World Resorts Finland Weather

Sea water temperature in Finland in October

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In October warmest sea in Finland is usually observed in the following locations: Kotka, Vantaa, Helsinki.

Table below shows the average sea water temperature for marine resorts of Finland in October for the last three years.

Place name October 2024 October 2023 October 2022
Kotka 54.2°F 52.2°F 49.9°F
Vantaa 53.3°F 51.4°F 49.2°F
Helsinki 53.1°F 51.2°F 49.1°F
Espoo 52.9°F 51.0°F 49.0°F
Porvoo 52.3°F 50.9°F 49.7°F
Turku 52.1°F 53.2°F 50.9°F
Imatra 51.8°F 50.8°F 49.1°F
Lahti 51.7°F 52.4°F 49.5°F
Savolinna 51.6°F 51.9°F 49.8°F
Lappeenranta 51.6°F 50.6°F 48.4°F
Juvaskyla 50.8°F 51.1°F 49.0°F
Koli National Park 50.4°F 50.4°F 48.8°F
Pori 48.9°F 48.6°F 47.2°F
Seinajoki 47.3°F 46.4°F 46.4°F
Vaasa 47.1°F 46.2°F 46.2°F
Saariselka 45.7°F 45.5°F 44.7°F
Oulu 44.4°F 42.3°F 44.2°F
Kemi 44.3°F 44.2°F 45.2°F

Charts below show average sea water temperature for Finland resorts with the warmest sea in October.

You can also check other months of the year to see sea temperature of Finland resorts at that time.

Places in Finland:
Name
°F
+27°F
+34°F
+32°F
+21°F
+36°F
+34°F
+32°F
+25°F
+32°F
+23°F
+32°F
+36°F
+34°F
+32°F
Units of measurement: °C / °F