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Coldest sea in Finland in August

52 coastal locations in Finland ranked by typical August sea temperature, coldest first. Region-wide average in August: 17.3°C.

Coldest in August

Himanka

15.8°C August mean in Finland

Regional August average

17.3°C

across all 52 coastal locations in Finland

Vs annual mean

+9.3°C

above the year-round regional average

What the Finland sea feels like in August

At this temperature, water will feel cold compared to a swimming pool, but with a bit of experience and practice most people will find the water relatively comfortable to swim in.

Finland monthly average 0.9°C to 17.3°C
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  • Warmest month August 17.3°C
  • Coldest month February 0.9°C
  • Annual mean 7.9°C
  • Months above 20°C 0 of 12

Where August fits in the year

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

All twelve Finland month rankings:

Finland sea temperature map (live)

The map shows today's latest reading at every Finland location. The list below is based on the typical August mean.

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 coldest Finland locations in August

Sorted by typical August mean from a decade of daily readings, coldest first. Click any place for the full location page.

# Location August mean
1 Himanka 15.8°C
2 Kalajoki 15.9°C
3 Kokkola 15.9°C
4 Oravais 16.1°C
5 Vaasa 16.1°C
6 Pyhajoki 16.2°C
7 Raahe 16.2°C
8 Kemi 16.4°C
9 Keminmaa 16.5°C
10 Kaskinen 16.6°C
11 Kuivaniemi 16.6°C
12 Haukipudas 16.6°C
13 Oulu 16.6°C
14 Kristinestad 16.8°C
15 Mariehamn 16.9°C
16 Aland Islands 17.1°C
17 Pori 17.1°C
18 Inio 17.2°C
19 Pyharanta 17.3°C
20 Rauma 17.3°C
21 Uusikaupunki 17.3°C
22 Houtskar 17.3°C
23 Kustavi 17.3°C
24 Nagu 17.4°C
25 Velkua 17.4°C
Show 25 more ▸
26 Merimasku 17.4°C
27 Rymattyla 17.4°C
28 Laensi Turunmaa 17.4°C
29 Tampere 17.4°C
30 Naantali 17.5°C
31 Pargas 17.6°C
32 Turku 17.6°C
33 Pohja 17.6°C
34 Porvoo 17.6°C
35 Ekenäs Uusimaa 17.7°C
36 Espoo 17.7°C
37 Hanko 17.7°C
38 Helsinki 17.7°C
39 Koukkuniemi 17.7°C
40 Otaniemi 17.7°C
41 Teekkarikylae 17.7°C
42 Västanfjärd Southwest Finland 17.7°C
43 Hango Hango 17.7°C
44 Särkisalo Southwest Finland 17.7°C
45 Inga 17.7°C
46 Perna 17.8°C
47 Ekenaes 17.8°C
48 Länsi-Turunmaa Southwest Finland 17.9°C
49 Hamina 18.1°C
50 Kotka 18.1°C

Warmest 10 in Finland in August

Same data the other way. The warmest spots for the same month.

# Location August mean
1 Imatra 18.8°C
2 lake Saimaa 18.8°C
3 Hamina 18.1°C
4 Kotka 18.1°C
5 Länsi-Turunmaa Southwest Finland 17.9°C
6 Ekenaes 17.8°C
7 Perna 17.8°C
8 Inga 17.7°C
9 Hango Hango 17.7°C
10 Särkisalo Southwest Finland 17.7°C

More on this region