World Resorts Finland Seinajoki Weather

Seinajoki 7 Days Forecast

05.04
sun
Day
36°F
NE 7 mph
Precip.
0%
Night
34°F
NW 12 mph
Precip.
100%
06.04
mon
Day
36°F
W 7 mph
Precip.
100%
Night
34°F
S 8 mph
Precip.
84%
07.04
tue
Day
37°F
S 9 mph
Precip.
83%
Night
36°F
S 9 mph
Precip.
0%
08.04
wed
Day
37°F
SW 9 mph
Precip.
0%
Night
30°F
NW 4 mph
Precip.
0%
09.04
thu
Day
41°F
NE 10 mph
Precip.
0%
Night
34°F
N 11 mph
Precip.
0%
10.04
fri
Day
36°F
N 12 mph
Precip.
100%
Night
34°F
NE 6 mph
Precip.
0%
11.04
sat
Day
48°F
NE 5 mph
Precip.
0%
Night
43°F
N 11 mph
Precip.
0%

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

Sunniest months:
May 11 days
July 11 days
June 10 days
Warmest months:
July 70.3 °F
August 66.5 °F
June 65.3 °F
Warmest sea temp:
August 62.0 °F
July 60.9 °F
September 55.8 °F
Coldest months:
January 22.1 °F
February 25.2 °F
December 28.0 °F
Rainiest months:
August 6 days
July 5 days
June 4 days
Windiest months:
March 8.4 mph
December 7.9 mph
May 7.8 mph

Seinajoki on a weather map

Seinajoki
+34°F
NW 12 mph
Feels like: +25°F
Precip.: 100%
Places in Finland:
Name
°F
+39°F
+36°F
+34°F
+34°F
+36°F
+36°F
+37°F
+37°F
+39°F
+32°F
+34°F
+37°F
+39°F
+39°F
+34°F
24 Hours Forecast
Seinajoki
Local time: 23:47
April 06, monday
0000
34°F
NW
12 mph
0300
36°F
NW
9 mph
0600
36°F
NW
8 mph
0900
36°F
W
7 mph
1200
36°F
W
7 mph
1500
37°F
SW
6 mph
1800
37°F
S
7 mph
2100
37°F
S
8 mph
Units of measurement: °C / °F