World Resorts Finland Seinajoki Weather

Seinajoki 14 Days Forecast

30.03
sun
Day
43°F
NE 7 mph
Precip.
0%
Night
34°F
SW 6 mph
Precip.
0%
31.03
mon
Day
39°F
S 6 mph
Precip.
0%
Night
34°F
NE 6 mph
Precip.
0%
01.04
tue
Day
41°F
E 11 mph
Precip.
0%
Night
39°F
E 8 mph
Precip.
0%
02.04
wed
Day
45°F
E 11 mph
Precip.
0%
Night
41°F
E 11 mph
Precip.
0%
03.04
thu
Day
39°F
E 9 mph
Precip.
0%
Night
36°F
SE 17 mph
Precip.
0%
04.04
fri
Day
37°F
SE 12 mph
Precip.
0%
Night
37°F
E 15 mph
Precip.
0%
05.04
sat
Day
43°F
NE 10 mph
Precip.
0%
Night
37°F
NE 9 mph
Precip.
0%
06.04
sun
Day
41°F
NE 10 mph
Precip.
0%
Night
39°F
NE 14 mph
Precip.
0%
07.04
mon
Day
39°F
E 21 mph
Precip.
0%
Night
32°F
SE 16 mph
Precip.
0%
08.04
tue
Day
34°F
SE 13 mph
Precip.
0%
Night
28°F
SE 6 mph
Precip.
59%
09.04
wed
Day
32°F
NE 11 mph
Precip.
0%
Night
27°F
N 5 mph
Precip.
0%
10.04
thu
Day
36°F
N 10 mph
Precip.
100%
Night
30°F
NE 10 mph
Precip.
64%
11.04
fri
Day
37°F
N 4 mph
Precip.
0%
Night
37°F
NW 16 mph
Precip.
100%
12.04
sat
Day
46°F
N 16 mph
Precip.
100%
Night
39°F
N 24 mph
Precip.
0%

Sea water temperature in March, °F

Show year:
2025
2024
2023
1
3
5
7
9
11
13
15
17
19
21
23
25
27
29
31
25
27
29
31
33
35
37
39

The average sea water temperature in March of 2025 was 31.8°F. The highest and lowest sea temperatures during the month were 34.0°F and 30.2°F.

Sea water temperature in April, °F

Show year:
2024
2023
2022
1
3
5
7
9
11
13
15
17
19
21
23
25
27
29
31
25
28
31
34
37
40

The average sea water temperature in April of 2024 was 31.0°F. The highest and lowest sea temperatures during the month were 33.8°F and 29.3°F.

Air temperature in Seinajoki, °F

jan
feb
mar
apr
may
jun
jul
aug
sep
oct
nov
dec
0
11
22
33
44
55
66
77
88
26.9
34.3
44.1
57.0
66.3
69.0
66.4
56.9
42.6
33.1
27.0
23.4
25.8
32.4
38.7
47.2
54.1
55.8
52.6
42.8
31.6
25.8
22.1
22.1
Day temperature   
Night temperature

Precipitation total in Seinajoki, in.

jan
feb
mar
apr
may
jun
jul
aug
sep
oct
nov
dec
0.0
0.5
1.0
1.6
2.1
2.6
3.1
3.7
4.2
1.5
1.9
1.9
2.1
3
2.4
1.9
1.5
1.5
1
1.3
1.5
* Charts above show average data for the last 3 years.

Best time for vacation in Seinajoki

Sunniest months:
July 11 days
May 11 days
June 11 days
Warmest months:
July 69.8 °F
August 66.7 °F
June 65.7 °F
Warmest sea temp:
August 61.9 °F
July 60.6 °F
September 55.7 °F
Coldest months:
January 22.4 °F
February 25.6 °F
December 27.6 °F
Rainiest months:
July 6 days
August 6 days
September 4 days
Windiest months:
March 8.4 mph
December 7.9 mph
February 7.9 mph

Seinajoki on a weather map

Leaflet | Tiles © Esri
Places in Finland:
Name
°F
+34°F
+39°F
+36°F
+27°F
+37°F
+37°F
+39°F
+30°F
+39°F
+28°F
+37°F
+37°F
+39°F
+37°F
24 Hours Forecast
Seinajoki
Local time: 03:44
March 30, sunday
0600
34°F
N
7 mph
0900
39°F
N
7 mph
1200
43°F
NE
7 mph
1500
43°F
NE
6 mph
1800
37°F
E
4 mph
2100
36°F
SW
4 mph
March 31, monday
0000
34°F
SW
6 mph
0300
34°F
S
7 mph
Units of measurement: °C / °F