Mengen climate — normals and trends
Mengen (Germany) has a warm-summer humid continental climate (Dfb) under the Köppen-Geiger classification. Its mean annual temperature is 8.0 °C and it receives 1,041 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 (-1.5 °C). Rainfall peaks in June.
Mengen averages 98 frost days, 2 hot days (≥ 30 °C) and 163 rainy days per year.
Mengen has warmed by +2.0 °C between 1940 and 2025, or +0.24 °C per decade. This trend is statistically significant.
The number of frost days there went from about 117 to 79 per year over the period.
The hottest day of the period reached 35.4 °C (on 13 August 2003) and the coldest -26.7 °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
MengenBaden-Wurttemberg
- coords
- 48.05°, 9.33°
- period
- 1940–2025 · 86 yrs
Mean daily temperature
8.0°C
Average daily high
11.9°C
Average daily low
4.5°C
Annual rainfall
1,041mm
Sunshine / day
8.2h
Mean relative humidity
79%
Average peak wind
14.4km/h
Seasonal range
18.8°C
Frost days (< 0 °C)
98 d/yr
Hot days (≥ 30 °C)
2 d/yr
Rainy days (≥ 1 mm)
163 d/yr
Annual snowfall
93.3 cm
Average feels-like high
9.7 °C
Average feels-like low
1.9 °C
Average peak gust
31.9 km/h
Tropical nights (≥ 20 °C)
0 d/yr
Solar radiation
12.0 MJ/m²
Has the climate changed?
One stripe per year, 1940 to 2025
+2.0 °C
since 1940
+0.2 °C per decade · r² = 0.47 · 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
35.4 °C
13 August 2003
Coldest day
-26.7 °C
19 January 1940
Wettest day
57 mm
31 August 2017
Windiest day
52.9 km/h
26 December 1999
Strongest gust
132.8 km/h
27 February 1990
Hottest feels-like
38.7 °C
6 July 1957
Coldest feels-like
-32.7 °C
10 February 1956
Snowiest day
24.6 cm
4 March 2006
Sunniest day
15.0 h
26 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 | 3.8 °C | +2.7 °C | 90 mm | +28 mm |
| Feb | 4.1 °C | +0.9 °C | 43 mm | -17 mm |
| Mar | 10.4 °C | +2.5 °C | 50 mm | -17 mm |
| Apr | 15.7 °C | +3.4 °C | 42 mm | -42 mm |
| May | 17.9 °C | +1.3 °C | 93 mm | -24 mm |
| Jun | 25.5 °C | +5.6 °C | 75 mm | -50 mm |
| Jul | 22.9 °C | +1.0 °C | 181 mm | +57 mm |
| Aug | 24.1 °C | +2.6 °C | 148 mm | +34 mm |
| Sep | 18.2 °C | +0.4 °C | 163 mm | +83 mm |
| Oct | 12.4 °C | 0.0 °C | 65 mm | -3 mm |
| Nov | 6.4 °C | +0.5 °C | 78 mm | +5 mm |
| Dec | 3.1 °C | +1.0 °C | 20 mm | -48 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 Mengen?
Mengen has a warm-summer humid continental climate (Köppen Dfb). Over 1940-2025, the average annual temperature is 8.0 °C and it receives 1,041 mm of precipitation per year.
What is the hottest day ever recorded in Mengen?
The hottest day measured in Mengen between 1940 and 2025 was 13 August 2003, reaching 35.4 °C.
What is the coldest day in Mengen?
The coldest day measured in Mengen between 1940 and 2025 was 19 January 1940, at -26.7 °C.
Does it snow in Mengen?
Yes. Mengen gets on average 93.3 cm of snow per year and has around 98 frost days.
Has the climate of Mengen warmed?
Yes: Mengen warmed by +2.0 °C between 1940 and 2025, a statistically significant trend.
What is the wettest day in Mengen?
The wettest day measured in Mengen between 1940 and 2025 was 31 August 2017, with 57 mm of rain in 24 hours.
What was the windiest day in Mengen?
The windiest day measured in Mengen between 1940 and 2025 was 26 December 1999, with winds reaching 52.9 km/h.
What is the warmest month in Mengen?
The warmest month in Mengen is July (17.3 °C on average); the coldest is January (-1.5 °C).
How much does it rain in Mengen?
Mengen receives on average 1,041 mm of precipitation per year, spread over about 163 rainy days.
Is it sunny in Mengen?
Mengen gets on average 8.2 hours of sunshine per day, roughly 2,993 hours per year over 1940-2025.
What is the biggest single-day snowfall in Mengen?
The heaviest 24-hour snowfall measured in Mengen between 1940 and 2025 was 4 March 2006, with 24.6 cm.
Are there tropical nights in Mengen?
Almost never: tropical nights (temperature staying above 20 °C) are virtually non-existent in Mengen.
What was the most extreme apparent temperature in Mengen?
In Mengen, between 1940 and 2025, the highest apparent temperature reached 38.7 °C on 6 July 1957, and the lowest was -32.7 °C on 10 February 1956.
Compare Mengen with another city
Pick a second city: its normals will be set against these, indicator by indicator.
Nearby cities
The climate around Mengen