16.03
mon
mon
Day

39°F
N 9 mph
Precip.
0%
0%
Night

36°F
N 7 mph
Precip.
0%
0%
17.03
tue
tue
Day

36°F
N 8 mph
Precip.
63%
63%
Night

34°F
N 11 mph
Precip.
0%
0%
18.03
wed
wed
Day

39°F
NE 12 mph
Precip.
0%
0%
Night

37°F
NE 6 mph
Precip.
0%
0%
19.03
thu
thu
Day

43°F
E 10 mph
Precip.
0%
0%
Night

34°F
SE 9 mph
Precip.
87%
87%
20.03
fri
fri
Day

41°F
E 6 mph
Precip.
0%
0%
Night

32°F
NE 4 mph
Precip.
0%
0%
21.03
sat
sat
Day

41°F
NE 8 mph
Precip.
0%
0%
Night

32°F
NE 5 mph
Precip.
0%
0%
22.03
sun
sun
Day

45°F
NE 7 mph
Precip.
0%
0%
Night

32°F
NE 6 mph
Precip.
0%
0%
23.03
mon
mon
Day

43°F
NE 9 mph
Precip.
0%
0%
Night

34°F
NE 6 mph
Precip.
0%
0%
24.03
tue
tue
Day

45°F
NE 9 mph
Precip.
0%
0%
Night

34°F
N 6 mph
Precip.
0%
0%
25.03
wed
wed
Day

45°F
NE 8 mph
Precip.
0%
0%
Night

37°F
N 6 mph
Precip.
0%
0%
26.03
thu
thu
Day

43°F
N 7 mph
Precip.
49%
49%
Night

39°F
E 4 mph
Precip.
100%
100%
27.03
fri
fri
Day

32°F
SE 11 mph
Precip.
61%
61%
Night

28°F
S 8 mph
Precip.
67%
67%
28.03
sat
sat
Day

32°F
SW 11 mph
Precip.
49%
49%
Night

25°F
SW 5 mph
Precip.
0%
0%
29.03
sun
sun
Day

32°F
W 6 mph
Precip.
0%
0%
Night

28°F
NW 5 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 March, °F
Show year:
2026
2025
2024
The average sea water temperature in March of 2026 was 31.8°F. The highest and lowest sea temperatures during the month were 35.2°F and 29.3°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: 11:28
March 16, monday
1200

39°F
N
9 mph
9 mph
1500

43°F
N
8 mph
8 mph
1800

37°F
N
8 mph
8 mph
2100

34°F
N
9 mph
9 mph
March 17, tuesday
0000

36°F
N
7 mph
7 mph
0300

34°F
N
7 mph
7 mph
0600

34°F
N
7 mph
7 mph
0900

36°F
N
7 mph
7 mph




























