Gedern climate — normals and trends
Gedern (Germany) has a warm-summer humid continental climate (Dfb) under the Köppen-Geiger classification. Its mean annual temperature is 8.5 °C and it receives 888 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 (17.4 °C on average) and the coldest is January (-0.5 °C). Rainfall peaks in December.
Gedern averages 81 frost days, 3 hot days (≥ 30 °C) and 154 rainy days per year.
Gedern has warmed by +2.1 °C between 1940 and 2025, or +0.24 °C per decade. This trend is statistically significant.
The number of frost days there went from about 97 to 65 per year over the period.
The hottest day of the period reached 36.6 °C (on 9 August 2003) and the coldest -26.2 °C (on 19 January 1940).
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
GedernHesse
- coords
- 50.42°, 9.20°
- period
- 1940–2025 · 86 yrs
Mean daily temperature
8.5°C
Average daily high
12.0°C
Average daily low
5.2°C
Annual rainfall
888mm
Sunshine / day
7.6h
Mean relative humidity
79%
Average peak wind
16.1km/h
Seasonal range
17.9°C
Frost days (< 0 °C)
81 d/yr
Hot days (≥ 30 °C)
3 d/yr
Rainy days (≥ 1 mm)
154 d/yr
Annual snowfall
63.4 cm
Average feels-like high
9.5 °C
Average feels-like low
2.4 °C
Average peak gust
35.7 km/h
Tropical nights (≥ 20 °C)
0 d/yr
Solar radiation
10.9 MJ/m²
Has the climate changed?
One stripe per year, 1940 to 2025
+2.1 °C
since 1940
+0.2 °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
36.6 °C
9 August 2003
Coldest day
-26.2 °C
19 January 1940
Wettest day
65 mm
22 October 1986
Windiest day
49.4 km/h
18 January 2007
Strongest gust
123.1 km/h
18 January 2007
Hottest feels-like
39.7 °C
7 July 1957
Coldest feels-like
-31.1 °C
19 January 1940
Snowiest day
12.4 cm
17 November 1972
Sunniest day
15.3 h
13 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 | 4.4 °C | +2.8 °C | 123 mm | +46 mm |
| Feb | 4.4 °C | +1.1 °C | 30 mm | -34 mm |
| Mar | 12.0 °C | +4.2 °C | 13 mm | -56 mm |
| Apr | 16.4 °C | +4.0 °C | 38 mm | -27 mm |
| May | 19.5 °C | +2.7 °C | 62 mm | -16 mm |
| Jun | 24.2 °C | +4.2 °C | 64 mm | -14 mm |
| Jul | 24.1 °C | +2.3 °C | 81 mm | 0 mm |
| Aug | 25.3 °C | +3.7 °C | 50 mm | -28 mm |
| Sep | 18.9 °C | +1.1 °C | 104 mm | +38 mm |
| Oct | 12.3 °C | 0.0 °C | 115 mm | +48 mm |
| Nov | 7.1 °C | +0.9 °C | 51 mm | -25 mm |
| Dec | 5.2 °C | +2.4 °C | 27 mm | -60 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 Gedern?
Gedern has a warm-summer humid continental climate (Köppen Dfb). Over 1940-2025, the average annual temperature is 8.5 °C and it receives 888 mm of precipitation per year.
What is the hottest day ever recorded in Gedern?
The hottest day measured in Gedern between 1940 and 2025 was 9 August 2003, reaching 36.6 °C.
What is the coldest day in Gedern?
The coldest day measured in Gedern between 1940 and 2025 was 19 January 1940, at -26.2 °C.
Does it snow in Gedern?
Yes. Gedern gets on average 63.4 cm of snow per year and has around 81 frost days.
Has the climate of Gedern warmed?
Yes: Gedern warmed by +2.1 °C between 1940 and 2025, a statistically significant trend.
What is the wettest day in Gedern?
The wettest day measured in Gedern between 1940 and 2025 was 22 October 1986, with 65 mm of rain in 24 hours.
What was the windiest day in Gedern?
The windiest day measured in Gedern between 1940 and 2025 was 18 January 2007, with winds reaching 49.4 km/h.
What is the warmest month in Gedern?
The warmest month in Gedern is July (17.4 °C on average); the coldest is January (-0.5 °C).
How much does it rain in Gedern?
Gedern receives on average 888 mm of precipitation per year, spread over about 154 rainy days.
Is it sunny in Gedern?
Gedern gets on average 7.6 hours of sunshine per day, roughly 2,774 hours per year over 1940-2025.
What is the biggest single-day snowfall in Gedern?
The heaviest 24-hour snowfall measured in Gedern between 1940 and 2025 was 17 November 1972, with 12.4 cm.
Are there tropical nights in Gedern?
Almost never: tropical nights (temperature staying above 20 °C) are virtually non-existent in Gedern.
What was the most extreme apparent temperature in Gedern?
In Gedern, between 1940 and 2025, the highest apparent temperature reached 39.7 °C on 7 July 1957, and the lowest was -31.1 °C on 19 January 1940.
Compare Gedern with another city
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Nearby cities
The climate around Gedern