Petersberg climate — normals and trends
Petersberg (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 913 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 (16.8 °C on average) and the coldest is January (-1.3 °C). Rainfall peaks in July.
Petersberg averages 91 frost days, 2 hot days (≥ 30 °C) and 159 rainy days per year.
Petersberg 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 109 to 73 per year over the period.
The hottest day of the period reached 35.3 °C (on 9 August 2003) and the coldest -25.8 °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
PetersbergHesse
- coords
- 50.56°, 9.71°
- period
- 1940–2025 · 86 yrs
Mean daily temperature
7.9°C
Average daily high
11.3°C
Average daily low
4.6°C
Annual rainfall
913mm
Sunshine / day
7.5h
Mean relative humidity
80%
Average peak wind
16.0km/h
Seasonal range
18.1°C
Frost days (< 0 °C)
91 d/yr
Hot days (≥ 30 °C)
2 d/yr
Rainy days (≥ 1 mm)
159 d/yr
Annual snowfall
86.1 cm
Average feels-like high
8.8 °C
Average feels-like low
1.7 °C
Average peak gust
36.5 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 = 0.40 · 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
35.3 °C
9 August 2003
Coldest day
-25.8 °C
19 January 1940
Wettest day
68 mm
10 August 1981
Windiest day
48.9 km/h
18 January 2007
Strongest gust
128.9 km/h
18 January 2007
Hottest feels-like
40.0 °C
7 July 1957
Coldest feels-like
-31.0 °C
18 January 1940
Snowiest day
14.3 cm
11 February 1952
Sunniest day
15.4 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 | 4.0 °C | +3.1 °C | 110 mm | +34 mm |
| Feb | 3.6 °C | +1.2 °C | 33 mm | -33 mm |
| Mar | 11.3 °C | +4.3 °C | 17 mm | -53 mm |
| Apr | 15.8 °C | +4.1 °C | 37 mm | -32 mm |
| May | 18.8 °C | +2.7 °C | 58 mm | -27 mm |
| Jun | 23.8 °C | +4.5 °C | 76 mm | -9 mm |
| Jul | 23.4 °C | +2.2 °C | 99 mm | +12 mm |
| Aug | 24.5 °C | +3.6 °C | 57 mm | -28 mm |
| Sep | 18.3 °C | +1.2 °C | 104 mm | +37 mm |
| Oct | 11.6 °C | -0.1 °C | 116 mm | +50 mm |
| Nov | 6.4 °C | +0.9 °C | 45 mm | -29 mm |
| Dec | 4.6 °C | +2.5 °C | 22 mm | -63 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 Petersberg?
Petersberg has a warm-summer humid continental climate (Köppen Dfb). Over 1940-2025, the average annual temperature is 7.9 °C and it receives 913 mm of precipitation per year.
What is the hottest day ever recorded in Petersberg?
The hottest day measured in Petersberg between 1940 and 2025 was 9 August 2003, reaching 35.3 °C.
What is the coldest day in Petersberg?
The coldest day measured in Petersberg between 1940 and 2025 was 19 January 1940, at -25.8 °C.
Does it snow in Petersberg?
Yes. Petersberg gets on average 86.1 cm of snow per year and has around 91 frost days.
Has the climate of Petersberg warmed?
Yes: Petersberg warmed by +2.0 °C between 1940 and 2025, a statistically significant trend.
What is the wettest day in Petersberg?
The wettest day measured in Petersberg between 1940 and 2025 was 10 August 1981, with 68 mm of rain in 24 hours.
What was the windiest day in Petersberg?
The windiest day measured in Petersberg between 1940 and 2025 was 18 January 2007, with winds reaching 48.9 km/h.
What is the warmest month in Petersberg?
The warmest month in Petersberg is July (16.8 °C on average); the coldest is January (-1.3 °C).
How much does it rain in Petersberg?
Petersberg receives on average 913 mm of precipitation per year, spread over about 159 rainy days.
Is it sunny in Petersberg?
Petersberg gets on average 7.5 hours of sunshine per day, roughly 2,738 hours per year over 1940-2025.
What is the biggest single-day snowfall in Petersberg?
The heaviest 24-hour snowfall measured in Petersberg between 1940 and 2025 was 11 February 1952, with 14.3 cm.
Are there tropical nights in Petersberg?
Almost never: tropical nights (temperature staying above 20 °C) are virtually non-existent in Petersberg.
What was the most extreme apparent temperature in Petersberg?
In Petersberg, between 1940 and 2025, the highest apparent temperature reached 40.0 °C on 7 July 1957, and the lowest was -31.0 °C on 18 January 1940.
Compare Petersberg with another city
Pick a second city: its normals will be set against these, indicator by indicator.
Nearby cities
The climate around Petersberg