Birkenau climate — normals and trends
Birkenau (Germany) has a temperate oceanic climate (Cfb) under the Köppen-Geiger classification. Its mean annual temperature is 9.8 °C and it receives 858 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 (19.0 °C on average) and the coldest is January (0.6 °C). Rainfall peaks in December.
Birkenau averages 68 frost days, 8 hot days (≥ 30 °C) and 147 rainy days per year.
Birkenau has warmed by +1.9 °C between 1940 and 2025, or +0.23 °C per decade. This trend is statistically significant.
The number of frost days there went from about 83 to 53 per year over the period.
The hottest day of the period reached 38.5 °C (on 5 July 2015) and the coldest -28.5 °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
BirkenauHesse
- coords
- 49.56°, 8.71°
- period
- 1940–2025 · 86 yrs
Mean daily temperature
9.8°C
Average daily high
13.6°C
Average daily low
6.2°C
Annual rainfall
858mm
Sunshine / day
7.9h
Mean relative humidity
77%
Average peak wind
14.9km/h
Seasonal range
18.4°C
Frost days (< 0 °C)
68 d/yr
Hot days (≥ 30 °C)
8 d/yr
Rainy days (≥ 1 mm)
147 d/yr
Annual snowfall
39.6 cm
Average feels-like high
11.4 °C
Average feels-like low
3.7 °C
Average peak gust
33.9 km/h
Tropical nights (≥ 20 °C)
1 d/yr
Solar radiation
11.3 MJ/m²
Has the climate changed?
One stripe per year, 1940 to 2025
+1.9 °C
since 1940
+0.2 °C per decade · r² = 0.39 · 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
38.5 °C
5 July 2015
Coldest day
-28.5 °C
19 January 1940
Wettest day
65 mm
7 October 1982
Windiest day
53.0 km/h
26 December 1999
Strongest gust
122.0 km/h
24 November 1984
Hottest feels-like
41.4 °C
6 July 1957
Coldest feels-like
-34.1 °C
19 January 1940
Snowiest day
18.5 cm
29 December 2001
Sunniest day
15.1 h
18 June 2000
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 | 5.7 °C | +2.9 °C | 93 mm | +17 mm |
| Feb | 5.9 °C | +1.1 °C | 37 mm | -31 mm |
| Mar | 13.1 °C | +3.6 °C | 16 mm | -54 mm |
| Apr | 17.4 °C | +3.5 °C | 35 mm | -28 mm |
| May | 21.3 °C | +3.0 °C | 45 mm | -32 mm |
| Jun | 26.8 °C | +5.2 °C | 82 mm | +10 mm |
| Jul | 25.8 °C | +2.1 °C | 97 mm | +28 mm |
| Aug | 27.4 °C | +4.0 °C | 44 mm | -23 mm |
| Sep | 19.8 °C | +0.3 °C | 158 mm | +95 mm |
| Oct | 14.0 °C | +0.2 °C | 90 mm | +22 mm |
| Nov | 8.5 °C | +1.1 °C | 46 mm | -32 mm |
| Dec | 6.2 °C | +2.3 °C | 28 mm | -59 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 Birkenau?
Birkenau has a temperate oceanic climate (Köppen Cfb). Over 1940-2025, the average annual temperature is 9.8 °C and it receives 858 mm of precipitation per year.
What is the hottest day ever recorded in Birkenau?
The hottest day measured in Birkenau between 1940 and 2025 was 5 July 2015, reaching 38.5 °C.
What is the coldest day in Birkenau?
The coldest day measured in Birkenau between 1940 and 2025 was 19 January 1940, at -28.5 °C.
Does it snow in Birkenau?
Yes. Birkenau gets on average 39.6 cm of snow per year and has around 68 frost days.
Has the climate of Birkenau warmed?
Yes: Birkenau warmed by +1.9 °C between 1940 and 2025, a statistically significant trend.
What is the wettest day in Birkenau?
The wettest day measured in Birkenau between 1940 and 2025 was 7 October 1982, with 65 mm of rain in 24 hours.
What was the windiest day in Birkenau?
The windiest day measured in Birkenau between 1940 and 2025 was 26 December 1999, with winds reaching 53.0 km/h.
What is the warmest month in Birkenau?
The warmest month in Birkenau is July (19.0 °C on average); the coldest is January (0.6 °C).
How much does it rain in Birkenau?
Birkenau receives on average 858 mm of precipitation per year, spread over about 147 rainy days.
Is it sunny in Birkenau?
Birkenau gets on average 7.9 hours of sunshine per day, roughly 2,884 hours per year over 1940-2025.
What is the biggest single-day snowfall in Birkenau?
The heaviest 24-hour snowfall measured in Birkenau between 1940 and 2025 was 29 December 2001, with 18.5 cm.
Are there tropical nights in Birkenau?
Yes: Birkenau has on average 1 tropical nights per year (temperature staying above 20 °C), over 1940-2025.
What was the most extreme apparent temperature in Birkenau?
In Birkenau, between 1940 and 2025, the highest apparent temperature reached 41.4 °C on 6 July 1957, and the lowest was -34.1 °C on 19 January 1940.
Compare Birkenau with another city
Pick a second city: its normals will be set against these, indicator by indicator.
Nearby cities
The climate around Birkenau