World Resorts Finland Seinajoki Weather

Seinajoki Sea Temperature in August

Average sea water temperature in August:
+62.0°F
Minimum sea water temperature in August: 71.2°F
Maximum sea water temperature in August: 46.6°F

Daily sea water temperature in August, °F

Show year:
2025
2024
2023

The average sea water temperature in August of 2025 was 63.4°F. The highest and lowest sea temperatures during the month were 71.2°F and 58.5°F.

Monthly sea water temperature in Seinajoki, °F

Which Finland resorts have warmest sea in August?

Place name August 2025 August 2024
Lappeenranta 67.9°F 68.4°F
Juvaskyla 67.7°F 67.3°F
Savolinna 67.4°F 68.2°F
Lahti 67.2°F 67.4°F
Imatra 67.2°F 67.6°F
Koli National Park 66.6°F 66.2°F
Turku 66.0°F 65.2°F
Kemi 65.6°F 64.5°F
Kotka 65.4°F 67.4°F
Pori 65.2°F 66.0°F
Oulu 65.1°F 63.3°F
Porvoo 64.7°F 65.5°F
Vaasa 64.5°F 64.6°F
Espoo 63.9°F 65.0°F
Helsinki 63.8°F 65.3°F
Vantaa 63.6°F 65.3°F
Seinajoki 63.4°F 63.7°F
Saariselka 62.4°F 60.2°F

Best time for vacation in Seinajoki

Sunniest months:
May 11 days
July 11 days
June 10 days
Warmest months:
July 70.3 °F
August 66.5 °F
June 65.3 °F
Warmest sea temp:
August 62.0 °F
July 60.9 °F
September 55.8 °F
Coldest months:
January 22.4 °F
February 25.6 °F
December 27.6 °F
Rainiest months:
August 6 days
July 5 days
June 4 days
Windiest months:
March 8.4 mph
December 7.9 mph
February 7.9 mph

Seinajoki on a weather map

Seinajoki
+37°F
N 5 mph
Feels like: +34°F
Precip.: 0%
Places in Finland:
Name
°F
+39°F
+39°F
+32°F
+39°F
+37°F
+37°F
+36°F
+39°F
+18°F
+36°F
+41°F
+39°F
+39°F
+36°F
24 Hours Forecast
Seinajoki
Local time: 09:32
December 05, friday
1200
39°F
N
4 mph
1500
37°F
NW
2 mph
1800
39°F
NW
2 mph
2100
39°F
N
3 mph
December 06, saturday
0000
39°F
N
4 mph
0300
37°F
W
4 mph
0600
37°F
W
6 mph
0900
37°F
W
7 mph
Units of measurement: °C / °F