Measurements:
°C
°F
Seinajoki
44°F
N 11 mph
Feels like: 38°F
Precip: 100%
World Resorts Finland Seinajoki Weather

7 Day Weather Forecast

03.30
mon
DAY
42°F
N 10 mph
precip
0%
NIGHT
34°F
NW 5 mph
precip
0%
03.31
tue
DAY
38°F
NW 5 mph
precip
0%
NIGHT
32°F
SE 4 mph
precip
0%
04.01
wed
DAY
40°F
NE 9 mph
precip
0%
NIGHT
38°F
N 10 mph
precip
0%
04.02
thu
DAY
38°F
N 9 mph
precip
0%
NIGHT
40°F
N 6 mph
precip
69%
04.03
fri
DAY
34°F
NE 6 mph
precip
100%
NIGHT
24°F
SE 3 mph
precip
0%
04.04
sat
DAY
36°F
NW 10 mph
precip
0%
NIGHT
34°F
N 9 mph
precip
87%
04.05
sun
DAY
38°F
N 12 mph
precip
83%
NIGHT
36°F
NW 11 mph
precip
64%

Seinajoki Sea Water Temperature in March, °F

Select Year: 2026 2025 2024

The average sea surface temperature in March 2026 for Seinajoki was 0.3°F. The maximum and minimum values were -1.5°F and 1.8°F respectively.

Seinajoki on the Weather Map

Best Time to Visit Seinajoki
The most sunny months:
May 11 days
July 11 days
June 10 days
The most warm months:
July 72.5 °F
August 68.4 °F
June 66.9 °F
Warmest sea temperature:
August 63.3 °F
July 62.1 °F
September 56.4 °F
The most cold months:
January 19.0 °F
February 22.4 °F
December 25.6 °F
The most rainy months:
August 6 days
July 5 days
June 4 days
The most windy months:
March 8 mph
December 7 mph
May 7 mph