Harrislee climate — normals and trends
Harrislee (Germany) has a temperate oceanic climate (Cfb) under the Köppen-Geiger classification. Its mean annual temperature is 8.5 °C and it receives 723 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 (16.7 °C on average) and the coldest is January (0.8 °C). Rainfall peaks in August.
Harrislee averages 66 frost days, 1 hot days (≥ 30 °C) and 141 rainy days per year.
Harrislee has warmed by +2.0 °C between 1940 and 2025, or +0.24 °C per decade. This trend is statistically significant.
The number of frost days there went from about 86 to 46 per year over the period.
The hottest day of the period reached 33.8 °C (on 20 July 2022) and the coldest -23.8 °C (on 26 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
HarrisleeSchleswig-Holstein
- coords
- 54.80°, 9.38°
- period
- 1940–2025 · 86 yrs
Mean daily temperature
8.5°C
Average daily high
11.4°C
Average daily low
5.6°C
Annual rainfall
723mm
Sunshine / day
7.7h
Mean relative humidity
82%
Average peak wind
21.1km/h
Seasonal range
15.9°C
Frost days (< 0 °C)
66 d/yr
Hot days (≥ 30 °C)
1 d/yr
Rainy days (≥ 1 mm)
141 d/yr
Annual snowfall
38.8 cm
Average feels-like high
8.5 °C
Average feels-like low
2.4 °C
Average peak gust
41.9 km/h
Tropical nights (≥ 20 °C)
0 d/yr
Solar radiation
10.2 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
33.8 °C
20 July 2022
Coldest day
-23.8 °C
26 January 1942
Wettest day
52 mm
25 July 2015
Windiest day
68.7 km/h
3 December 1999
Strongest gust
137.2 km/h
3 December 1999
Hottest feels-like
34.9 °C
20 July 2022
Coldest feels-like
-29.6 °C
26 January 1942
Snowiest day
19.3 cm
26 January 1995
Sunniest day
16.9 h
30 June 2018
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 | 4.6 °C | +2.0 °C | 79 mm | +19 mm |
| Feb | 4.2 °C | +1.1 °C | 15 mm | -32 mm |
| Mar | 10.1 °C | +4.0 °C | 15 mm | -35 mm |
| Apr | 13.8 °C | +3.3 °C | 36 mm | -12 mm |
| May | 16.7 °C | +1.5 °C | 36 mm | -21 mm |
| Jun | 19.9 °C | +1.4 °C | 81 mm | +17 mm |
| Jul | 21.7 °C | +1.4 °C | 141 mm | +66 mm |
| Aug | 21.4 °C | +1.2 °C | 40 mm | -35 mm |
| Sep | 18.6 °C | +1.7 °C | 56 mm | -7 mm |
| Oct | 13.1 °C | +0.8 °C | 107 mm | +44 mm |
| Nov | 8.0 °C | +0.8 °C | 42 mm | -19 mm |
| Dec | 6.8 °C | +2.7 °C | 28 mm | -32 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 Harrislee?
Harrislee has a temperate oceanic climate (Köppen Cfb). Over 1940-2025, the average annual temperature is 8.5 °C and it receives 723 mm of precipitation per year.
What is the hottest day ever recorded in Harrislee?
The hottest day measured in Harrislee between 1940 and 2025 was 20 July 2022, reaching 33.8 °C.
What is the coldest day in Harrislee?
The coldest day measured in Harrislee between 1940 and 2025 was 26 January 1942, at -23.8 °C.
Does it snow in Harrislee?
Yes. Harrislee gets on average 38.8 cm of snow per year and has around 66 frost days.
Has the climate of Harrislee warmed?
Yes: Harrislee warmed by +2.0 °C between 1940 and 2025, a statistically significant trend.
What is the wettest day in Harrislee?
The wettest day measured in Harrislee between 1940 and 2025 was 25 July 2015, with 52 mm of rain in 24 hours.
What was the windiest day in Harrislee?
The windiest day measured in Harrislee between 1940 and 2025 was 3 December 1999, with winds reaching 68.7 km/h.
What is the warmest month in Harrislee?
The warmest month in Harrislee is July (16.7 °C on average); the coldest is January (0.8 °C).
How much does it rain in Harrislee?
Harrislee receives on average 723 mm of precipitation per year, spread over about 141 rainy days.
Is it sunny in Harrislee?
Harrislee 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 Harrislee?
The heaviest 24-hour snowfall measured in Harrislee between 1940 and 2025 was 26 January 1995, with 19.3 cm.
Are there tropical nights in Harrislee?
Almost never: tropical nights (temperature staying above 20 °C) are virtually non-existent in Harrislee.
What was the most extreme apparent temperature in Harrislee?
In Harrislee, between 1940 and 2025, the highest apparent temperature reached 34.9 °C on 20 July 2022, and the lowest was -29.6 °C on 26 January 1942.
Compare Harrislee with another city
Pick a second city: its normals will be set against these, indicator by indicator.
Nearby cities
The climate around Harrislee