Akranes climate — normals and trends
Akranes (Iceland) has a subarctic climate (Dfc) under the Köppen-Geiger classification. Its mean annual temperature is 3.9 °C and it receives 1,244 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 (10.9 °C on average) and the coldest is January (-1.9 °C). Rainfall peaks in October.
Akranes averages 133 frost days, 0 hot days (≥ 30 °C) and 191 rainy days per year.
Akranes has warmed by +2.2 °C between 1940 and 2025, or +0.26 °C per decade. This trend is statistically significant.
The number of frost days there went from about 158 to 108 per year over the period.
The hottest day of the period reached 23.8 °C (on 30 July 2008) and the coldest -26.9 °C (on 7 February 1969).
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
AkranesWest
- coords
- 64.32°, -22.07°
- period
- 1940–2025 · 86 yrs
Mean daily temperature
3.9°C
Average daily high
6.3°C
Average daily low
1.4°C
Annual rainfall
1,244mm
Sunshine / day
6.7h
Mean relative humidity
81%
Average peak wind
20.7km/h
Seasonal range
12.8°C
Frost days (< 0 °C)
133 d/yr
Hot days (≥ 30 °C)
0 d/yr
Rainy days (≥ 1 mm)
191 d/yr
Annual snowfall
179.3 cm
Average feels-like high
2.5 °C
Average feels-like low
-2.7 °C
Average peak gust
45.5 km/h
Tropical nights (≥ 20 °C)
0 d/yr
Solar radiation
8.1 MJ/m²
Has the climate changed?
One stripe per year, 1940 to 2025
+2.2 °C
since 1940
+0.3 °C per decade · r² = 0.41 · 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
23.8 °C
30 July 2008
Coldest day
-26.9 °C
7 February 1969
Wettest day
50 mm
16 March 1969
Windiest day
70.0 km/h
3 February 1991
Strongest gust
158.8 km/h
16 February 1981
Hottest feels-like
23.3 °C
31 July 1980
Coldest feels-like
-31.9 °C
7 February 1969
Snowiest day
20.9 cm
30 January 1952
Sunniest day
19.8 h
19 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 | 0.3 °C | -0.3 °C | 128 mm | +7 mm |
| Feb | 4.8 °C | +3.6 °C | 159 mm | +45 mm |
| Mar | 5.0 °C | +2.7 °C | 166 mm | +52 mm |
| Apr | 7.7 °C | +2.7 °C | 57 mm | -39 mm |
| May | 11.0 °C | +2.1 °C | 73 mm | -10 mm |
| Jun | 10.7 °C | -0.9 °C | 72 mm | -8 mm |
| Jul | 13.8 °C | +0.7 °C | 95 mm | +18 mm |
| Aug | 13.7 °C | +1.0 °C | 82 mm | -10 mm |
| Sep | 11.2 °C | +1.3 °C | 136 mm | +25 mm |
| Oct | 6.1 °C | +0.1 °C | 129 mm | +6 mm |
| Nov | 2.5 °C | -0.2 °C | 44 mm | -68 mm |
| Dec | 4.8 °C | +3.8 °C | 86 mm | -36 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 Akranes?
Akranes has a subarctic climate (Köppen Dfc). Over 1940-2025, the average annual temperature is 3.9 °C and it receives 1,244 mm of precipitation per year.
What is the hottest day ever recorded in Akranes?
The hottest day measured in Akranes between 1940 and 2025 was 30 July 2008, reaching 23.8 °C.
What is the coldest day in Akranes?
The coldest day measured in Akranes between 1940 and 2025 was 7 February 1969, at -26.9 °C.
Does it snow in Akranes?
Yes. Akranes gets on average 179.3 cm of snow per year and has around 133 frost days.
Has the climate of Akranes warmed?
Yes: Akranes warmed by +2.2 °C between 1940 and 2025, a statistically significant trend.
What is the wettest day in Akranes?
The wettest day measured in Akranes between 1940 and 2025 was 16 March 1969, with 50 mm of rain in 24 hours.
What was the windiest day in Akranes?
The windiest day measured in Akranes between 1940 and 2025 was 3 February 1991, with winds reaching 70.0 km/h.
What is the warmest month in Akranes?
The warmest month in Akranes is July (10.9 °C on average); the coldest is January (-1.9 °C).
How much does it rain in Akranes?
Akranes receives on average 1,244 mm of precipitation per year, spread over about 191 rainy days.
Is it sunny in Akranes?
Akranes gets on average 6.7 hours of sunshine per day, roughly 2,446 hours per year over 1940-2025.
What is the biggest single-day snowfall in Akranes?
The heaviest 24-hour snowfall measured in Akranes between 1940 and 2025 was 30 January 1952, with 20.9 cm.
Are there tropical nights in Akranes?
Almost never: tropical nights (temperature staying above 20 °C) are virtually non-existent in Akranes.
What was the most extreme apparent temperature in Akranes?
In Akranes, between 1940 and 2025, the highest apparent temperature reached 23.3 °C on 31 July 1980, and the lowest was -31.9 °C on 7 February 1969.
Compare Akranes with another city
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Nearby cities
The climate around Akranes