Jessen climate — normals and trends
Jessen (Germany) has a temperate oceanic climate (Cfb) under the Köppen-Geiger classification. Its mean annual temperature is 9.5 °C and it receives 615 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 (19.0 °C on average) and the coldest is January (0.0 °C). Rainfall peaks in July.
Jessen averages 72 frost days, 7 hot days (≥ 30 °C) and 129 rainy days per year.
Jessen has warmed by +2.4 °C between 1940 and 2025, or +0.28 °C per decade. This trend is statistically significant.
The number of frost days there went from about 88 to 56 per year over the period.
The hottest day of the period reached 38.7 °C (on 2 July 2025) and the coldest -27.5 °C (on 18 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
JessenSaxony-Anhalt
- coords
- 51.79°, 12.96°
- period
- 1940–2025 · 86 yrs
Mean daily temperature
9.5°C
Average daily high
13.1°C
Average daily low
6.0°C
Annual rainfall
615mm
Sunshine / day
7.5h
Mean relative humidity
76%
Average peak wind
16.9km/h
Seasonal range
19.0°C
Frost days (< 0 °C)
72 d/yr
Hot days (≥ 30 °C)
7 d/yr
Rainy days (≥ 1 mm)
129 d/yr
Annual snowfall
39.4 cm
Average feels-like high
10.6 °C
Average feels-like low
3.1 °C
Average peak gust
35.6 km/h
Tropical nights (≥ 20 °C)
2 d/yr
Solar radiation
10.6 MJ/m²
Has the climate changed?
One stripe per year, 1940 to 2025
+2.4 °C
since 1940
+0.3 °C per decade · r² = 0.45 · 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
38.7 °C
2 July 2025
Coldest day
-27.5 °C
18 January 1940
Wettest day
78 mm
8 August 1978
Windiest day
54.6 km/h
13 November 1972
Strongest gust
127.4 km/h
18 January 2007
Hottest feels-like
40.2 °C
20 August 1943
Coldest feels-like
-32.7 °C
18 January 1940
Snowiest day
15.1 cm
2 January 1987
Sunniest day
16.0 h
28 June 1995
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 | 5.7 °C | +3.5 °C | 72 mm | +27 mm |
| Feb | 4.9 °C | +1.2 °C | 21 mm | -20 mm |
| Mar | 12.1 °C | +4.1 °C | 17 mm | -28 mm |
| Apr | 17.2 °C | +3.9 °C | 26 mm | -18 mm |
| May | 19.5 °C | +1.2 °C | 54 mm | -5 mm |
| Jun | 26.2 °C | +4.5 °C | 44 mm | -18 mm |
| Jul | 25.2 °C | +1.7 °C | 88 mm | +20 mm |
| Aug | 26.1 °C | +2.8 °C | 36 mm | -27 mm |
| Sep | 21.5 °C | +2.3 °C | 65 mm | +17 mm |
| Oct | 13.4 °C | -0.2 °C | 57 mm | +13 mm |
| Nov | 8.7 °C | +1.5 °C | 33 mm | -15 mm |
| Dec | 5.7 °C | +2.1 °C | 25 mm | -25 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 Jessen?
Jessen has a temperate oceanic climate (Köppen Cfb). Over 1940-2025, the average annual temperature is 9.5 °C and it receives 615 mm of precipitation per year.
What is the hottest day ever recorded in Jessen?
The hottest day measured in Jessen between 1940 and 2025 was 2 July 2025, reaching 38.7 °C.
What is the coldest day in Jessen?
The coldest day measured in Jessen between 1940 and 2025 was 18 January 1940, at -27.5 °C.
Does it snow in Jessen?
Yes. Jessen gets on average 39.4 cm of snow per year and has around 72 frost days.
Has the climate of Jessen warmed?
Yes: Jessen warmed by +2.4 °C between 1940 and 2025, a statistically significant trend.
What is the wettest day in Jessen?
The wettest day measured in Jessen between 1940 and 2025 was 8 August 1978, with 78 mm of rain in 24 hours.
What was the windiest day in Jessen?
The windiest day measured in Jessen between 1940 and 2025 was 13 November 1972, with winds reaching 54.6 km/h.
What is the warmest month in Jessen?
The warmest month in Jessen is July (19.0 °C on average); the coldest is January (0.0 °C).
How much does it rain in Jessen?
Jessen receives on average 615 mm of precipitation per year, spread over about 129 rainy days.
Is it sunny in Jessen?
Jessen 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 Jessen?
The heaviest 24-hour snowfall measured in Jessen between 1940 and 2025 was 2 January 1987, with 15.1 cm.
Are there tropical nights in Jessen?
Yes: Jessen has on average 2 tropical nights per year (temperature staying above 20 °C), over 1940-2025.
What was the most extreme apparent temperature in Jessen?
In Jessen, between 1940 and 2025, the highest apparent temperature reached 40.2 °C on 20 August 1943, and the lowest was -32.7 °C on 18 January 1940.
Compare Jessen with another city
Pick a second city: its normals will be set against these, indicator by indicator.
Nearby cities
The climate around Jessen