Sonneberg climate — normals and trends
Sonneberg (Germany) has a warm-summer humid continental climate (Dfb) under the Köppen-Geiger classification. Its mean annual temperature is 7.9 °C and it receives 858 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 (-1.7 °C). Rainfall peaks in December.
Sonneberg averages 97 frost days, 4 hot days (≥ 30 °C) and 152 rainy days per year.
Sonneberg has warmed by +2.0 °C between 1940 and 2025, or +0.23 °C per decade. This trend is statistically significant.
The number of frost days there went from about 113 to 81 per year over the period.
The hottest day of the period reached 36.5 °C (on 14 August 2025) and the coldest -26.1 °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
SonnebergThuringia
- coords
- 50.36°, 11.17°
- period
- 1940–2025 · 86 yrs
Mean daily temperature
7.9°C
Average daily high
11.5°C
Average daily low
4.5°C
Annual rainfall
858mm
Sunshine / day
7.4h
Mean relative humidity
79%
Average peak wind
15.8km/h
Seasonal range
19.0°C
Frost days (< 0 °C)
97 d/yr
Hot days (≥ 30 °C)
4 d/yr
Rainy days (≥ 1 mm)
152 d/yr
Annual snowfall
93.8 cm
Average feels-like high
8.9 °C
Average feels-like low
1.6 °C
Average peak gust
35.8 km/h
Tropical nights (≥ 20 °C)
0 d/yr
Solar radiation
10.9 MJ/m²
Has the climate changed?
One stripe per year, 1940 to 2025
+2.0 °C
since 1940
+0.2 °C per decade · r² = 0.41 · 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
36.5 °C
14 August 2025
Coldest day
-26.1 °C
19 January 1940
Wettest day
48 mm
22 October 1986
Windiest day
48.2 km/h
18 January 2007
Strongest gust
132.8 km/h
18 January 2007
Hottest feels-like
38.2 °C
7 July 1957
Coldest feels-like
-31.3 °C
19 January 1940
Snowiest day
17.3 cm
4 December 1981
Sunniest day
15.6 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 | 3.9 °C | +3.4 °C | 89 mm | +10 mm |
| Feb | 3.3 °C | +1.1 °C | 17 mm | -48 mm |
| Mar | 11.0 °C | +4.1 °C | 29 mm | -36 mm |
| Apr | 16.1 °C | +4.1 °C | 27 mm | -35 mm |
| May | 18.6 °C | +1.9 °C | 52 mm | -23 mm |
| Jun | 24.7 °C | +4.8 °C | 67 mm | -10 mm |
| Jul | 23.5 °C | +1.7 °C | 109 mm | +30 mm |
| Aug | 25.3 °C | +3.7 °C | 51 mm | -23 mm |
| Sep | 19.0 °C | +1.4 °C | 115 mm | +55 mm |
| Oct | 11.8 °C | -0.1 °C | 102 mm | +40 mm |
| Nov | 6.0 °C | +0.7 °C | 34 mm | -39 mm |
| Dec | 3.9 °C | +2.2 °C | 22 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 Sonneberg?
Sonneberg has a warm-summer humid continental climate (Köppen Dfb). Over 1940-2025, the average annual temperature is 7.9 °C and it receives 858 mm of precipitation per year.
What is the hottest day ever recorded in Sonneberg?
The hottest day measured in Sonneberg between 1940 and 2025 was 14 August 2025, reaching 36.5 °C.
What is the coldest day in Sonneberg?
The coldest day measured in Sonneberg between 1940 and 2025 was 19 January 1940, at -26.1 °C.
Does it snow in Sonneberg?
Yes. Sonneberg gets on average 93.8 cm of snow per year and has around 97 frost days.
Has the climate of Sonneberg warmed?
Yes: Sonneberg warmed by +2.0 °C between 1940 and 2025, a statistically significant trend.
What is the wettest day in Sonneberg?
The wettest day measured in Sonneberg between 1940 and 2025 was 22 October 1986, with 48 mm of rain in 24 hours.
What was the windiest day in Sonneberg?
The windiest day measured in Sonneberg between 1940 and 2025 was 18 January 2007, with winds reaching 48.2 km/h.
What is the warmest month in Sonneberg?
The warmest month in Sonneberg is July (17.3 °C on average); the coldest is January (-1.7 °C).
How much does it rain in Sonneberg?
Sonneberg receives on average 858 mm of precipitation per year, spread over about 152 rainy days.
Is it sunny in Sonneberg?
Sonneberg gets on average 7.4 hours of sunshine per day, roughly 2,701 hours per year over 1940-2025.
What is the biggest single-day snowfall in Sonneberg?
The heaviest 24-hour snowfall measured in Sonneberg between 1940 and 2025 was 4 December 1981, with 17.3 cm.
Are there tropical nights in Sonneberg?
Almost never: tropical nights (temperature staying above 20 °C) are virtually non-existent in Sonneberg.
What was the most extreme apparent temperature in Sonneberg?
In Sonneberg, between 1940 and 2025, the highest apparent temperature reached 38.2 °C on 7 July 1957, and the lowest was -31.3 °C on 19 January 1940.
Compare Sonneberg with another city
Pick a second city: its normals will be set against these, indicator by indicator.
Nearby cities
The climate around Sonneberg