Heimsheim climate — normals and trends
Heimsheim (Germany) has a warm-summer humid continental climate (Dfb) under the Köppen-Geiger classification. Its mean annual temperature is 8.7 °C and it receives 1,102 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 (-0.4 °C). Rainfall peaks in June.
Heimsheim averages 84 frost days, 4 hot days (≥ 30 °C) and 168 rainy days per year.
Heimsheim has warmed by +1.9 °C between 1940 and 2025, or +0.22 °C per decade. This trend is statistically significant.
The number of frost days there went from about 101 to 67 per year over the period.
The hottest day of the period reached 35.8 °C (on 5 July 2015) and the coldest -28.2 °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
HeimsheimBaden-Wurttemberg
- coords
- 48.81°, 8.87°
- period
- 1940–2025 · 86 yrs
Mean daily temperature
8.7°C
Average daily high
12.5°C
Average daily low
5.2°C
Annual rainfall
1,102mm
Sunshine / day
8.0h
Mean relative humidity
79%
Average peak wind
15.1km/h
Seasonal range
18.1°C
Frost days (< 0 °C)
84 d/yr
Hot days (≥ 30 °C)
4 d/yr
Rainy days (≥ 1 mm)
168 d/yr
Annual snowfall
82.2 cm
Average feels-like high
10.3 °C
Average feels-like low
2.5 °C
Average peak gust
34.3 km/h
Tropical nights (≥ 20 °C)
0 d/yr
Solar radiation
11.6 MJ/m²
Has the climate changed?
One stripe per year, 1940 to 2025
+1.9 °C
since 1940
+0.2 °C per decade · r² = 0.37 · 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
35.8 °C
5 July 2015
Coldest day
-28.2 °C
13 January 1987
Wettest day
69 mm
29 October 1998
Windiest day
55.6 km/h
26 December 1999
Strongest gust
135.4 km/h
26 December 1999
Hottest feels-like
40.6 °C
6 July 1957
Coldest feels-like
-33.0 °C
10 February 1956
Snowiest day
25.3 cm
10 April 1973
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 | 5.3 °C | +3.2 °C | 91 mm | +11 mm |
| Feb | 5.6 °C | +1.7 °C | 63 mm | -13 mm |
| Mar | 11.3 °C | +2.9 °C | 27 mm | -56 mm |
| Apr | 15.7 °C | +2.9 °C | 51 mm | -36 mm |
| May | 19.0 °C | +2.0 °C | 67 mm | -47 mm |
| Jun | 25.4 °C | +5.1 °C | 89 mm | -25 mm |
| Jul | 23.6 °C | +1.3 °C | 179 mm | +67 mm |
| Aug | 25.0 °C | +3.1 °C | 100 mm | -8 mm |
| Sep | 18.4 °C | +0.1 °C | 178 mm | +96 mm |
| Oct | 13.2 °C | +0.2 °C | 98 mm | +22 mm |
| Nov | 8.7 °C | +1.9 °C | 67 mm | -16 mm |
| Dec | 5.7 °C | +2.5 °C | 20 mm | -67 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 Heimsheim?
Heimsheim has a warm-summer humid continental climate (Köppen Dfb). Over 1940-2025, the average annual temperature is 8.7 °C and it receives 1,102 mm of precipitation per year.
What is the hottest day ever recorded in Heimsheim?
The hottest day measured in Heimsheim between 1940 and 2025 was 5 July 2015, reaching 35.8 °C.
What is the coldest day in Heimsheim?
The coldest day measured in Heimsheim between 1940 and 2025 was 13 January 1987, at -28.2 °C.
Does it snow in Heimsheim?
Yes. Heimsheim gets on average 82.2 cm of snow per year and has around 84 frost days.
Has the climate of Heimsheim warmed?
Yes: Heimsheim warmed by +1.9 °C between 1940 and 2025, a statistically significant trend.
What is the wettest day in Heimsheim?
The wettest day measured in Heimsheim between 1940 and 2025 was 29 October 1998, with 69 mm of rain in 24 hours.
What was the windiest day in Heimsheim?
The windiest day measured in Heimsheim between 1940 and 2025 was 26 December 1999, with winds reaching 55.6 km/h.
What is the warmest month in Heimsheim?
The warmest month in Heimsheim is July (17.7 °C on average); the coldest is January (-0.4 °C).
How much does it rain in Heimsheim?
Heimsheim receives on average 1,102 mm of precipitation per year, spread over about 168 rainy days.
Is it sunny in Heimsheim?
Heimsheim gets on average 8.0 hours of sunshine per day, roughly 2,920 hours per year over 1940-2025.
What is the biggest single-day snowfall in Heimsheim?
The heaviest 24-hour snowfall measured in Heimsheim between 1940 and 2025 was 10 April 1973, with 25.3 cm.
Are there tropical nights in Heimsheim?
Almost never: tropical nights (temperature staying above 20 °C) are virtually non-existent in Heimsheim.
What was the most extreme apparent temperature in Heimsheim?
In Heimsheim, between 1940 and 2025, the highest apparent temperature reached 40.6 °C on 6 July 1957, and the lowest was -33.0 °C on 10 February 1956.
Compare Heimsheim with another city
Pick a second city: its normals will be set against these, indicator by indicator.
Nearby cities
The climate around Heimsheim