21.06
sun
sun
Day

70°F
NE 12 mph
Precip.
7%
7%
Night

59°F
SE 8 mph
Precip.
8%
8%
22.06
mon
mon
Day

63°F
S 9 mph
Precip.
4%
4%
Night

54°F
SE 9 mph
Precip.
6%
6%
23.06
tue
tue
Day

64°F
SE 10 mph
Precip.
4%
4%
Night

57°F
E 6 mph
Precip.
14%
14%
24.06
wed
wed
Day

54°F
N 11 mph
Precip.
39%
39%
Night

55°F
SE 5 mph
Precip.
19%
19%
25.06
thu
thu
Day

63°F
SE 7 mph
Precip.
36%
36%
Night

55°F
SE 11 mph
Precip.
4%
4%
26.06
fri
fri
Day

64°F
SE 6 mph
Precip.
2%
2%
Night

57°F
SE 9 mph
Precip.
8%
8%
27.06
sat
sat
Day

64°F
NE 7 mph
Precip.
7%
7%
Night

57°F
NE 5 mph
Precip.
13%
13%
28.06
sun
sun
Day

68°F
NE 9 mph
Precip.
5%
5%
Night

61°F
NE 8 mph
Precip.
16%
16%
29.06
mon
mon
Day

72°F
NE 13 mph
Precip.
4%
4%
Night

63°F
E 12 mph
Precip.
6%
6%
30.06
tue
tue
Day

70°F
SE 9 mph
Precip.
2%
2%
Night

63°F
S 6 mph
Precip.
5%
5%
01.07
wed
wed
Day

68°F
N 6 mph
Precip.
3%
3%
Night

59°F
NE 5 mph
Precip.
7%
7%
02.07
thu
thu
Day

70°F
N 7 mph
Precip.
3%
3%
Night

63°F
NW 7 mph
Precip.
8%
8%
03.07
fri
fri
Day

73°F
N 10 mph
Precip.
3%
3%
Night

68°F
N 6 mph
Precip.
5%
5%
04.07
sat
sat
Day

73°F
N 7 mph
Precip.
5%
5%
Night

70°F
NE 4 mph
Precip.
9%
9%
sea water
temperature
temperature
| Helsinki |
monthly
weather
weather
| Helsinki |
current
weather
weather
| Helsinki |
7 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 54.2°F. The highest and lowest sea temperatures during the month were 57.9°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: 11:20
June 21, sunday
1200

70°F
NE
12 mph
12 mph
1500

72°F
NE
14 mph
14 mph
1800

70°F
NE
14 mph
14 mph
2100

66°F
E
11 mph
11 mph
June 22, monday
0000

59°F
SE
8 mph
8 mph
0300

55°F
SE
8 mph
8 mph
0600

55°F
S
9 mph
9 mph
0900

61°F
S
9 mph
9 mph






























