Aken climate — normals and trends
Aken (Germany) has a temperate oceanic climate (Cfb) under the Köppen-Geiger classification. Its mean annual temperature is 9.5 °C and it receives 586 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 (18.8 °C on average) and the coldest is January (0.4 °C). Rainfall peaks in July.
Aken averages 69 frost days, 6 hot days (≥ 30 °C) and 126 rainy days per year.
Aken 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 85 to 53 per year over the period.
The hottest day of the period reached 37.9 °C (on 2 July 2025) and the coldest -25.0 °C (on 27 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
AkenSaxony-Anhalt
- coords
- 51.85°, 12.04°
- period
- 1940–2025 · 86 yrs
Mean daily temperature
9.5°C
Average daily high
13.2°C
Average daily low
6.1°C
Annual rainfall
586mm
Sunshine / day
7.5h
Mean relative humidity
76%
Average peak wind
16.4km/h
Seasonal range
18.4°C
Frost days (< 0 °C)
69 d/yr
Hot days (≥ 30 °C)
6 d/yr
Rainy days (≥ 1 mm)
126 d/yr
Annual snowfall
34.4 cm
Average feels-like high
10.7 °C
Average feels-like low
3.2 °C
Average peak gust
34.7 km/h
Tropical nights (≥ 20 °C)
1 d/yr
Solar radiation
10.6 MJ/m²
Has the climate changed?
One stripe per year, 1940 to 2025
+2.2 °C
since 1940
+0.3 °C per decade · r² = 0.42 · 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
37.9 °C
2 July 2025
Coldest day
-25.0 °C
27 January 1942
Wettest day
55 mm
15 July 1956
Windiest day
49.4 km/h
13 November 1972
Strongest gust
114.8 km/h
18 January 2007
Hottest feels-like
40.1 °C
3 August 1943
Coldest feels-like
-30.3 °C
27 January 1942
Snowiest day
15.8 cm
2 January 1987
Sunniest day
16.0 h
11 June 2006
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 | 5.4 °C | +2.8 °C | 68 mm | +28 mm |
| Feb | 4.8 °C | +0.8 °C | 24 mm | -13 mm |
| Mar | 12.4 °C | +4.2 °C | 13 mm | -29 mm |
| Apr | 16.9 °C | +3.6 °C | 24 mm | -18 mm |
| May | 19.5 °C | +1.5 °C | 42 mm | -15 mm |
| Jun | 25.5 °C | +4.1 °C | 37 mm | -22 mm |
| Jul | 24.9 °C | +1.6 °C | 102 mm | +40 mm |
| Aug | 25.8 °C | +2.6 °C | 51 mm | -11 mm |
| Sep | 21.4 °C | +2.2 °C | 63 mm | +16 mm |
| Oct | 13.7 °C | 0.0 °C | 59 mm | +17 mm |
| Nov | 8.8 °C | +1.4 °C | 37 mm | -9 mm |
| Dec | 6.2 °C | +2.3 °C | 20 mm | -28 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 Aken?
Aken has a temperate oceanic climate (Köppen Cfb). Over 1940-2025, the average annual temperature is 9.5 °C and it receives 586 mm of precipitation per year.
What is the hottest day ever recorded in Aken?
The hottest day measured in Aken between 1940 and 2025 was 2 July 2025, reaching 37.9 °C.
What is the coldest day in Aken?
The coldest day measured in Aken between 1940 and 2025 was 27 January 1942, at -25.0 °C.
Does it snow in Aken?
Yes. Aken gets on average 34.4 cm of snow per year and has around 69 frost days.
Has the climate of Aken warmed?
Yes: Aken warmed by +2.2 °C between 1940 and 2025, a statistically significant trend.
What is the wettest day in Aken?
The wettest day measured in Aken between 1940 and 2025 was 15 July 1956, with 55 mm of rain in 24 hours.
What was the windiest day in Aken?
The windiest day measured in Aken between 1940 and 2025 was 13 November 1972, with winds reaching 49.4 km/h.
What is the warmest month in Aken?
The warmest month in Aken is July (18.8 °C on average); the coldest is January (0.4 °C).
How much does it rain in Aken?
Aken receives on average 586 mm of precipitation per year, spread over about 126 rainy days.
Is it sunny in Aken?
Aken gets on average 7.5 hours of sunshine per day, roughly 2,738 hours per year over 1940-2025.
What is the biggest single-day snowfall in Aken?
The heaviest 24-hour snowfall measured in Aken between 1940 and 2025 was 2 January 1987, with 15.8 cm.
Are there tropical nights in Aken?
Yes: Aken has on average 1 tropical nights per year (temperature staying above 20 °C), over 1940-2025.
What was the most extreme apparent temperature in Aken?
In Aken, between 1940 and 2025, the highest apparent temperature reached 40.1 °C on 3 August 1943, and the lowest was -30.3 °C on 27 January 1942.
Compare Aken with another city
Pick a second city: its normals will be set against these, indicator by indicator.
Nearby cities
The climate around Aken