Grebenstein climate — normals and trends
Grebenstein (Germany) has a temperate oceanic climate (Cfb) under the Köppen-Geiger classification. Its mean annual temperature is 8.7 °C and it receives 726 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 (0.1 °C). Rainfall peaks in July.
Grebenstein averages 72 frost days, 3 hot days (≥ 30 °C) and 148 rainy days per year.
Grebenstein 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 89 to 55 per year over the period.
The hottest day of the period reached 36.4 °C (on 2 July 2025) and the coldest -30.0 °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
GrebensteinHesse
- coords
- 51.45°, 9.41°
- period
- 1940–2025 · 86 yrs
Mean daily temperature
8.7°C
Average daily high
12.1°C
Average daily low
5.4°C
Annual rainfall
726mm
Sunshine / day
7.1h
Mean relative humidity
79%
Average peak wind
16.4km/h
Seasonal range
17.2°C
Frost days (< 0 °C)
72 d/yr
Hot days (≥ 30 °C)
3 d/yr
Rainy days (≥ 1 mm)
148 d/yr
Annual snowfall
47.0 cm
Average feels-like high
9.6 °C
Average feels-like low
2.5 °C
Average peak gust
37.3 km/h
Tropical nights (≥ 20 °C)
0 d/yr
Solar radiation
10.3 MJ/m²
Has the climate changed?
One stripe per year, 1940 to 2025
+2.2 °C
since 1940
+0.3 °C per decade · r² = 0.43 · 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
36.4 °C
2 July 2025
Coldest day
-30.0 °C
27 January 1942
Wettest day
46 mm
3 October 1993
Windiest day
51.5 km/h
18 January 2018
Strongest gust
123.5 km/h
18 January 2007
Hottest feels-like
38.8 °C
14 August 2025
Coldest feels-like
-34.9 °C
27 January 1942
Snowiest day
15.5 cm
7 February 2021
Sunniest day
15.6 h
22 June 2022
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 | 4.3 °C | +2.2 °C | 105 mm | +50 mm |
| Feb | 4.6 °C | +1.1 °C | 26 mm | -23 mm |
| Mar | 12.1 °C | +4.5 °C | 9 mm | -45 mm |
| Apr | 16.2 °C | +4.0 °C | 53 mm | -2 mm |
| May | 18.9 °C | +2.3 °C | 47 mm | -22 mm |
| Jun | 23.7 °C | +4.0 °C | 59 mm | -15 mm |
| Jul | 23.6 °C | +2.0 °C | 83 mm | +9 mm |
| Aug | 24.8 °C | +3.3 °C | 40 mm | -29 mm |
| Sep | 19.6 °C | +1.8 °C | 58 mm | +3 mm |
| Oct | 12.5 °C | -0.1 °C | 62 mm | +9 mm |
| Nov | 8.1 °C | +1.4 °C | 48 mm | -10 mm |
| Dec | 5.8 °C | +2.4 °C | 28 mm | -33 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 Grebenstein?
Grebenstein has a temperate oceanic climate (Köppen Cfb). Over 1940-2025, the average annual temperature is 8.7 °C and it receives 726 mm of precipitation per year.
What is the hottest day ever recorded in Grebenstein?
The hottest day measured in Grebenstein between 1940 and 2025 was 2 July 2025, reaching 36.4 °C.
What is the coldest day in Grebenstein?
The coldest day measured in Grebenstein between 1940 and 2025 was 27 January 1942, at -30.0 °C.
Does it snow in Grebenstein?
Yes. Grebenstein gets on average 47.0 cm of snow per year and has around 72 frost days.
Has the climate of Grebenstein warmed?
Yes: Grebenstein warmed by +2.2 °C between 1940 and 2025, a statistically significant trend.
What is the wettest day in Grebenstein?
The wettest day measured in Grebenstein between 1940 and 2025 was 3 October 1993, with 46 mm of rain in 24 hours.
What was the windiest day in Grebenstein?
The windiest day measured in Grebenstein between 1940 and 2025 was 18 January 2018, with winds reaching 51.5 km/h.
What is the warmest month in Grebenstein?
The warmest month in Grebenstein is July (17.3 °C on average); the coldest is January (0.1 °C).
How much does it rain in Grebenstein?
Grebenstein receives on average 726 mm of precipitation per year, spread over about 148 rainy days.
Is it sunny in Grebenstein?
Grebenstein gets on average 7.1 hours of sunshine per day, roughly 2,592 hours per year over 1940-2025.
What is the biggest single-day snowfall in Grebenstein?
The heaviest 24-hour snowfall measured in Grebenstein between 1940 and 2025 was 7 February 2021, with 15.5 cm.
Are there tropical nights in Grebenstein?
Almost never: tropical nights (temperature staying above 20 °C) are virtually non-existent in Grebenstein.
What was the most extreme apparent temperature in Grebenstein?
In Grebenstein, between 1940 and 2025, the highest apparent temperature reached 38.8 °C on 14 August 2025, and the lowest was -34.9 °C on 27 January 1942.
Compare Grebenstein with another city
Pick a second city: its normals will be set against these, indicator by indicator.
Nearby cities
The climate around Grebenstein