Rahden climate — normals and trends
Rahden (Germany) has a temperate oceanic climate (Cfb) under the Köppen-Geiger classification. Its mean annual temperature is 9.6 °C and it receives 721 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 (17.8 °C on average) and the coldest is January (1.4 °C). Rainfall peaks in July.
Rahden averages 59 frost days, 4 hot days (≥ 30 °C) and 144 rainy days per year.
Rahden 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 76 to 42 per year over the period.
The hottest day of the period reached 38.3 °C (on 25 July 2019) and the coldest -25.5 °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
RahdenNorth Rhine-Westphalia
- coords
- 52.43°, 8.61°
- period
- 1940–2025 · 86 yrs
Mean daily temperature
9.6°C
Average daily high
13.0°C
Average daily low
6.3°C
Annual rainfall
721mm
Sunshine / day
7.2h
Mean relative humidity
78%
Average peak wind
17.9km/h
Seasonal range
16.4°C
Frost days (< 0 °C)
59 d/yr
Hot days (≥ 30 °C)
4 d/yr
Rainy days (≥ 1 mm)
144 d/yr
Annual snowfall
30.3 cm
Average feels-like high
10.4 °C
Average feels-like low
3.4 °C
Average peak gust
38.2 km/h
Tropical nights (≥ 20 °C)
1 d/yr
Solar radiation
10.1 MJ/m²
Has the climate changed?
One stripe per year, 1940 to 2025
+2.1 °C
since 1940
+0.3 °C per decade · r² = 0.43 · 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
38.3 °C
25 July 2019
Coldest day
-25.5 °C
27 January 1942
Wettest day
52 mm
23 June 2023
Windiest day
60.2 km/h
13 November 1972
Strongest gust
124.2 km/h
13 November 1972
Hottest feels-like
38.9 °C
25 July 2019
Coldest feels-like
-31.4 °C
27 January 1942
Snowiest day
15.5 cm
2 March 1987
Sunniest day
15.9 h
21 June 2025
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 | 4.7 °C | +1.3 °C | 93 mm | +33 mm |
| Feb | 5.5 °C | +1.0 °C | 24 mm | -26 mm |
| Mar | 12.5 °C | +4.1 °C | 12 mm | -43 mm |
| Apr | 16.7 °C | +3.7 °C | 47 mm | -5 mm |
| May | 19.6 °C | +2.2 °C | 38 mm | -24 mm |
| Jun | 23.3 °C | +2.9 °C | 84 mm | +18 mm |
| Jul | 23.5 °C | +1.4 °C | 75 mm | +2 mm |
| Aug | 24.7 °C | +2.7 °C | 29 mm | -40 mm |
| Sep | 20.4 °C | +1.8 °C | 48 mm | -6 mm |
| Oct | 13.8 °C | +0.2 °C | 84 mm | +27 mm |
| Nov | 9.4 °C | +1.5 °C | 57 mm | -2 mm |
| Dec | 7.2 °C | +2.6 °C | 33 mm | -31 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 Rahden?
Rahden has a temperate oceanic climate (Köppen Cfb). Over 1940-2025, the average annual temperature is 9.6 °C and it receives 721 mm of precipitation per year.
What is the hottest day ever recorded in Rahden?
The hottest day measured in Rahden between 1940 and 2025 was 25 July 2019, reaching 38.3 °C.
What is the coldest day in Rahden?
The coldest day measured in Rahden between 1940 and 2025 was 27 January 1942, at -25.5 °C.
Does it snow in Rahden?
Yes. Rahden gets on average 30.3 cm of snow per year and has around 59 frost days.
Has the climate of Rahden warmed?
Yes: Rahden warmed by +2.1 °C between 1940 and 2025, a statistically significant trend.
What is the wettest day in Rahden?
The wettest day measured in Rahden between 1940 and 2025 was 23 June 2023, with 52 mm of rain in 24 hours.
What was the windiest day in Rahden?
The windiest day measured in Rahden between 1940 and 2025 was 13 November 1972, with winds reaching 60.2 km/h.
What is the warmest month in Rahden?
The warmest month in Rahden is July (17.8 °C on average); the coldest is January (1.4 °C).
How much does it rain in Rahden?
Rahden receives on average 721 mm of precipitation per year, spread over about 144 rainy days.
Is it sunny in Rahden?
Rahden 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 Rahden?
The heaviest 24-hour snowfall measured in Rahden between 1940 and 2025 was 2 March 1987, with 15.5 cm.
Are there tropical nights in Rahden?
Yes: Rahden has on average 1 tropical nights per year (temperature staying above 20 °C), over 1940-2025.
What was the most extreme apparent temperature in Rahden?
In Rahden, between 1940 and 2025, the highest apparent temperature reached 38.9 °C on 25 July 2019, and the lowest was -31.4 °C on 27 January 1942.
Compare Rahden with another city
Pick a second city: its normals will be set against these, indicator by indicator.
Nearby cities
The climate around Rahden