Sassnitz climate — normals and trends
Sassnitz (Germany) has a temperate oceanic climate (Cfb) under the Köppen-Geiger classification. Its mean annual temperature is 8.7 °C and it receives 710 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 (17.7 °C on average) and the coldest is February (1.1 °C). Rainfall peaks in August.
Sassnitz averages 40 frost days, 0 hot days (≥ 30 °C) and 141 rainy days per year.
Sassnitz has warmed by +2.6 °C between 1940 and 2025, or +0.30 °C per decade. This trend is statistically significant.
The number of frost days there went from about 61 to 19 per year over the period.
The hottest day of the period reached 26.8 °C (on 8 August 2018) and the coldest -11.5 °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
SassnitzMecklenburg-Vorpommern
- coords
- 54.52°, 13.64°
- period
- 1940–2025 · 86 yrs
Mean daily temperature
8.7°C
Average daily high
9.8°C
Average daily low
7.7°C
Annual rainfall
710mm
Sunshine / day
8.0h
Mean relative humidity
82%
Average peak wind
32.2km/h
Seasonal range
16.6°C
Frost days (< 0 °C)
40 d/yr
Hot days (≥ 30 °C)
0 d/yr
Rainy days (≥ 1 mm)
141 d/yr
Annual snowfall
49.7 cm
Average feels-like high
6.1 °C
Average feels-like low
2.7 °C
Average peak gust
43.6 km/h
Tropical nights (≥ 20 °C)
3 d/yr
Solar radiation
10.9 MJ/m²
Has the climate changed?
One stripe per year, 1940 to 2025
+2.6 °C
since 1940
+0.3 °C per decade · r² = 0.55 · 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
26.8 °C
8 August 2018
Coldest day
-11.5 °C
26 January 1942
Wettest day
77 mm
22 July 2025
Windiest day
86.3 km/h
14 January 1993
Strongest gust
130.7 km/h
3 December 1999
Hottest feels-like
28.3 °C
1 August 2018
Coldest feels-like
-21.7 °C
31 December 1978
Snowiest day
16.5 cm
19 March 2001
Sunniest day
16.1 h
23 June 2019
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 | +2.2 °C | 71 mm | +12 mm |
| Feb | 3.1 °C | +0.9 °C | 24 mm | -22 mm |
| Mar | 6.1 °C | +2.4 °C | 9 mm | -35 mm |
| Apr | 9.6 °C | +3.1 °C | 9 mm | -31 mm |
| May | 13.0 °C | +2.1 °C | 54 mm | +9 mm |
| Jun | 17.3 °C | +1.7 °C | 54 mm | -1 mm |
| Jul | 19.4 °C | +1.0 °C | 127 mm | +54 mm |
| Aug | 19.3 °C | +0.5 °C | 53 mm | -21 mm |
| Sep | 18.0 °C | +2.0 °C | 87 mm | +14 mm |
| Oct | 12.5 °C | +1.0 °C | 118 mm | +49 mm |
| Nov | 8.2 °C | +1.1 °C | 55 mm | -13 mm |
| Dec | 6.0 °C | +1.9 °C | 24 mm | -42 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 Sassnitz?
Sassnitz has a temperate oceanic climate (Köppen Cfb). Over 1940-2025, the average annual temperature is 8.7 °C and it receives 710 mm of precipitation per year.
What is the hottest day ever recorded in Sassnitz?
The hottest day measured in Sassnitz between 1940 and 2025 was 8 August 2018, reaching 26.8 °C.
What is the coldest day in Sassnitz?
The coldest day measured in Sassnitz between 1940 and 2025 was 26 January 1942, at -11.5 °C.
Does it snow in Sassnitz?
Yes. Sassnitz gets on average 49.7 cm of snow per year and has around 40 frost days.
Has the climate of Sassnitz warmed?
Yes: Sassnitz warmed by +2.6 °C between 1940 and 2025, a statistically significant trend.
What is the wettest day in Sassnitz?
The wettest day measured in Sassnitz between 1940 and 2025 was 22 July 2025, with 77 mm of rain in 24 hours.
What was the windiest day in Sassnitz?
The windiest day measured in Sassnitz between 1940 and 2025 was 14 January 1993, with winds reaching 86.3 km/h.
What is the warmest month in Sassnitz?
The warmest month in Sassnitz is August (17.7 °C on average); the coldest is February (1.1 °C).
How much does it rain in Sassnitz?
Sassnitz receives on average 710 mm of precipitation per year, spread over about 141 rainy days.
Is it sunny in Sassnitz?
Sassnitz gets on average 8.0 hours of sunshine per day, roughly 2,920 hours per year over 1940-2025.
What is the biggest single-day snowfall in Sassnitz?
The heaviest 24-hour snowfall measured in Sassnitz between 1940 and 2025 was 19 March 2001, with 16.5 cm.
Are there tropical nights in Sassnitz?
Yes: Sassnitz has on average 3 tropical nights per year (temperature staying above 20 °C), over 1940-2025.
What was the most extreme apparent temperature in Sassnitz?
In Sassnitz, between 1940 and 2025, the highest apparent temperature reached 28.3 °C on 1 August 2018, and the lowest was -21.7 °C on 31 December 1978.
Compare Sassnitz with another city
Pick a second city: its normals will be set against these, indicator by indicator.
Nearby cities
The climate around Sassnitz