07.08
fri
fri
Day
55°F
E 11 mph
Precip.
30%
30%
Night
54°F
E 8 mph
Precip.
16%
16%
08.08
sat
sat
Day
61°F
E 9 mph
Precip.
13%
13%
Night
48°F
NE 6 mph
Precip.
14%
14%
09.08
sun
sun
Day
68°F
NE 12 mph
Precip.
9%
9%
Night
61°F
NE 10 mph
Precip.
9%
9%
10.08
mon
mon
Day
61°F
NE 11 mph
Precip.
52%
52%
Night
50°F
E 7 mph
Precip.
14%
14%
11.08
tue
tue
Day
59°F
SE 9 mph
Precip.
18%
18%
Night
50°F
E 8 mph
Precip.
21%
21%
12.08
wed
wed
Day
59°F
E 12 mph
Precip.
5%
5%
Night
48°F
NE 5 mph
Precip.
15%
15%
13.08
thu
thu
Day
55°F
N 4 mph
Precip.
14%
14%
Night
57°F
NE 4 mph
Precip.
34%
34%
14.08
fri
fri
Day
68°F
E 7 mph
Precip.
12%
12%
Night
55°F
E 4 mph
Precip.
34%
34%
15.08
sat
sat
Day
66°F
E 9 mph
Precip.
10%
10%
Night
52°F
E 5 mph
Precip.
17%
17%
16.08
sun
sun
Day
59°F
S 9 mph
Precip.
2%
2%
Night
46°F
SE 2 mph
Precip.
9%
9%
17.08
mon
mon
Day
63°F
E 4 mph
Precip.
2%
2%
Night
50°F
W 5 mph
Precip.
13%
13%
18.08
tue
tue
Day
52°F
W 7 mph
Precip.
85%
85%
Night
50°F
W 12 mph
Precip.
83%
83%
19.08
wed
wed
Day
50°F
W 12 mph
Precip.
79%
79%
Night
54°F
N 11 mph
Precip.
64%
64%
20.08
thu
thu
Day
55°F
SE 9 mph
Precip.
46%
46%
Night
48°F
E 6 mph
Precip.
32%
32%
sea water
temperature
temperature
| Seinajoki |
monthly
weather
weather
| Seinajoki |
current
weather
weather
| Seinajoki |
7 days
forecast
forecast
| Seinajoki |
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.
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: 12:14
August 07, friday
1500
59°F
E
11 mph
11 mph
1800
57°F
E
9 mph
9 mph
2100
55°F
E
9 mph
9 mph
August 08, saturday
0000
54°F
E
8 mph
8 mph
0300
52°F
E
7 mph
7 mph
0600
50°F
E
7 mph
7 mph
0900
55°F
E
9 mph
9 mph
1200
61°F
E
9 mph
9 mph
