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Sea temperature in Germany

Live water temperatures and swimming conditions across 39 beaches on the Germany coast.

Best time to swim in Germany

The sea in Germany peaks in August, when the water averages around 19°C.

On average, 0 months a year sit above 20°C — the threshold most swimmers describe as pleasant without a wetsuit.

Outside peak season the water drops toward 7°C, so a 3/2mm shorty or full wetsuit makes long swims much more comfortable.

The coldest month is typically February at around 3°C, when cold-water swimmers dominate the coast.

Germany sea temperature history

Long-term climatology for Germany shows an annual mean sea temperature of 10°C, ranging from 3°C in winter to 19°C at the summer peak.

The seasonal swing is roughly 16°C between the coldest and warmest month — a useful yardstick when comparing years or checking whether the current sea is running above or below average.

Recent decades have trended slightly warmer at Germany, in line with regional sea-surface temperature records for the wider basin.

Monthly averages below are drawn from multi-decadal climatology and are updated as new observations arrive.

Jan
4°C
Feb
3°C
Mar
4°C
Apr
6°C
May
10°C
Jun
14°C
Jul
18°C
Aug
19°C
Sep
17°C
Oct
13°C
Nov
9°C
Dec
6°C

Values are area averages; individual beaches vary by exposure and depth.

Germany sea temperature: frequently asked questions

What is the warmest month to swim in Germany?

August is the warmest month in Germany, when the sea averages about 19°C. Late-season warmth often persists a few weeks after peak.

When is the sea coldest in Germany?

The coldest month in Germany is typically February, when the water averages around 3°C. Cold-water swimmers and surfers dominate this period.

When can you swim in Germany without a wetsuit?

The sea in Germany rarely climbs above 20°C, so a wetsuit is recommended year-round for anything longer than a quick dip.

Do I need a wetsuit in Germany?

Outside peak summer the water in Germany drops toward 7°C, so a 3/2mm shorty or full wetsuit makes long swims much more comfortable. In peak months most swimmers go without.

What is the average sea temperature in Germany?

The long-term annual mean sea temperature in Germany is about 10°C, based on multi-decadal climatology of the surrounding waters.

How do I check the current sea temperature in Germany?

The live reading at the top of this page shows the current sea temperature in Germany, updated hourly from marine buoy and satellite data. The 7-day forecast covers water, air, waves, wind and UV for the week ahead.

Germany sea temperature by month

Average sea temperatures around Germany for every month of the year, based on long-term Open-Meteo marine climatology.

Monthly average sea temperature in Germany
MonthAverage sea
January4.0°C
February3.0°C
March4.0°C
April6.0°C
May10.0°C
June14.0°C
July18.0°C
August ⭐19.0°C
September17.0°C
October13.0°C
November9.0°C
December6.0°C

Monthly figures are modelled climatology averages, not live readings. How accurate is our data?

Warmest beaches in Germany right now

BeachRegionSea
BinzBaltic Sea17.7°C
Gohren BeachRugen17.7°C
Kampen BeachSylt17.6°C
Buesum BeachNorth Sea Coast17.5°C
Westerland BeachSylt17.4°C
Baabe BeachRugen17.4°C
Karlshagen BeachUsedom17.4°C
Timmendorfer StrandBaltic Sea17.3°C
Cuxhaven DuhnenNorth Sea Coast17.3°C
Juliusruh BeachRugen17.3°C
Rantum BeachSylt17.2°C
Baltrum BeachNorth Sea Coast17.2°C
Ahlbeck BeachUsedom17.1°C
List BeachSylt17.0°C
Wangerooge BeachNorth Sea Coast17.0°C
Zingst BeachBaltic Coast17.0°C
Norderney BeachNorth Sea16.9°C
HeringsdorfBaltic Sea16.9°C
Bansin BeachUsedom16.9°C
Heiligendamm BeachBaltic Coast16.8°C
Prerow BeachBaltic Coast16.8°C
Sellin BeachRugen16.8°C
Wenningstedt BeachSylt16.7°C
Hornum BeachSylt16.7°C
St Peter-OrdingNorth Sea16.6°C
TravemündeBaltic Sea16.6°C
BoltenhagenBaltic Sea16.6°C
Utersum BeachNorth Sea Coast16.6°C
Juist BeachNorth Sea Coast16.6°C
Kuhlungsborn BeachBaltic Coast16.6°C
Zempin BeachUsedom16.6°C
Ueckeritz BeachUsedom16.6°C
Spiekeroog BeachNorth Sea16.5°C
ProraBaltic Sea16.5°C
WarnemündeBaltic Sea16.5°C
Langeoog BeachNorth Sea Coast16.5°C
Borkum BeachNorth Sea Coast16.5°C
Amrum KniepsandNorth Sea Coast16.3°C
Scharbeutz BeachBaltic Coast16.3°C

Sea temperature in Germany — FAQ

How warm is the sea in Germany in September?

The sea off Germany averages about 17.0°C in September, based on long-term monthly averages for this coast.

When is the best time to swim in Germany?

Germany is warmest in August (around 19.0°C) and coldest in February (around 3.0°C). There are typically 0 months a year when the water sits above 22°C.

What is the average yearly sea temperature in Germany?

Across all twelve months, the sea in Germany averages about 10.3°C.

Do you need a wetsuit to swim in Germany?

The sea in Germany stays below 22°C even at its warmest (~19.0°C in August), so a 3/2mm or thicker wetsuit is recommended for longer swims year-round.