Kornwestheim climate — normals and trends
Kornwestheim (Germany) has a temperate oceanic climate (Cfb) under the Köppen-Geiger classification. Its mean annual temperature is 9.4 °C and it receives 817 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 (18.5 °C on average) and the coldest is January (0.2 °C). Rainfall peaks in May.
Kornwestheim averages 79 frost days, 6 hot days (≥ 30 °C) and 148 rainy days per year.
Kornwestheim 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 94 to 64 per year over the period.
The hottest day of the period reached 36.8 °C (on 13 August 2003) and the coldest -29.9 °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
KornwestheimBaden-Wurttemberg
- coords
- 48.86°, 9.19°
- period
- 1940–2025 · 86 yrs
Mean daily temperature
9.4°C
Average daily high
13.5°C
Average daily low
5.5°C
Annual rainfall
817mm
Sunshine / day
7.9h
Mean relative humidity
76%
Average peak wind
14.3km/h
Seasonal range
18.3°C
Frost days (< 0 °C)
79 d/yr
Hot days (≥ 30 °C)
6 d/yr
Rainy days (≥ 1 mm)
148 d/yr
Annual snowfall
49.7 cm
Average feels-like high
11.4 °C
Average feels-like low
3.0 °C
Average peak gust
31.7 km/h
Tropical nights (≥ 20 °C)
0 d/yr
Solar radiation
11.5 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
36.8 °C
13 August 2003
Coldest day
-29.9 °C
13 January 1987
Wettest day
65 mm
3 August 1968
Windiest day
54.4 km/h
26 December 1999
Strongest gust
115.2 km/h
1 March 1990
Hottest feels-like
40.1 °C
6 July 1957
Coldest feels-like
-34.8 °C
13 January 1987
Snowiest day
23.4 cm
10 April 1973
Sunniest day
15.1 h
19 June 2017
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 | 5.8 °C | +2.9 °C | 77 mm | +14 mm |
| Feb | 6.1 °C | +1.2 °C | 51 mm | -8 mm |
| Mar | 12.1 °C | +2.7 °C | 28 mm | -35 mm |
| Apr | 16.7 °C | +3.0 °C | 38 mm | -28 mm |
| May | 20.0 °C | +2.0 °C | 56 mm | -29 mm |
| Jun | 26.7 °C | +5.4 °C | 67 mm | -14 mm |
| Jul | 24.9 °C | +1.5 °C | 117 mm | +40 mm |
| Aug | 26.4 °C | +3.3 °C | 70 mm | -2 mm |
| Sep | 19.5 °C | +0.1 °C | 154 mm | +95 mm |
| Oct | 14.0 °C | +0.1 °C | 68 mm | +9 mm |
| Nov | 9.1 °C | +1.6 °C | 59 mm | -7 mm |
| Dec | 5.8 °C | +1.9 °C | 18 mm | -50 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 Kornwestheim?
Kornwestheim has a temperate oceanic climate (Köppen Cfb). Over 1940-2025, the average annual temperature is 9.4 °C and it receives 817 mm of precipitation per year.
What is the hottest day ever recorded in Kornwestheim?
The hottest day measured in Kornwestheim between 1940 and 2025 was 13 August 2003, reaching 36.8 °C.
What is the coldest day in Kornwestheim?
The coldest day measured in Kornwestheim between 1940 and 2025 was 13 January 1987, at -29.9 °C.
Does it snow in Kornwestheim?
Yes. Kornwestheim gets on average 49.7 cm of snow per year and has around 79 frost days.
Has the climate of Kornwestheim warmed?
Yes: Kornwestheim warmed by +1.8 °C between 1940 and 2025, a statistically significant trend.
What is the wettest day in Kornwestheim?
The wettest day measured in Kornwestheim between 1940 and 2025 was 3 August 1968, with 65 mm of rain in 24 hours.
What was the windiest day in Kornwestheim?
The windiest day measured in Kornwestheim between 1940 and 2025 was 26 December 1999, with winds reaching 54.4 km/h.
What is the warmest month in Kornwestheim?
The warmest month in Kornwestheim is July (18.5 °C on average); the coldest is January (0.2 °C).
How much does it rain in Kornwestheim?
Kornwestheim receives on average 817 mm of precipitation per year, spread over about 148 rainy days.
Is it sunny in Kornwestheim?
Kornwestheim 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 Kornwestheim?
The heaviest 24-hour snowfall measured in Kornwestheim between 1940 and 2025 was 10 April 1973, with 23.4 cm.
Are there tropical nights in Kornwestheim?
Almost never: tropical nights (temperature staying above 20 °C) are virtually non-existent in Kornwestheim.
What was the most extreme apparent temperature in Kornwestheim?
In Kornwestheim, between 1940 and 2025, the highest apparent temperature reached 40.1 °C on 6 July 1957, and the lowest was -34.8 °C on 13 January 1987.
Compare Kornwestheim with another city
Pick a second city: its normals will be set against these, indicator by indicator.
Nearby cities
The climate around Kornwestheim