World Resorts Finland Seinajoki Weather

Seinajoki 7 Days Forecast

06.10
tue
Day
52°F
E 17 mph
Precip.
20%
Night
48°F
E 13 mph
Precip.
9%
07.10
wed
Day
50°F
E 11 mph
Precip.
13%
Night
39°F
NE 5 mph
Precip.
30%
08.10
thu
Day
46°F
N 4 mph
Precip.
22%
Night
41°F
SW 12 mph
Precip.
88%
09.10
fri
Day
41°F
S 12 mph
Precip.
83%
Night
34°F
S 8 mph
Precip.
69%
10.10
sat
Day
37°F
S 6 mph
Precip.
38%
Night
37°F
S 2 mph
Precip.
43%
11.10
sun
Day
37°F
SW 6 mph
Precip.
12%
Night
34°F
SW 3 mph
Precip.
30%
12.10
mon
Day
36°F
SW 4 mph
Precip.
17%
Night
28°F
W 4 mph
Precip.
24%

Sea water temperature in October, °F

Show year:
2025
2024
2023

The average sea water temperature in October of 2025 was 46.0°F. The highest and lowest sea temperatures during the month were 52.2°F and 41.7°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 70.0 °F
August 66.4 °F
June 65.3 °F
Warmest sea temp:
August 61.9 °F
July 61.1 °F
September 55.9 °F
Coldest months:
January 22.1 °F
February 25.2 °F
December 28.0 °F
Rainiest months:
July 5 days
August 5 days
September 3 days
Windiest months:
March 8.4 mph
December 7.9 mph
May 7.7 mph

Seinajoki on a weather map

Current weather
22:16
Seinajoki
+50°F
E 15 mph
Feels like: +45°F
Precip.: 14%
Places in Finland:
Name
°F
Vaasa
+52°F
Imatra
+50°F
Kemi
+50°F
Kotka
+54°F
Lappeenranta
+50°F
Lahti
+50°F
Oulu
+50°F
Pori
+52°F
Saariselka
+45°F
Savolinna
+50°F
Seinajoki
+50°F
Turku
+54°F
Helsinki
+52°F
Espoo
+52°F
Juvaskyla
+50°F
all places
24 Hours Forecast
Seinajoki
Local time: 22:16
October 07, wednesday
0000
48°F
E
13 mph
0300
46°F
E
11 mph
0600
46°F
E
11 mph
0900
45°F
E
9 mph
1200
50°F
E
11 mph
1500
52°F
E
9 mph
1800
46°F
E
8 mph
2100
43°F
NE
6 mph
Units of measurement: °C / °F