World Resorts Finland Seinajoki Weather

Seinajoki Sea Temperature in June

Average sea water temperature in June:
+52.2°F
Minimum sea water temperature in June: 68.5°F
Maximum sea water temperature in June: 36.5°F

Daily sea water temperature in June, °F

Show year:
2025
2024
2023

The average sea water temperature in June of 2025 was 53.7°F. The highest and lowest sea temperatures during the month were 58.3°F and 47.1°F.

Monthly sea water temperature in Seinajoki, °F

Which Finland resorts have warmest sea in June?

Place name June 2025 June 2024
Lappeenranta 58.1°F 65.3°F
Lahti 57.4°F 64.9°F
Pori 57.4°F 61.5°F
Oulu 56.6°F 62.0°F
Porvoo 56.6°F 62.4°F
Savolinna 56.6°F 63.0°F
Imatra 56.2°F 62.6°F
Vaasa 56.2°F 60.5°F
Kotka 55.3°F 61.1°F
Turku 55.2°F 63.2°F
Juvaskyla 55.0°F 62.2°F
Koli National Park 54.7°F 61.5°F
Kemi 54.0°F 53.7°F
Helsinki 53.9°F 59.0°F
Seinajoki 53.7°F 57.6°F
Espoo 53.5°F 59.2°F
Vantaa 53.4°F 58.4°F
Saariselka 45.4°F 45.7°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 22.1 °F
February 25.2 °F
December 28.0 °F
Rainiest months:
August 6 days
July 5 days
June 4 days
Windiest months:
March 8.4 mph
December 7.9 mph
May 7.8 mph

Seinajoki on a weather map

Seinajoki
+52°F
NE 8 mph
Feels like: +50°F
Precip.: 0%
Places in Finland:
Name
°F
+48°F
+50°F
+48°F
+43°F
+46°F
+52°F
+45°F
+46°F
+50°F
+46°F
+46°F
+48°F
+50°F
+54°F
24 Hours Forecast
Seinajoki
Local time: 22:13
May 18, monday
0000
45°F
N
6 mph
0300
43°F
N
6 mph
0600
43°F
N
5 mph
0900
55°F
NE
6 mph
1200
61°F
NE
5 mph
1500
66°F
NE
3 mph
1800
64°F
W
2 mph
2100
57°F
S
4 mph
Units of measurement: °C / °F