28.06
sun
sun
Day
68°F
N 7 mph
Precip.
4%
4%
Night
63°F
NE 7 mph
Precip.
55%
55%
29.06
mon
mon
Day
72°F
S 1 mph
Precip.
5%
5%
Night
63°F
E 8 mph
Precip.
10%
10%
30.06
tue
tue
Day
68°F
NE 11 mph
Precip.
5%
5%
Night
61°F
SE 8 mph
Precip.
6%
6%
01.07
wed
wed
Day
68°F
W 6 mph
Precip.
2%
2%
Night
57°F
SE 5 mph
Precip.
42%
42%
02.07
thu
thu
Day
55°F
SW 19 mph
Precip.
80%
80%
Night
55°F
SE 11 mph
Precip.
25%
25%
03.07
fri
fri
Day
66°F
N 5 mph
Precip.
4%
4%
Night
55°F
SW 4 mph
Precip.
25%
25%
04.07
sat
sat
Day
64°F
NW 1 mph
Precip.
26%
26%
Night
59°F
SE 6 mph
Precip.
20%
20%
sea water
temperature
temperature
| Helsinki |
monthly
weather
weather
| Helsinki |
current
weather
weather
| Helsinki |
14 days
forecast
forecast
| Helsinki |
Sea water temperature in June, °F
Show year:
2026
2025
2024
The average sea water temperature in June of 2026 was 55.2°F. The highest and lowest sea temperatures during the month were 59.9°F and 48.7°F.
Sea water temperature in July, °F
Show year:
2025
2024
2023
The average sea water temperature in July of 2025 was 63.2°F. The highest and lowest sea temperatures during the month were 74.5°F and 54.0°F.
Air temperature in Helsinki, °F
Precipitation total in Helsinki, in.
* Charts above show average data for the last 3 years.
Best time for vacation in Helsinki
Helsinki on a weather map
Places in Finland:
Name
°F
24 Hours Forecast
Helsinki
Local time: 07:23
June 28, sunday
0900
64°F
N
5 mph
5 mph
1200
68°F
N
7 mph
7 mph
1500
70°F
N
6 mph
6 mph
1800
70°F
N
7 mph
7 mph
2100
63°F
NE
11 mph
11 mph
June 29, monday
0000
63°F
NE
7 mph
7 mph
0300
63°F
NE
7 mph
7 mph
0600
63°F
E
7 mph
7 mph
