28.06
sun
sun
Day
66°F
N 9 mph
Precip.
60%
60%
Night
55°F
SE 4 mph
Precip.
42%
42%
29.06
mon
mon
Day
75°F
S 2 mph
Precip.
1%
1%
Night
61°F
E 3 mph
Precip.
14%
14%
30.06
tue
tue
Day
68°F
SE 9 mph
Precip.
1%
1%
Night
54°F
E 6 mph
Precip.
11%
11%
01.07
wed
wed
Day
68°F
SE 6 mph
Precip.
7%
7%
Night
55°F
S 4 mph
Precip.
8%
8%
02.07
thu
thu
Day
68°F
S 5 mph
Precip.
10%
10%
Night
54°F
S 1 mph
Precip.
17%
17%
03.07
fri
fri
Day
66°F
SW 2 mph
Precip.
37%
37%
Night
57°F
SW 4 mph
Precip.
35%
35%
04.07
sat
sat
Day
64°F
N 7 mph
Precip.
36%
36%
Night
54°F
NE 2 mph
Precip.
15%
15%
sea water
temperature
temperature
| Seinajoki |
monthly
weather
weather
| Seinajoki |
current
weather
weather
| Seinajoki |
14 days
forecast
forecast
| Seinajoki |
Sea water temperature in June, °F
Show year:
2026
2025
2024
The average sea water temperature in June of 2026 was 57.4°F. The highest and lowest sea temperatures during the month were 60.6°F and 54.5°F.
Sea water temperature in July, °F
Show year:
2025
2024
2023
The average sea water temperature in July of 2025 was 65.1°F. The highest and lowest sea temperatures during the month were 74.1°F and 56.7°F.
Air temperature in Seinajoki, °F
Precipitation total in Seinajoki, in.
* Charts above show average data for the last 3 years.
Best time for vacation in Seinajoki
Seinajoki on a weather map
Places in Finland:
Name
°F
24 Hours Forecast
Seinajoki
Local time: 04:08
June 28, sunday
0600
55°F
NW
6 mph
6 mph
0900
55°F
NW
8 mph
8 mph
1200
66°F
N
9 mph
9 mph
1500
79°F
NE
10 mph
10 mph
1800
73°F
NE
11 mph
11 mph
2100
64°F
E
8 mph
8 mph
June 29, monday
0000
55°F
SE
4 mph
4 mph
0300
54°F
SE
4 mph
4 mph
