World Resorts Finland Seinajoki Weather

Seinajoki sea water temperature

Current sea water temperature:
+44.8°F
Minimum sea water temperature in November: 45.1°F
Maximum sea water temperature in November: 32.2°F
Average sea water temperature in November: 38.8°F

Sea water temperature for the last 10 days:

October 28 44.8°F October 23 44.4°F
October 27 44.6°F October 22 44.6°F
October 26 45.1°F October 21 45.0°F
October 25 44.4°F October 20 45.1°F
October 24 45.0°F October 19 46.0°F

When is the warmest sea in Seinajoki?

Based on the data about daily sea water temperature for the last three years the warmest sea in Seinajoki was noticed in August, July and September.

Monthly Sea Temperatures in Seinajoki, °F

Sea water temperature in August, °F

Show year:
2026
2025
2024

The average sea water temperature in August of 2026 was 60.5°F. The highest and lowest sea temperatures during the month were 62.2°F and 58.1°F.

Sea water temperature in July, °F

Show year:
2026
2025
2024

The average sea water temperature in July of 2026 was 64.0°F. The highest and lowest sea temperatures during the month were 67.8°F and 61.3°F.

Sea water temperature in September, °F

Show year:
2026
2025
2024

The average sea water temperature in September of 2026 was 56.8°F. The highest and lowest sea temperatures during the month were 61.0°F and 52.9°F.

Best time for vacation in Seinajoki

Sunniest months:
May 11 days
July 11 days
June 10 days
Warmest months:
July 70.0 °F
August 66.4 °F
June 65.3 °F
Warmest sea temp:
August 61.9 °F
July 61.1 °F
September 55.9 °F
Coldest months:
January 22.1 °F
February 25.2 °F
December 28.0 °F
Rainiest months:
July 5 days
August 5 days
September 3 days
Windiest months:
March 8.4 mph
December 7.9 mph
May 7.7 mph

Seinajoki on a weather map

Seinajoki
+34°F
E 4 mph
Feels like: +30°F
Precip.: 30%
Places in Finland:
Name
°F
+39°F
+34°F
+36°F
+37°F
+36°F
+36°F
+36°F
+37°F
+34°F
+34°F
+34°F
+36°F
+36°F
+36°F
+34°F
24 Hours Forecast
Seinajoki
Local time: 09:05
November 06, friday
1200
37°F
E
4 mph
1500
37°F
NE
4 mph
1800
34°F
NE
4 mph
2100
34°F
NE
4 mph
November 07, saturday
0000
34°F
NE
4 mph
0300
36°F
E
6 mph
0600
36°F
E
6 mph
0900
37°F
E
7 mph
Units of measurement: °C / °F