Ratekau climate — normals and trends
Ratekau (Germany) has a temperate oceanic climate (Cfb) under the Köppen-Geiger classification. Its mean annual temperature is 8.8 °C and it receives 639 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 (17.3 °C on average) and the coldest is January (0.6 °C). Rainfall peaks in August.
Ratekau averages 66 frost days, 1 hot days (≥ 30 °C) and 134 rainy days per year.
Ratekau 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 87 to 45 per year over the period.
The hottest day of the period reached 35.6 °C (on 20 July 2022) and the coldest -20.4 °C (on 16 February 1956).
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
RatekauSchleswig-Holstein
- coords
- 53.95°, 10.73°
- period
- 1940–2025 · 86 yrs
Mean daily temperature
8.8°C
Average daily high
11.8°C
Average daily low
5.8°C
Annual rainfall
639mm
Sunshine / day
7.7h
Mean relative humidity
81%
Average peak wind
21.2km/h
Seasonal range
16.7°C
Frost days (< 0 °C)
66 d/yr
Hot days (≥ 30 °C)
1 d/yr
Rainy days (≥ 1 mm)
134 d/yr
Annual snowfall
38.3 cm
Average feels-like high
8.9 °C
Average feels-like low
2.4 °C
Average peak gust
40.7 km/h
Tropical nights (≥ 20 °C)
0 d/yr
Solar radiation
10.4 MJ/m²
Has the climate changed?
One stripe per year, 1940 to 2025
+2.2 °C
since 1940
+0.3 °C per decade · r² = 0.44 · 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
35.6 °C
20 July 2022
Coldest day
-20.4 °C
16 February 1956
Wettest day
91 mm
27 August 1946
Windiest day
63.6 km/h
14 January 1993
Strongest gust
122.4 km/h
14 January 1993
Hottest feels-like
36.3 °C
2 July 2025
Coldest feels-like
-25.8 °C
1 February 1940
Snowiest day
16.3 cm
19 March 2001
Sunniest day
16.3 h
1 July 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 | 4.2 °C | +1.8 °C | 57 mm | +8 mm |
| Feb | 4.4 °C | +1.3 °C | 12 mm | -29 mm |
| Mar | 10.6 °C | +4.0 °C | 13 mm | -32 mm |
| Apr | 14.6 °C | +3.5 °C | 31 mm | -15 mm |
| May | 17.5 °C | +1.7 °C | 44 mm | -13 mm |
| Jun | 21.5 °C | +2.3 °C | 91 mm | +28 mm |
| Jul | 22.6 °C | +1.5 °C | 128 mm | +59 mm |
| Aug | 23.0 °C | +1.9 °C | 28 mm | -43 mm |
| Sep | 19.9 °C | +2.3 °C | 53 mm | +1 mm |
| Oct | 13.2 °C | +0.6 °C | 83 mm | +35 mm |
| Nov | 8.3 °C | +1.2 °C | 61 mm | +11 mm |
| Dec | 6.5 °C | +2.6 °C | 30 mm | -21 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 Ratekau?
Ratekau has a temperate oceanic climate (Köppen Cfb). Over 1940-2025, the average annual temperature is 8.8 °C and it receives 639 mm of precipitation per year.
What is the hottest day ever recorded in Ratekau?
The hottest day measured in Ratekau between 1940 and 2025 was 20 July 2022, reaching 35.6 °C.
What is the coldest day in Ratekau?
The coldest day measured in Ratekau between 1940 and 2025 was 16 February 1956, at -20.4 °C.
Does it snow in Ratekau?
Yes. Ratekau gets on average 38.3 cm of snow per year and has around 66 frost days.
Has the climate of Ratekau warmed?
Yes: Ratekau warmed by +2.2 °C between 1940 and 2025, a statistically significant trend.
What is the wettest day in Ratekau?
The wettest day measured in Ratekau between 1940 and 2025 was 27 August 1946, with 91 mm of rain in 24 hours.
What was the windiest day in Ratekau?
The windiest day measured in Ratekau between 1940 and 2025 was 14 January 1993, with winds reaching 63.6 km/h.
What is the warmest month in Ratekau?
The warmest month in Ratekau is July (17.3 °C on average); the coldest is January (0.6 °C).
How much does it rain in Ratekau?
Ratekau receives on average 639 mm of precipitation per year, spread over about 134 rainy days.
Is it sunny in Ratekau?
Ratekau 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 Ratekau?
The heaviest 24-hour snowfall measured in Ratekau between 1940 and 2025 was 19 March 2001, with 16.3 cm.
Are there tropical nights in Ratekau?
Almost never: tropical nights (temperature staying above 20 °C) are virtually non-existent in Ratekau.
What was the most extreme apparent temperature in Ratekau?
In Ratekau, between 1940 and 2025, the highest apparent temperature reached 36.3 °C on 2 July 2025, and the lowest was -25.8 °C on 1 February 1940.
Compare Ratekau with another city
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Nearby cities
The climate around Ratekau