Measurements:
°C
°F
Seinajoki
80°F
NE 12 mph
Feels like: 82°F
Precip: 6%
World Resorts Finland Seinajoki Weather

7 Day Weather Forecast

07.30
thu
DAY
78°F
N 11 mph
precip
11%
NIGHT
68°F
N 10 mph
precip
29%
07.31
fri
DAY
76°F
N 12 mph
precip
45%
NIGHT
58°F
N 7 mph
precip
6%
08.01
sat
DAY
74°F
NE 7 mph
precip
36%
NIGHT
52°F
N 5 mph
precip
12%
08.02
sun
DAY
70°F
NE 12 mph
precip
2%
NIGHT
54°F
N 8 mph
precip
10%
08.03
mon
DAY
66°F
E 12 mph
precip
4%
NIGHT
50°F
NE 6 mph
precip
13%
08.04
tue
DAY
68°F
E 6 mph
precip
2%
NIGHT
48°F
E 3 mph
precip
16%
08.05
wed
DAY
66°F
SE 7 mph
precip
2%
NIGHT
48°F
SE 4 mph
precip
17%

Seinajoki Sea Water Temperature in July, °F

Select Year: 2026 2025 2024

The average sea surface temperature in July 2026 for Seinajoki was 17.8°F. The maximum and minimum values were 16.3°F and 19.9°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 72.2 °F
August 68.4 °F
June 67.0 °F
Warmest sea temperature:
August 63.3 °F
July 62.3 °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
September 3 days
The most windy months:
March 8 mph
December 7 mph
May 7 mph