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Warmest sea in Germany in April

147 coastal locations in Germany ranked by their typical April sea temperature. Region-wide average in April: 8.2°C. The top of the list is where to find the warmest swimming this month.

Warmest in April

Constance

15.5°C April mean in Germany

Regional April average

8.2°C

across all 147 coastal locations in Germany

Vs annual mean

-3.6°C

below the year-round regional average

What the Germany sea feels like in April

This water is very cold and can cause pain. We don't recommend you swim in this temperature for anything other than very short swims of 5 to 10 minutes unless you are a very experienced cold water swimmer.

Germany monthly average 4.3°C to 20.0°C
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  • Warmest month August 20.0°C
  • Coldest month February 4.3°C
  • Annual mean 11.8°C
  • Months above 20°C 1 of 12

Where April fits in the year

April sits inside the regional pattern shown on the left. Pick a different month to see how the ranking shifts.

All twelve Germany month rankings:

Germany sea temperature map (live)

The map shows today's latest reading at every Germany location. The list below is based on the typical April mean, useful for trip planning weeks or months ahead.

Zoom in to see individual locations. Click a pin for water temperatures. View list →
°C -2 0 1 3 5 7 9 11 13 15 17 19 21 24 27 30 35

Top 50 warmest Germany locations in April

Sorted by the typical April mean built from a decade of daily readings at each location. Click any place for its 30-day chart, monthly profile, and full 10-year history.

# Location April mean
1 Constance 15.5°C
2 Mainau 15.5°C
3 Uhldingen-Muhlhofen 15.5°C
4 Titisee 15.5°C
5 Forggensee 14.3°C
6 Friedrichshafen 14.3°C
7 Hagnau am Bodensee 14.3°C
8 Immenstaad am Bodensee 14.3°C
9 Lindau 14.3°C
10 Meersburg 14.3°C
11 Stuttgart 14.3°C
12 Uberlingen 14.3°C
13 Konigssee 13.8°C
14 Munich 13.8°C
15 Prien am Chiemsee 13.8°C
16 Starnberg 13.8°C
17 Walchensee 13.8°C
18 Blomesche Wildnis 9.2°C
19 Busum 9.2°C
20 Neufeld 9.2°C
21 Wesselburenerkoog 9.2°C
22 Neufelderkoog 9.1°C
23 Schobull 9.1°C
24 Tonning 9.1°C
25 Bremerhaven 8.9°C
Show 25 more ▸
26 Frankfurt am Main 8.9°C
27 Neuenkirchen 8.9°C
28 Nordenham 8.9°C
29 Elisabeth-Sophien-Koog Schleswig-Holstein 8.8°C
30 Cuxhaven 8.8°C
31 Sankt Peter-Ording 8.8°C
32 Tumlauer Koog 8.8°C
33 Oldenburg 8.7°C
34 Varel 8.7°C
35 Emden 8.4°C
36 Dagebull 8.3°C
37 Grode 8.3°C
38 Hooge 8.3°C
39 Hooksiel 8.3°C
40 Schillig 8.3°C
41 Wilhelmshaven 8.3°C
42 Amrum 8.0°C
43 Borgsum 8.0°C
44 Nebel 8.0°C
45 Norddorf 8.0°C
46 Wittdun 8.0°C
47 Borkum 8.0°C
48 Juist 7.9°C
49 Norderney 7.9°C
50 List 7.9°C

Coldest 10 in Germany in April

Same data the other way. Helpful if you want to know which Germany coasts to avoid for swimming in April.

# Location April mean
1 Breege 5.9°C
2 Glowe 5.9°C
3 Putgarten 5.9°C
4 Wiek 5.9°C
5 Sassnitz 6.0°C
6 Dranske 6.0°C
7 Hiddensee 6.0°C
8 Schaprode 6.0°C
9 Neuenkirchen Mecklenburg-Vorpommern 6.0°C
10 Altefahr 6.2°C

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