Wismar climate — normals and trends
Wismar (Germany) has a temperate oceanic climate (Cfb) under the Köppen-Geiger classification. Its mean annual temperature is 8.8 °C and it receives 656 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 (17.6 °C on average) and the coldest is January (0.4 °C). Rainfall peaks in July.
Wismar averages 64 frost days, 1 hot days (≥ 30 °C) and 137 rainy days per year.
Wismar has warmed by +2.3 °C between 1940 and 2025, or +0.27 °C per decade. This trend is statistically significant.
The number of frost days there went from about 86 to 42 per year over the period.
The hottest day of the period reached 35.5 °C (on 20 July 2022) and the coldest -20.8 °C (on 2 February 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
WismarMecklenburg-Vorpommern
- coords
- 53.89°, 11.46°
- period
- 1940–2025 · 86 yrs
Mean daily temperature
8.8°C
Average daily high
11.6°C
Average daily low
6.0°C
Annual rainfall
656mm
Sunshine / day
7.8h
Mean relative humidity
81%
Average peak wind
23.1km/h
Seasonal range
17.2°C
Frost days (< 0 °C)
64 d/yr
Hot days (≥ 30 °C)
1 d/yr
Rainy days (≥ 1 mm)
137 d/yr
Annual snowfall
38.8 cm
Average feels-like high
8.6 °C
Average feels-like low
2.4 °C
Average peak gust
40.6 km/h
Tropical nights (≥ 20 °C)
0 d/yr
Solar radiation
10.6 MJ/m²
Has the climate changed?
One stripe per year, 1940 to 2025
+2.3 °C
since 1940
+0.3 °C per decade · r² = 0.46 · 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
35.5 °C
20 July 2022
Coldest day
-20.8 °C
2 February 1940
Wettest day
59 mm
31 July 1993
Windiest day
67.0 km/h
14 January 1993
Strongest gust
118.4 km/h
21 January 1956
Hottest feels-like
35.3 °C
2 July 2025
Coldest feels-like
-27.5 °C
2 February 1940
Snowiest day
20.0 cm
10 April 1970
Sunniest day
16.2 h
1 July 2025
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 | 4.3 °C | +2.2 °C | 57 mm | +6 mm |
| Feb | 4.3 °C | +1.5 °C | 13 mm | -29 mm |
| Mar | 10.2 °C | +4.0 °C | 10 mm | -35 mm |
| Apr | 14.5 °C | +3.7 °C | 25 mm | -21 mm |
| May | 17.1 °C | +1.4 °C | 44 mm | -12 mm |
| Jun | 21.4 °C | +2.2 °C | 86 mm | +22 mm |
| Jul | 22.4 °C | +1.3 °C | 124 mm | +54 mm |
| Aug | 22.7 °C | +1.7 °C | 26 mm | -44 mm |
| Sep | 19.9 °C | +2.4 °C | 56 mm | 0 mm |
| Oct | 13.1 °C | +0.7 °C | 86 mm | +36 mm |
| Nov | 8.1 °C | +1.2 °C | 58 mm | +6 mm |
| Dec | 6.3 °C | +2.6 °C | 24 mm | -30 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 Wismar?
Wismar has a temperate oceanic climate (Köppen Cfb). Over 1940-2025, the average annual temperature is 8.8 °C and it receives 656 mm of precipitation per year.
What is the hottest day ever recorded in Wismar?
The hottest day measured in Wismar between 1940 and 2025 was 20 July 2022, reaching 35.5 °C.
What is the coldest day in Wismar?
The coldest day measured in Wismar between 1940 and 2025 was 2 February 1940, at -20.8 °C.
Does it snow in Wismar?
Yes. Wismar gets on average 38.8 cm of snow per year and has around 64 frost days.
Has the climate of Wismar warmed?
Yes: Wismar warmed by +2.3 °C between 1940 and 2025, a statistically significant trend.
What is the wettest day in Wismar?
The wettest day measured in Wismar between 1940 and 2025 was 31 July 1993, with 59 mm of rain in 24 hours.
What was the windiest day in Wismar?
The windiest day measured in Wismar between 1940 and 2025 was 14 January 1993, with winds reaching 67.0 km/h.
What is the warmest month in Wismar?
The warmest month in Wismar is July (17.6 °C on average); the coldest is January (0.4 °C).
How much does it rain in Wismar?
Wismar receives on average 656 mm of precipitation per year, spread over about 137 rainy days.
Is it sunny in Wismar?
Wismar gets on average 7.8 hours of sunshine per day, roughly 2,847 hours per year over 1940-2025.
What is the biggest single-day snowfall in Wismar?
The heaviest 24-hour snowfall measured in Wismar between 1940 and 2025 was 10 April 1970, with 20.0 cm.
Are there tropical nights in Wismar?
Almost never: tropical nights (temperature staying above 20 °C) are virtually non-existent in Wismar.
What was the most extreme apparent temperature in Wismar?
In Wismar, between 1940 and 2025, the highest apparent temperature reached 35.3 °C on 2 July 2025, and the lowest was -27.5 °C on 2 February 1940.
Compare Wismar with another city
Pick a second city: its normals will be set against these, indicator by indicator.
Nearby cities
The climate around Wismar