Diekholzen climate — normals and trends
Diekholzen (Germany) has a temperate oceanic climate (Cfb) under the Köppen-Geiger classification. Its mean annual temperature is 8.8 °C and it receives 758 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 (0.2 °C). Rainfall peaks in July.
Diekholzen averages 71 frost days, 3 hot days (≥ 30 °C) and 152 rainy days per year.
Diekholzen 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 88 to 54 per year over the period.
The hottest day of the period reached 37.6 °C (on 20 July 2022) and the coldest -27.7 °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
DiekholzenLower Saxony
- coords
- 52.10°, 9.92°
- period
- 1940–2025 · 86 yrs
Mean daily temperature
8.8°C
Average daily high
12.2°C
Average daily low
5.4°C
Annual rainfall
758mm
Sunshine / day
7.3h
Mean relative humidity
79%
Average peak wind
17.3km/h
Seasonal range
17.2°C
Frost days (< 0 °C)
71 d/yr
Hot days (≥ 30 °C)
3 d/yr
Rainy days (≥ 1 mm)
152 d/yr
Annual snowfall
51.4 cm
Average feels-like high
9.6 °C
Average feels-like low
2.5 °C
Average peak gust
37.1 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 = 0.41 · 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
37.6 °C
20 July 2022
Coldest day
-27.7 °C
27 January 1942
Wettest day
55 mm
12 August 1964
Windiest day
58.0 km/h
13 November 1972
Strongest gust
124.6 km/h
13 November 1972
Hottest feels-like
38.6 °C
14 August 2025
Coldest feels-like
-33.1 °C
27 January 1942
Snowiest day
17.4 cm
2 January 1987
Sunniest day
15.8 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 | 4.4 °C | +2.2 °C | 95 mm | +36 mm |
| Feb | 4.6 °C | +1.2 °C | 25 mm | -28 mm |
| Mar | 12.0 °C | +4.5 °C | 10 mm | -47 mm |
| Apr | 16.1 °C | +3.8 °C | 38 mm | -20 mm |
| May | 18.7 °C | +2.0 °C | 51 mm | -18 mm |
| Jun | 23.3 °C | +3.5 °C | 67 mm | -7 mm |
| Jul | 23.4 °C | +1.7 °C | 85 mm | +8 mm |
| Aug | 24.5 °C | +2.9 °C | 48 mm | -23 mm |
| Sep | 19.9 °C | +2.0 °C | 51 mm | -8 mm |
| Oct | 12.9 °C | +0.1 °C | 73 mm | +17 mm |
| Nov | 8.4 °C | +1.5 °C | 51 mm | -10 mm |
| Dec | 6.3 °C | +2.8 °C | 27 mm | -39 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 Diekholzen?
Diekholzen has a temperate oceanic climate (Köppen Cfb). Over 1940-2025, the average annual temperature is 8.8 °C and it receives 758 mm of precipitation per year.
What is the hottest day ever recorded in Diekholzen?
The hottest day measured in Diekholzen between 1940 and 2025 was 20 July 2022, reaching 37.6 °C.
What is the coldest day in Diekholzen?
The coldest day measured in Diekholzen between 1940 and 2025 was 27 January 1942, at -27.7 °C.
Does it snow in Diekholzen?
Yes. Diekholzen gets on average 51.4 cm of snow per year and has around 71 frost days.
Has the climate of Diekholzen warmed?
Yes: Diekholzen warmed by +2.2 °C between 1940 and 2025, a statistically significant trend.
What is the wettest day in Diekholzen?
The wettest day measured in Diekholzen between 1940 and 2025 was 12 August 1964, with 55 mm of rain in 24 hours.
What was the windiest day in Diekholzen?
The windiest day measured in Diekholzen between 1940 and 2025 was 13 November 1972, with winds reaching 58.0 km/h.
What is the warmest month in Diekholzen?
The warmest month in Diekholzen is July (17.4 °C on average); the coldest is January (0.2 °C).
How much does it rain in Diekholzen?
Diekholzen receives on average 758 mm of precipitation per year, spread over about 152 rainy days.
Is it sunny in Diekholzen?
Diekholzen gets on average 7.3 hours of sunshine per day, roughly 2,665 hours per year over 1940-2025.
What is the biggest single-day snowfall in Diekholzen?
The heaviest 24-hour snowfall measured in Diekholzen between 1940 and 2025 was 2 January 1987, with 17.4 cm.
Are there tropical nights in Diekholzen?
Almost never: tropical nights (temperature staying above 20 °C) are virtually non-existent in Diekholzen.
What was the most extreme apparent temperature in Diekholzen?
In Diekholzen, between 1940 and 2025, the highest apparent temperature reached 38.6 °C on 14 August 2025, and the lowest was -33.1 °C on 27 January 1942.
Compare Diekholzen with another city
Pick a second city: its normals will be set against these, indicator by indicator.
Nearby cities
The climate around Diekholzen