Heroldsbach climate — normals and trends
Heroldsbach (Germany) has a warm-summer humid continental climate (Dfb) under the Köppen-Geiger classification. Its mean annual temperature is 8.8 °C and it receives 805 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 (18.2 °C on average) and the coldest is January (-0.7 °C). Rainfall peaks in July.
Heroldsbach averages 83 frost days, 6 hot days (≥ 30 °C) and 147 rainy days per year.
Heroldsbach 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 98 to 68 per year over the period.
The hottest day of the period reached 38.0 °C (on 2 July 2025) and the coldest -28.0 °C (on 23 January 1942).
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
HeroldsbachBavaria
- coords
- 49.69°, 11.00°
- period
- 1940–2025 · 86 yrs
Mean daily temperature
8.8°C
Average daily high
12.7°C
Average daily low
5.3°C
Annual rainfall
805mm
Sunshine / day
7.7h
Mean relative humidity
77%
Average peak wind
15.2km/h
Seasonal range
18.9°C
Frost days (< 0 °C)
83 d/yr
Hot days (≥ 30 °C)
6 d/yr
Rainy days (≥ 1 mm)
147 d/yr
Annual snowfall
60.5 cm
Average feels-like high
10.3 °C
Average feels-like low
2.5 °C
Average peak gust
33.5 km/h
Tropical nights (≥ 20 °C)
0 d/yr
Solar radiation
11.2 MJ/m²
Has the climate changed?
One stripe per year, 1940 to 2025
+1.9 °C
since 1940
+0.2 °C per decade · r² = 0.40 · 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
38.0 °C
2 July 2025
Coldest day
-28.0 °C
23 January 1942
Wettest day
53 mm
31 August 1945
Windiest day
51.5 km/h
18 January 2007
Strongest gust
132.1 km/h
18 January 2007
Hottest feels-like
39.3 °C
7 July 1957
Coldest feels-like
-33.2 °C
23 January 1942
Snowiest day
14.8 cm
10 April 1973
Sunniest day
15.4 h
24 June 2016
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 | 4.8 °C | +3.2 °C | 77 mm | +12 mm |
| Feb | 4.1 °C | +0.5 °C | 30 mm | -28 mm |
| Mar | 12.1 °C | +3.8 °C | 26 mm | -35 mm |
| Apr | 17.1 °C | +3.9 °C | 28 mm | -32 mm |
| May | 19.8 °C | +2.0 °C | 41 mm | -35 mm |
| Jun | 26.3 °C | +5.3 °C | 60 mm | -19 mm |
| Jul | 24.9 °C | +1.9 °C | 107 mm | +29 mm |
| Aug | 26.5 °C | +3.8 °C | 54 mm | -19 mm |
| Sep | 19.7 °C | +1.0 °C | 141 mm | +81 mm |
| Oct | 12.9 °C | -0.1 °C | 88 mm | +30 mm |
| Nov | 6.9 °C | +0.6 °C | 44 mm | -20 mm |
| Dec | 4.8 °C | +2.1 °C | 21 mm | -52 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 Heroldsbach?
Heroldsbach has a warm-summer humid continental climate (Köppen Dfb). Over 1940-2025, the average annual temperature is 8.8 °C and it receives 805 mm of precipitation per year.
What is the hottest day ever recorded in Heroldsbach?
The hottest day measured in Heroldsbach between 1940 and 2025 was 2 July 2025, reaching 38.0 °C.
What is the coldest day in Heroldsbach?
The coldest day measured in Heroldsbach between 1940 and 2025 was 23 January 1942, at -28.0 °C.
Does it snow in Heroldsbach?
Yes. Heroldsbach gets on average 60.5 cm of snow per year and has around 83 frost days.
Has the climate of Heroldsbach warmed?
Yes: Heroldsbach warmed by +1.9 °C between 1940 and 2025, a statistically significant trend.
What is the wettest day in Heroldsbach?
The wettest day measured in Heroldsbach between 1940 and 2025 was 31 August 1945, with 53 mm of rain in 24 hours.
What was the windiest day in Heroldsbach?
The windiest day measured in Heroldsbach between 1940 and 2025 was 18 January 2007, with winds reaching 51.5 km/h.
What is the warmest month in Heroldsbach?
The warmest month in Heroldsbach is July (18.2 °C on average); the coldest is January (-0.7 °C).
How much does it rain in Heroldsbach?
Heroldsbach receives on average 805 mm of precipitation per year, spread over about 147 rainy days.
Is it sunny in Heroldsbach?
Heroldsbach gets on average 7.7 hours of sunshine per day, roughly 2,811 hours per year over 1940-2025.
What is the biggest single-day snowfall in Heroldsbach?
The heaviest 24-hour snowfall measured in Heroldsbach between 1940 and 2025 was 10 April 1973, with 14.8 cm.
Are there tropical nights in Heroldsbach?
Almost never: tropical nights (temperature staying above 20 °C) are virtually non-existent in Heroldsbach.
What was the most extreme apparent temperature in Heroldsbach?
In Heroldsbach, between 1940 and 2025, the highest apparent temperature reached 39.3 °C on 7 July 1957, and the lowest was -33.2 °C on 23 January 1942.
Compare Heroldsbach with another city
Pick a second city: its normals will be set against these, indicator by indicator.
Nearby cities
The climate around Heroldsbach