Wannweil climate — normals and trends
Wannweil (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 881 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 (17.7 °C on average) and the coldest is January (-0.6 °C). Rainfall peaks in May.
Wannweil averages 89 frost days, 4 hot days (≥ 30 °C) and 154 rainy days per year.
Wannweil has warmed by +1.8 °C between 1940 and 2025, or +0.21 °C per decade. This trend is statistically significant.
The number of frost days there went from about 105 to 73 per year over the period.
The hottest day of the period reached 35.6 °C (on 25 July 2019) and the coldest -29.7 °C (on 13 January 1987).
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
WannweilBaden-Wurttemberg
- coords
- 48.52°, 9.15°
- period
- 1940–2025 · 86 yrs
Mean daily temperature
8.6°C
Average daily high
12.6°C
Average daily low
4.8°C
Annual rainfall
881mm
Sunshine / day
8.1h
Mean relative humidity
78%
Average peak wind
14.6km/h
Seasonal range
18.3°C
Frost days (< 0 °C)
89 d/yr
Hot days (≥ 30 °C)
4 d/yr
Rainy days (≥ 1 mm)
154 d/yr
Annual snowfall
75.8 cm
Average feels-like high
10.3 °C
Average feels-like low
2.1 °C
Average peak gust
32.9 km/h
Tropical nights (≥ 20 °C)
0 d/yr
Solar radiation
11.7 MJ/m²
Has the climate changed?
One stripe per year, 1940 to 2025
+1.8 °C
since 1940
+0.2 °C per decade · r² = 0.38 · 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
35.6 °C
25 July 2019
Coldest day
-29.7 °C
13 January 1987
Wettest day
72 mm
3 August 1968
Windiest day
54.3 km/h
26 December 1999
Strongest gust
122.0 km/h
26 December 1999
Hottest feels-like
38.6 °C
6 July 1957
Coldest feels-like
-34.8 °C
13 January 1987
Snowiest day
25.6 cm
10 April 1973
Sunniest day
15.1 h
13 June 2023
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 | 5.0 °C | +2.9 °C | 86 mm | +20 mm |
| Feb | 5.4 °C | +1.4 °C | 50 mm | -12 mm |
| Mar | 11.3 °C | +2.8 °C | 30 mm | -35 mm |
| Apr | 15.9 °C | +3.1 °C | 40 mm | -32 mm |
| May | 19.0 °C | +2.0 °C | 64 mm | -32 mm |
| Jun | 26.2 °C | +5.9 °C | 66 mm | -28 mm |
| Jul | 24.1 °C | +1.7 °C | 114 mm | +31 mm |
| Aug | 25.4 °C | +3.2 °C | 75 mm | -6 mm |
| Sep | 18.8 °C | +0.3 °C | 148 mm | +85 mm |
| Oct | 13.3 °C | +0.2 °C | 60 mm | -1 mm |
| Nov | 8.4 °C | +1.7 °C | 70 mm | -1 mm |
| Dec | 5.0 °C | +1.9 °C | 18 mm | -52 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 Wannweil?
Wannweil has a warm-summer humid continental climate (Köppen Dfb). Over 1940-2025, the average annual temperature is 8.6 °C and it receives 881 mm of precipitation per year.
What is the hottest day ever recorded in Wannweil?
The hottest day measured in Wannweil between 1940 and 2025 was 25 July 2019, reaching 35.6 °C.
What is the coldest day in Wannweil?
The coldest day measured in Wannweil between 1940 and 2025 was 13 January 1987, at -29.7 °C.
Does it snow in Wannweil?
Yes. Wannweil gets on average 75.8 cm of snow per year and has around 89 frost days.
Has the climate of Wannweil warmed?
Yes: Wannweil warmed by +1.8 °C between 1940 and 2025, a statistically significant trend.
What is the wettest day in Wannweil?
The wettest day measured in Wannweil between 1940 and 2025 was 3 August 1968, with 72 mm of rain in 24 hours.
What was the windiest day in Wannweil?
The windiest day measured in Wannweil between 1940 and 2025 was 26 December 1999, with winds reaching 54.3 km/h.
What is the warmest month in Wannweil?
The warmest month in Wannweil is July (17.7 °C on average); the coldest is January (-0.6 °C).
How much does it rain in Wannweil?
Wannweil receives on average 881 mm of precipitation per year, spread over about 154 rainy days.
Is it sunny in Wannweil?
Wannweil gets on average 8.1 hours of sunshine per day, roughly 2,957 hours per year over 1940-2025.
What is the biggest single-day snowfall in Wannweil?
The heaviest 24-hour snowfall measured in Wannweil between 1940 and 2025 was 10 April 1973, with 25.6 cm.
Are there tropical nights in Wannweil?
Almost never: tropical nights (temperature staying above 20 °C) are virtually non-existent in Wannweil.
What was the most extreme apparent temperature in Wannweil?
In Wannweil, between 1940 and 2025, the highest apparent temperature reached 38.6 °C on 6 July 1957, and the lowest was -34.8 °C on 13 January 1987.
Compare Wannweil with another city
Pick a second city: its normals will be set against these, indicator by indicator.
Nearby cities
The climate around Wannweil