Roßlau climate — normals and trends
Roßlau (Germany) has a temperate oceanic climate (Cfb) under the Köppen-Geiger classification. Its mean annual temperature is 9.4 °C and it receives 625 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 (18.7 °C on average) and the coldest is January (0.2 °C). Rainfall peaks in July.
Roßlau averages 70 frost days, 6 hot days (≥ 30 °C) and 132 rainy days per year.
Roßlau has warmed by +2.2 °C between 1940 and 2025, or +0.25 °C per decade. This trend is statistically significant.
The number of frost days there went from about 85 to 55 per year over the period.
The hottest day of the period reached 37.8 °C (on 9 August 1992) and the coldest -24.0 °C (on 27 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
RoßlauSaxony-Anhalt
- coords
- 51.89°, 12.24°
- period
- 1940–2025 · 86 yrs
Mean daily temperature
9.4°C
Average daily high
12.9°C
Average daily low
6.0°C
Annual rainfall
625mm
Sunshine / day
7.6h
Mean relative humidity
76%
Average peak wind
16.8km/h
Seasonal range
18.5°C
Frost days (< 0 °C)
70 d/yr
Hot days (≥ 30 °C)
6 d/yr
Rainy days (≥ 1 mm)
132 d/yr
Annual snowfall
38.3 cm
Average feels-like high
10.4 °C
Average feels-like low
3.1 °C
Average peak gust
35.7 km/h
Tropical nights (≥ 20 °C)
1 d/yr
Solar radiation
10.5 MJ/m²
Has the climate changed?
One stripe per year, 1940 to 2025
+2.2 °C
since 1940
+0.3 °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
37.8 °C
9 August 1992
Coldest day
-24.0 °C
27 January 1942
Wettest day
55 mm
13 August 1948
Windiest day
54.4 km/h
13 November 1972
Strongest gust
112.3 km/h
18 January 2007
Hottest feels-like
40.5 °C
20 August 1943
Coldest feels-like
-29.5 °C
27 January 1942
Snowiest day
14.9 cm
2 January 1987
Sunniest day
16.0 h
22 June 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 | 5.0 °C | +2.7 °C | 76 mm | +30 mm |
| Feb | 4.6 °C | +0.9 °C | 25 mm | -15 mm |
| Mar | 12.1 °C | +4.2 °C | 15 mm | -30 mm |
| Apr | 16.8 °C | +3.7 °C | 22 mm | -23 mm |
| May | 19.3 °C | +1.4 °C | 38 mm | -22 mm |
| Jun | 25.1 °C | +3.8 °C | 37 mm | -26 mm |
| Jul | 24.5 °C | +1.4 °C | 95 mm | +28 mm |
| Aug | 25.5 °C | +2.6 °C | 45 mm | -20 mm |
| Sep | 21.2 °C | +2.3 °C | 63 mm | +14 mm |
| Oct | 13.4 °C | 0.0 °C | 66 mm | +22 mm |
| Nov | 8.4 °C | +1.2 °C | 40 mm | -9 mm |
| Dec | 5.9 °C | +2.3 °C | 23 mm | -29 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 Roßlau?
Roßlau has a temperate oceanic climate (Köppen Cfb). Over 1940-2025, the average annual temperature is 9.4 °C and it receives 625 mm of precipitation per year.
What is the hottest day ever recorded in Roßlau?
The hottest day measured in Roßlau between 1940 and 2025 was 9 August 1992, reaching 37.8 °C.
What is the coldest day in Roßlau?
The coldest day measured in Roßlau between 1940 and 2025 was 27 January 1942, at -24.0 °C.
Does it snow in Roßlau?
Yes. Roßlau gets on average 38.3 cm of snow per year and has around 70 frost days.
Has the climate of Roßlau warmed?
Yes: Roßlau warmed by +2.2 °C between 1940 and 2025, a statistically significant trend.
What is the wettest day in Roßlau?
The wettest day measured in Roßlau between 1940 and 2025 was 13 August 1948, with 55 mm of rain in 24 hours.
What was the windiest day in Roßlau?
The windiest day measured in Roßlau between 1940 and 2025 was 13 November 1972, with winds reaching 54.4 km/h.
What is the warmest month in Roßlau?
The warmest month in Roßlau is July (18.7 °C on average); the coldest is January (0.2 °C).
How much does it rain in Roßlau?
Roßlau receives on average 625 mm of precipitation per year, spread over about 132 rainy days.
Is it sunny in Roßlau?
Roßlau 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 Roßlau?
The heaviest 24-hour snowfall measured in Roßlau between 1940 and 2025 was 2 January 1987, with 14.9 cm.
Are there tropical nights in Roßlau?
Yes: Roßlau has on average 1 tropical nights per year (temperature staying above 20 °C), over 1940-2025.
What was the most extreme apparent temperature in Roßlau?
In Roßlau, between 1940 and 2025, the highest apparent temperature reached 40.5 °C on 20 August 1943, and the lowest was -29.5 °C on 27 January 1942.
Compare Roßlau with another city
Pick a second city: its normals will be set against these, indicator by indicator.
Nearby cities
The climate around Roßlau