05.04
sun
sun
Day
36°F
NE 7 mph
Precip.
0%
0%
Night
34°F
NW 12 mph
Precip.
100%
100%
06.04
mon
mon
Day
36°F
W 7 mph
Precip.
100%
100%
Night
34°F
S 8 mph
Precip.
84%
84%
07.04
tue
tue
Day
37°F
S 9 mph
Precip.
83%
83%
Night
36°F
S 9 mph
Precip.
0%
0%
08.04
wed
wed
Day
37°F
SW 9 mph
Precip.
0%
0%
Night
30°F
NW 4 mph
Precip.
0%
0%
09.04
thu
thu
Day
41°F
NE 10 mph
Precip.
0%
0%
Night
34°F
N 11 mph
Precip.
0%
0%
10.04
fri
fri
Day
36°F
N 12 mph
Precip.
100%
100%
Night
34°F
NE 6 mph
Precip.
0%
0%
11.04
sat
sat
Day
48°F
NE 5 mph
Precip.
0%
0%
Night
43°F
N 11 mph
Precip.
0%
0%
12.04
sun
sun
Day
54°F
NE 17 mph
Precip.
0%
0%
Night
48°F
NE 14 mph
Precip.
0%
0%
13.04
mon
mon
Day
52°F
NE 7 mph
Precip.
0%
0%
Night
43°F
NE 11 mph
Precip.
0%
0%
14.04
tue
tue
Day
50°F
NE 12 mph
Precip.
0%
0%
Night
39°F
E 6 mph
Precip.
0%
0%
15.04
wed
wed
Day
43°F
SE 9 mph
Precip.
0%
0%
Night
32°F
S 7 mph
Precip.
0%
0%
16.04
thu
thu
Day
41°F
SW 4 mph
Precip.
0%
0%
Night
30°F
E 2 mph
Precip.
0%
0%
17.04
fri
fri
Day
46°F
NE 7 mph
Precip.
0%
0%
Night
34°F
NE 4 mph
Precip.
0%
0%
18.04
sat
sat
Day
50°F
NE 5 mph
Precip.
0%
0%
Night
46°F
E 4 mph
Precip.
0%
0%
sea water
temperature
temperature
| Seinajoki |
monthly
weather
weather
| Seinajoki |
current
weather
weather
| Seinajoki |
7 days
forecast
forecast
| Seinajoki |
Sea water temperature in April, °F
Show year:
2025
2024
2023
The average sea water temperature in April of 2025 was 35.8°F. The highest and lowest sea temperatures during the month were 40.6°F and 30.4°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: 23:41
April 06, monday
0000
34°F
NW
12 mph
12 mph
0300
36°F
NW
9 mph
9 mph
0600
36°F
NW
8 mph
8 mph
0900
36°F
W
7 mph
7 mph
1200
36°F
W
7 mph
7 mph
1500
37°F
SW
6 mph
6 mph
1800
37°F
S
7 mph
7 mph
2100
37°F
S
8 mph
8 mph
