World Resorts Finland Seinajoki Weather

Seinajoki 7 Days Forecast

07.08
fri
Day
55°F
E 11 mph
Precip.
30%
Night
54°F
E 8 mph
Precip.
16%
08.08
sat
Day
61°F
E 9 mph
Precip.
13%
Night
48°F
NE 6 mph
Precip.
14%
09.08
sun
Day
68°F
NE 12 mph
Precip.
9%
Night
61°F
NE 10 mph
Precip.
9%
10.08
mon
Day
61°F
NE 11 mph
Precip.
52%
Night
50°F
E 7 mph
Precip.
14%
11.08
tue
Day
59°F
SE 9 mph
Precip.
18%
Night
50°F
E 8 mph
Precip.
21%
12.08
wed
Day
59°F
E 12 mph
Precip.
5%
Night
48°F
NE 5 mph
Precip.
15%
13.08
thu
Day
55°F
N 4 mph
Precip.
14%
Night
57°F
NE 4 mph
Precip.
34%

Sea water temperature in August, °F

Show year:
2025
2024
2023

The average sea water temperature in August of 2025 was 63.4°F. The highest and lowest sea temperatures during the month were 71.2°F and 58.5°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 66.5 °F
June 65.3 °F
Warmest sea temp:
August 62.0 °F
July 61.1 °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
September 3 days
Windiest months:
March 8.4 mph
December 7.9 mph
May 7.7 mph

Seinajoki on a weather map

Current weather
12:57
Seinajoki
+55°F
E 11 mph
Feels like: +52°F
Precip.: 30%
Places in Finland:
Name
°F
Vaasa
+55°F
Vantaa
+68°F
Kemi
+55°F
Kotka
+64°F
Lappeenranta
+70°F
Lahti
+64°F
Oulu
+57°F
Pori
+61°F
Saariselka
+59°F
Savolinna
+68°F
Seinajoki
+55°F
Turku
+64°F
Helsinki
+66°F
Espoo
+66°F
Juvaskyla
+59°F
all places
24 Hours Forecast
Seinajoki
Local time: 12:57
August 07, friday
1500
59°F
E
11 mph
1800
57°F
E
9 mph
2100
55°F
E
9 mph
August 08, saturday
0000
54°F
E
8 mph
0300
52°F
E
7 mph
0600
50°F
E
7 mph
0900
55°F
E
9 mph
1200
61°F
E
9 mph
Units of measurement: °C / °F