Hammelburg climate — normals and trends
Hammelburg (Germany) has a warm-summer humid continental climate (Dfb) under the Köppen-Geiger classification. Its mean annual temperature is 9.0 °C and it receives 712 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 (-0.3 °C). Rainfall peaks in May.
Hammelburg averages 80 frost days, 5 hot days (≥ 30 °C) and 137 rainy days per year.
Hammelburg 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 95 to 65 per year over the period.
The hottest day of the period reached 36.3 °C (on 14 August 2025) and the coldest -25.5 °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
HammelburgBavaria
- coords
- 50.12°, 9.89°
- period
- 1940–2025 · 86 yrs
Mean daily temperature
9.0°C
Average daily high
12.7°C
Average daily low
5.4°C
Annual rainfall
712mm
Sunshine / day
7.6h
Mean relative humidity
77%
Average peak wind
15.4km/h
Seasonal range
18.5°C
Frost days (< 0 °C)
80 d/yr
Hot days (≥ 30 °C)
5 d/yr
Rainy days (≥ 1 mm)
137 d/yr
Annual snowfall
48.0 cm
Average feels-like high
10.3 °C
Average feels-like low
2.6 °C
Average peak gust
34.0 km/h
Tropical nights (≥ 20 °C)
0 d/yr
Solar radiation
11.1 MJ/m²
Has the climate changed?
One stripe per year, 1940 to 2025
+1.9 °C
since 1940
+0.2 °C per decade · r² = 0.39 · 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
36.3 °C
14 August 2025
Coldest day
-25.5 °C
23 January 1942
Wettest day
44 mm
9 July 2021
Windiest day
50.4 km/h
1 March 1990
Strongest gust
127.1 km/h
18 January 2007
Hottest feels-like
39.9 °C
7 July 1957
Coldest feels-like
-30.7 °C
23 January 1942
Snowiest day
13.2 cm
15 February 1990
Sunniest day
15.3 h
18 June 2000
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 | 5.1 °C | +3.2 °C | 80 mm | +22 mm |
| Feb | 4.3 °C | +0.5 °C | 29 mm | -23 mm |
| Mar | 12.1 °C | +3.6 °C | 20 mm | -35 mm |
| Apr | 16.9 °C | +3.7 °C | 27 mm | -28 mm |
| May | 20.2 °C | +2.6 °C | 31 mm | -37 mm |
| Jun | 25.7 °C | +4.8 °C | 64 mm | -4 mm |
| Jul | 24.9 °C | +2.0 °C | 74 mm | +9 mm |
| Aug | 26.4 °C | +3.8 °C | 47 mm | -15 mm |
| Sep | 19.5 °C | +0.8 °C | 104 mm | +52 mm |
| Oct | 13.1 °C | +0.2 °C | 78 mm | +25 mm |
| Nov | 7.2 °C | +0.7 °C | 40 mm | -18 mm |
| Dec | 5.3 °C | +2.3 °C | 16 mm | -50 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 Hammelburg?
Hammelburg has a warm-summer humid continental climate (Köppen Dfb). Over 1940-2025, the average annual temperature is 9.0 °C and it receives 712 mm of precipitation per year.
What is the hottest day ever recorded in Hammelburg?
The hottest day measured in Hammelburg between 1940 and 2025 was 14 August 2025, reaching 36.3 °C.
What is the coldest day in Hammelburg?
The coldest day measured in Hammelburg between 1940 and 2025 was 23 January 1942, at -25.5 °C.
Does it snow in Hammelburg?
Yes. Hammelburg gets on average 48.0 cm of snow per year and has around 80 frost days.
Has the climate of Hammelburg warmed?
Yes: Hammelburg warmed by +1.9 °C between 1940 and 2025, a statistically significant trend.
What is the wettest day in Hammelburg?
The wettest day measured in Hammelburg between 1940 and 2025 was 9 July 2021, with 44 mm of rain in 24 hours.
What was the windiest day in Hammelburg?
The windiest day measured in Hammelburg between 1940 and 2025 was 1 March 1990, with winds reaching 50.4 km/h.
What is the warmest month in Hammelburg?
The warmest month in Hammelburg is July (18.2 °C on average); the coldest is January (-0.3 °C).
How much does it rain in Hammelburg?
Hammelburg receives on average 712 mm of precipitation per year, spread over about 137 rainy days.
Is it sunny in Hammelburg?
Hammelburg gets on average 7.6 hours of sunshine per day, roughly 2,774 hours per year over 1940-2025.
What is the biggest single-day snowfall in Hammelburg?
The heaviest 24-hour snowfall measured in Hammelburg between 1940 and 2025 was 15 February 1990, with 13.2 cm.
Are there tropical nights in Hammelburg?
Almost never: tropical nights (temperature staying above 20 °C) are virtually non-existent in Hammelburg.
What was the most extreme apparent temperature in Hammelburg?
In Hammelburg, between 1940 and 2025, the highest apparent temperature reached 39.9 °C on 7 July 1957, and the lowest was -30.7 °C on 23 January 1942.
Compare Hammelburg with another city
Pick a second city: its normals will be set against these, indicator by indicator.
Nearby cities
The climate around Hammelburg