Rainy days (≥ 1 mm)
210 d/yr
Annual snowfall
266.4 cm
Average feels-like high
3.9 °C
Average feels-like low
0.3 °C
Average peak gust
38.6 km/h
Tropical nights (≥ 20 °C)
0 d/yr
Solar radiation
8.4 MJ/m²
Has the climate changed?
One stripe per year, 1940 to 2025
+2.1 °C
since 1940
+0.3 °C per decade · r² = 0.52 · 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
24.8 °C
3 August 1969
Coldest day
-15.7 °C
26 January 1942
Wettest day
76 mm
7 September 1966
Windiest day
83.1 km/h
26 December 2011
Strongest gust
166.3 km/h
1 January 1992
Hottest feels-like
26.5 °C
11 July 1941
Coldest feels-like
-22.5 °C
26 January 1942
Snowiest day
26.4 cm
20 March 1979
Sunniest day
19.0 h
14 June 1940
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 | +1.5 °C | 164 mm | -21 mm |
| Feb | 4.6 °C | +2.8 °C | 54 mm | -103 mm |
| Mar | 5.9 °C | +2.4 °C | 324 mm | +169 mm |
| Apr | 8.0 °C | +2.4 °C | 133 mm | +18 mm |
| May | 9.2 °C | +0.4 °C | 109 mm | +16 mm |
| Jun | 12.5 °C | +0.8 °C | 191 mm | +82 mm |
| Jul | 17.6 °C | +3.8 °C | 53 mm | -67 mm |
| Aug | 14.9 °C | +0.7 °C | 223 mm | +74 mm |
| Sep | 14.5 °C | +2.2 °C | 196 mm | -30 mm |
| Oct | 10.4 °C | +1.7 °C | 243 mm | +14 mm |
| Nov | 6.3 °C | +1.6 °C | 307 mm | +106 mm |
| Dec | 6.0 °C | +3.3 °C | 141 mm | -72 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 Ålesund?
Ålesund has a temperate oceanic climate (Köppen Cfb). Over 1940-2025, the average annual temperature is 6.0 °C and it receives 1,953 mm of precipitation per year.
What is the hottest day ever recorded in Ålesund?
The hottest day measured in Ålesund between 1940 and 2025 was 3 August 1969, reaching 24.8 °C.
What is the coldest day in Ålesund?
The coldest day measured in Ålesund between 1940 and 2025 was 26 January 1942, at -15.7 °C.
Does it snow in Ålesund?
Yes. Ålesund gets on average 266.4 cm of snow per year and has around 72 frost days.
Has the climate of Ålesund warmed?
Yes: Ålesund warmed by +2.1 °C between 1940 and 2025, a statistically significant trend.
What is the wettest day in Ålesund?
The wettest day measured in Ålesund between 1940 and 2025 was 7 September 1966, with 76 mm of rain in 24 hours.
What was the windiest day in Ålesund?
The windiest day measured in Ålesund between 1940 and 2025 was 26 December 2011, with winds reaching 83.1 km/h.
What is the warmest month in Ålesund?
The warmest month in Ålesund is August (12.7 °C on average); the coldest is January (0.3 °C).
How much does it rain in Ålesund?
Ålesund receives on average 1,953 mm of precipitation per year, spread over about 210 rainy days.
Is it sunny in Ålesund?
Ålesund gets on average 7.2 hours of sunshine per day, roughly 2,628 hours per year over 1940-2025.
What is the biggest single-day snowfall in Ålesund?
The heaviest 24-hour snowfall measured in Ålesund between 1940 and 2025 was 20 March 1979, with 26.4 cm.
Are there tropical nights in Ålesund?
Almost never: tropical nights (temperature staying above 20 °C) are virtually non-existent in Ålesund.
What was the most extreme apparent temperature in Ålesund?
In Ålesund, between 1940 and 2025, the highest apparent temperature reached 26.5 °C on 11 July 1941, and the lowest was -22.5 °C on 26 January 1942.
Compare Ålesund with another city
Pick a second city: its normals will be set against these, indicator by indicator.
Nearby cities
The climate around Ålesund