Schwalmstadt climate — normals and trends
Schwalmstadt (Germany) has a warm-summer humid continental climate (Dfb) under the Köppen-Geiger classification. Its mean annual temperature is 8.5 °C and it receives 654 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 (17.3 °C on average) and the coldest is January (-0.2 °C). Rainfall peaks in May.
Schwalmstadt averages 80 frost days, 3 hot days (≥ 30 °C) and 138 rainy days per year.
Schwalmstadt 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 98 to 62 per year over the period.
The hottest day of the period reached 36.7 °C (on 2 July 2025) and the coldest -28.0 °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
SchwalmstadtHesse
- coords
- 50.93°, 9.22°
- period
- 1940–2025 · 86 yrs
Mean daily temperature
8.5°C
Average daily high
12.1°C
Average daily low
5.1°C
Annual rainfall
654mm
Sunshine / day
7.3h
Mean relative humidity
79%
Average peak wind
16.5km/h
Seasonal range
17.5°C
Frost days (< 0 °C)
80 d/yr
Hot days (≥ 30 °C)
3 d/yr
Rainy days (≥ 1 mm)
138 d/yr
Annual snowfall
46.5 cm
Average feels-like high
9.5 °C
Average feels-like low
2.2 °C
Average peak gust
36.2 km/h
Tropical nights (≥ 20 °C)
0 d/yr
Solar radiation
10.6 MJ/m²
Has the climate changed?
One stripe per year, 1940 to 2025
+2.2 °C
since 1940
+0.3 °C per decade · r² = 0.45 · 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
36.7 °C
2 July 2025
Coldest day
-28.0 °C
19 January 1940
Wettest day
67 mm
17 July 2002
Windiest day
49.4 km/h
18 January 2007
Strongest gust
120.6 km/h
18 January 2007
Hottest feels-like
38.9 °C
7 July 1957
Coldest feels-like
-33.6 °C
19 January 1940
Snowiest day
14.0 cm
29 March 1952
Sunniest day
15.4 h
13 June 2009
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 | 108 mm | +57 mm |
| Feb | 4.4 °C | +1.0 °C | 30 mm | -15 mm |
| Mar | 11.9 °C | +4.2 °C | 14 mm | -35 mm |
| Apr | 16.2 °C | +4.0 °C | 43 mm | -8 mm |
| May | 19.1 °C | +2.5 °C | 44 mm | -21 mm |
| Jun | 24.0 °C | +4.2 °C | 44 mm | -19 mm |
| Jul | 24.1 °C | +2.3 °C | 72 mm | +8 mm |
| Aug | 25.3 °C | +3.7 °C | 35 mm | -26 mm |
| Sep | 19.3 °C | +1.4 °C | 67 mm | +18 mm |
| Oct | 12.3 °C | -0.1 °C | 61 mm | +12 mm |
| Nov | 7.5 °C | +1.1 °C | 38 mm | -16 mm |
| Dec | 5.3 °C | +2.2 °C | 20 mm | -36 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 Schwalmstadt?
Schwalmstadt has a warm-summer humid continental climate (Köppen Dfb). Over 1940-2025, the average annual temperature is 8.5 °C and it receives 654 mm of precipitation per year.
What is the hottest day ever recorded in Schwalmstadt?
The hottest day measured in Schwalmstadt between 1940 and 2025 was 2 July 2025, reaching 36.7 °C.
What is the coldest day in Schwalmstadt?
The coldest day measured in Schwalmstadt between 1940 and 2025 was 19 January 1940, at -28.0 °C.
Does it snow in Schwalmstadt?
Yes. Schwalmstadt gets on average 46.5 cm of snow per year and has around 80 frost days.
Has the climate of Schwalmstadt warmed?
Yes: Schwalmstadt warmed by +2.2 °C between 1940 and 2025, a statistically significant trend.
What is the wettest day in Schwalmstadt?
The wettest day measured in Schwalmstadt between 1940 and 2025 was 17 July 2002, with 67 mm of rain in 24 hours.
What was the windiest day in Schwalmstadt?
The windiest day measured in Schwalmstadt between 1940 and 2025 was 18 January 2007, with winds reaching 49.4 km/h.
What is the warmest month in Schwalmstadt?
The warmest month in Schwalmstadt is July (17.3 °C on average); the coldest is January (-0.2 °C).
How much does it rain in Schwalmstadt?
Schwalmstadt receives on average 654 mm of precipitation per year, spread over about 138 rainy days.
Is it sunny in Schwalmstadt?
Schwalmstadt gets on average 7.3 hours of sunshine per day, roughly 2,665 hours per year over 1940-2025.
What is the biggest single-day snowfall in Schwalmstadt?
The heaviest 24-hour snowfall measured in Schwalmstadt between 1940 and 2025 was 29 March 1952, with 14.0 cm.
Are there tropical nights in Schwalmstadt?
Almost never: tropical nights (temperature staying above 20 °C) are virtually non-existent in Schwalmstadt.
What was the most extreme apparent temperature in Schwalmstadt?
In Schwalmstadt, between 1940 and 2025, the highest apparent temperature reached 38.9 °C on 7 July 1957, and the lowest was -33.6 °C on 19 January 1940.
Compare Schwalmstadt with another city
Pick a second city: its normals will be set against these, indicator by indicator.
Nearby cities
The climate around Schwalmstadt