Westerland climate — normals and trends
Westerland (Germany) has a temperate oceanic climate (Cfb) under the Köppen-Geiger classification. Its mean annual temperature is 9.1 °C and it receives 884 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 August (16.8 °C on average) and the coldest is February (2.1 °C). Rainfall peaks in October.
Westerland averages 28 frost days, 0 hot days (≥ 30 °C) and 157 rainy days per year.
Westerland has warmed by +2.1 °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 42 to 14 per year over the period.
The hottest day of the period reached 25.8 °C (on 27 July 2018) and the coldest -11.9 °C (on 25 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
WesterlandSchleswig-Holstein
- coords
- 54.91°, 8.30°
- period
- 1940–2025 · 86 yrs
Mean daily temperature
9.1°C
Average daily high
10.1°C
Average daily low
8.2°C
Annual rainfall
884mm
Sunshine / day
8.1h
Mean relative humidity
82%
Average peak wind
34.7km/h
Seasonal range
14.7°C
Frost days (< 0 °C)
28 d/yr
Hot days (≥ 30 °C)
0 d/yr
Rainy days (≥ 1 mm)
157 d/yr
Annual snowfall
26.3 cm
Average feels-like high
6.3 °C
Average feels-like low
2.9 °C
Average peak gust
46.8 km/h
Tropical nights (≥ 20 °C)
1 d/yr
Solar radiation
10.6 MJ/m²
Has the climate changed?
One stripe per year, 1940 to 2025
+2.1 °C
since 1940
+0.2 °C per decade · r² = 0.43 · 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
25.8 °C
27 July 2018
Coldest day
-11.9 °C
25 January 1942
Wettest day
56 mm
20 August 1990
Windiest day
96.3 km/h
3 December 1999
Strongest gust
157.7 km/h
3 December 1999
Hottest feels-like
28.5 °C
26 July 2018
Coldest feels-like
-22.1 °C
25 January 1942
Snowiest day
13.8 cm
21 November 1971
Sunniest day
17.0 h
21 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 | 5.6 °C | +1.9 °C | 93 mm | +22 mm |
| Feb | 3.7 °C | +0.6 °C | 30 mm | -24 mm |
| Mar | 6.4 °C | +2.1 °C | 15 mm | -38 mm |
| Apr | 9.7 °C | +2.5 °C | 27 mm | -16 mm |
| May | 13.0 °C | +1.7 °C | 51 mm | +2 mm |
| Jun | 16.1 °C | +1.3 °C | 63 mm | +4 mm |
| Jul | 19.0 °C | +2.0 °C | 136 mm | +57 mm |
| Aug | 18.5 °C | +0.7 °C | 69 mm | -27 mm |
| Sep | 17.0 °C | +1.2 °C | 177 mm | +76 mm |
| Oct | 13.0 °C | +0.7 °C | 148 mm | +45 mm |
| Nov | 9.5 °C | +1.0 °C | 83 mm | -12 mm |
| Dec | 7.3 °C | +1.7 °C | 49 mm | -33 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 Westerland?
Westerland has a temperate oceanic climate (Köppen Cfb). Over 1940-2025, the average annual temperature is 9.1 °C and it receives 884 mm of precipitation per year.
What is the hottest day ever recorded in Westerland?
The hottest day measured in Westerland between 1940 and 2025 was 27 July 2018, reaching 25.8 °C.
What is the coldest day in Westerland?
The coldest day measured in Westerland between 1940 and 2025 was 25 January 1942, at -11.9 °C.
Does it snow in Westerland?
Yes. Westerland gets on average 26.3 cm of snow per year and has around 28 frost days.
Has the climate of Westerland warmed?
Yes: Westerland warmed by +2.1 °C between 1940 and 2025, a statistically significant trend.
What is the wettest day in Westerland?
The wettest day measured in Westerland between 1940 and 2025 was 20 August 1990, with 56 mm of rain in 24 hours.
What was the windiest day in Westerland?
The windiest day measured in Westerland between 1940 and 2025 was 3 December 1999, with winds reaching 96.3 km/h.
What is the warmest month in Westerland?
The warmest month in Westerland is August (16.8 °C on average); the coldest is February (2.1 °C).
How much does it rain in Westerland?
Westerland receives on average 884 mm of precipitation per year, spread over about 157 rainy days.
Is it sunny in Westerland?
Westerland gets on average 8.1 hours of sunshine per day, roughly 2,957 hours per year over 1940-2025.
What is the biggest single-day snowfall in Westerland?
The heaviest 24-hour snowfall measured in Westerland between 1940 and 2025 was 21 November 1971, with 13.8 cm.
Are there tropical nights in Westerland?
Yes: Westerland has on average 1 tropical nights per year (temperature staying above 20 °C), over 1940-2025.
What was the most extreme apparent temperature in Westerland?
In Westerland, between 1940 and 2025, the highest apparent temperature reached 28.5 °C on 26 July 2018, and the lowest was -22.1 °C on 25 January 1942.
Compare Westerland with another city
Pick a second city: its normals will be set against these, indicator by indicator.
Nearby cities
The climate around Westerland