Measurements:
°C
°F
CURRENT WEATHER
14:04
Seinajoki
72°F
SE 9 mph
Feels like: 72°F
Precip: 1%
World Resorts Finland Seinajoki Weather

7 Day Weather Forecast

06.21
sun
DAY
70°F
SE 8 mph
precip
2%
NIGHT
50°F
E 4 mph
precip
9%
06.22
mon
DAY
62°F
E 12 mph
precip
5%
NIGHT
50°F
E 8 mph
precip
6%
06.23
tue
DAY
62°F
E 8 mph
precip
2%
NIGHT
52°F
NE 4 mph
precip
17%
06.24
wed
DAY
52°F
N 7 mph
precip
75%
NIGHT
48°F
E 3 mph
precip
24%
06.25
thu
DAY
62°F
SE 9 mph
precip
13%
NIGHT
48°F
SE 4 mph
precip
13%
06.26
fri
DAY
66°F
S 7 mph
precip
11%
NIGHT
54°F
NE 4 mph
precip
10%
06.27
sat
DAY
70°F
E 7 mph
precip
1%
NIGHT
60°F
N 2 mph
precip
13%

Seinajoki Sea Water Temperature in June, °F

Select Year: 2026 2025 2024

The average sea surface temperature in June 2026 for Seinajoki was 13.7°F. The maximum and minimum values were 12.5°F and 15.9°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 72.5 °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
more details