Blumberg climate — normals and trends
Blumberg (Germany) has a warm-summer humid continental climate (Dfb) under the Köppen-Geiger classification. Its mean annual temperature is 8.6 °C and it receives 1,050 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 (17.8 °C on average) and the coldest is January (-0.8 °C). Rainfall peaks in June.
Blumberg averages 90 frost days, 4 hot days (≥ 30 °C) and 161 rainy days per year.
Blumberg 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 110 to 70 per year over the period.
The hottest day of the period reached 35.5 °C (on 13 August 2003) and the coldest -25.8 °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
BlumbergBaden-Wurttemberg
- coords
- 47.84°, 8.53°
- period
- 1940–2025 · 86 yrs
Mean daily temperature
8.6°C
Average daily high
12.6°C
Average daily low
5.0°C
Annual rainfall
1,050mm
Sunshine / day
8.5h
Mean relative humidity
78%
Average peak wind
13.2km/h
Seasonal range
18.6°C
Frost days (< 0 °C)
90 d/yr
Hot days (≥ 30 °C)
4 d/yr
Rainy days (≥ 1 mm)
161 d/yr
Annual snowfall
88.1 cm
Average feels-like high
10.5 °C
Average feels-like low
2.6 °C
Average peak gust
31.2 km/h
Tropical nights (≥ 20 °C)
1 d/yr
Solar radiation
12.1 MJ/m²
Has the climate changed?
One stripe per year, 1940 to 2025
+2.2 °C
since 1940
+0.3 °C per decade · r² = 0.52 · 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
35.5 °C
13 August 2003
Coldest day
-25.8 °C
19 January 1940
Wettest day
56 mm
26 September 1987
Windiest day
53.6 km/h
26 December 1999
Strongest gust
133.6 km/h
26 December 1999
Hottest feels-like
37.9 °C
27 June 2019
Coldest feels-like
-31.3 °C
19 January 1940
Snowiest day
25.4 cm
4 March 2006
Sunniest day
15.0 h
20 May 1940
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 | +2.4 °C | 115 mm | +40 mm |
| Feb | 5.1 °C | +1.0 °C | 49 mm | -21 mm |
| Mar | 11.2 °C | +2.5 °C | 56 mm | -18 mm |
| Apr | 16.1 °C | +3.2 °C | 60 mm | -25 mm |
| May | 18.5 °C | +1.4 °C | 92 mm | -17 mm |
| Jun | 26.1 °C | +5.6 °C | 82 mm | -29 mm |
| Jul | 23.6 °C | +1.0 °C | 147 mm | +40 mm |
| Aug | 25.0 °C | +2.8 °C | 184 mm | +77 mm |
| Sep | 18.6 °C | +0.1 °C | 141 mm | +64 mm |
| Oct | 12.9 °C | -0.1 °C | 95 mm | +23 mm |
| Nov | 7.2 °C | +0.7 °C | 95 mm | +14 mm |
| Dec | 4.0 °C | +1.2 °C | 22 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 Blumberg?
Blumberg has a warm-summer humid continental climate (Köppen Dfb). Over 1940-2025, the average annual temperature is 8.6 °C and it receives 1,050 mm of precipitation per year.
What is the hottest day ever recorded in Blumberg?
The hottest day measured in Blumberg between 1940 and 2025 was 13 August 2003, reaching 35.5 °C.
What is the coldest day in Blumberg?
The coldest day measured in Blumberg between 1940 and 2025 was 19 January 1940, at -25.8 °C.
Does it snow in Blumberg?
Yes. Blumberg gets on average 88.1 cm of snow per year and has around 90 frost days.
Has the climate of Blumberg warmed?
Yes: Blumberg warmed by +2.2 °C between 1940 and 2025, a statistically significant trend.
What is the wettest day in Blumberg?
The wettest day measured in Blumberg between 1940 and 2025 was 26 September 1987, with 56 mm of rain in 24 hours.
What was the windiest day in Blumberg?
The windiest day measured in Blumberg between 1940 and 2025 was 26 December 1999, with winds reaching 53.6 km/h.
What is the warmest month in Blumberg?
The warmest month in Blumberg is July (17.8 °C on average); the coldest is January (-0.8 °C).
How much does it rain in Blumberg?
Blumberg receives on average 1,050 mm of precipitation per year, spread over about 161 rainy days.
Is it sunny in Blumberg?
Blumberg gets on average 8.5 hours of sunshine per day, roughly 3,103 hours per year over 1940-2025.
What is the biggest single-day snowfall in Blumberg?
The heaviest 24-hour snowfall measured in Blumberg between 1940 and 2025 was 4 March 2006, with 25.4 cm.
Are there tropical nights in Blumberg?
Yes: Blumberg has on average 1 tropical nights per year (temperature staying above 20 °C), over 1940-2025.
What was the most extreme apparent temperature in Blumberg?
In Blumberg, between 1940 and 2025, the highest apparent temperature reached 37.9 °C on 27 June 2019, and the lowest was -31.3 °C on 19 January 1940.
Compare Blumberg with another city
Pick a second city: its normals will be set against these, indicator by indicator.
Nearby cities
The climate around Blumberg