Current sea water temperature:
+46.6°F
| Minimum sea water temperature in October: | 55.4°F |
| Maximum sea water temperature in October: | 37.6°F |
| Average sea water temperature in October: | 45.9°F |
| more information | |
14 days
forecast
forecast
| Seinajoki |
monthly
weather
weather
| Seinajoki |
Sea water temperature for the last 10 days:
| October 16 | 46.6°F | October 11 | 49.3°F |
| October 15 | 47.5°F | October 10 | 49.5°F |
| October 14 | 47.8°F | October 9 | 50.0°F |
| October 13 | 48.2°F | October 8 | 51.1°F |
| October 12 | 48.4°F | October 7 | 51.6°F |
Monthly sea water temperature, °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.
current
weather
weather
| Seinajoki |
weather in
October
October
| Seinajoki |
Best time for vacation in Seinajoki
Seinajoki on a weather map
Places in Finland:
Name
°F
24 Hours Forecast
Seinajoki
Local time: 04:05
October 17, saturday
0600
45°F
SE
6 mph
6 mph
0900
41°F
SE
6 mph
6 mph
1200
45°F
SE
7 mph
7 mph
1500
45°F
SE
7 mph
7 mph
1800
39°F
SE
4 mph
4 mph
2100
37°F
SE
4 mph
4 mph
October 18, sunday
0000
36°F
E
4 mph
4 mph
0300
36°F
E
4 mph
4 mph
