07.08
fri
fri
Day
66°F
E 16 mph
Precip.
21%
21%
Night
55°F
E 11 mph
Precip.
6%
6%
08.08
sat
sat
Day
66°F
E 8 mph
Precip.
2%
2%
Night
54°F
E 9 mph
Precip.
7%
7%
09.08
sun
sun
Day
66°F
NE 17 mph
Precip.
6%
6%
Night
63°F
NE 16 mph
Precip.
10%
10%
10.08
mon
mon
Day
66°F
NE 17 mph
Precip.
19%
19%
Night
55°F
SE 8 mph
Precip.
14%
14%
11.08
tue
tue
Day
64°F
E 11 mph
Precip.
10%
10%
Night
54°F
SE 12 mph
Precip.
6%
6%
12.08
wed
wed
Day
63°F
SE 12 mph
Precip.
5%
5%
Night
55°F
E 9 mph
Precip.
23%
23%
13.08
thu
thu
Day
66°F
NE 14 mph
Precip.
5%
5%
Night
61°F
NE 9 mph
Precip.
14%
14%
sea water
temperature
temperature
| Helsinki |
monthly
weather
weather
| Helsinki |
current
weather
weather
| Helsinki |
14 days
forecast
forecast
| Helsinki |
Sea water temperature in August, °F
Show year:
2025
2024
2023
The average sea water temperature in August of 2025 was 63.8°F. The highest and lowest sea temperatures during the month were 73.9°F and 56.5°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: 12:35
August 07, friday
1500
66°F
E
15 mph
15 mph
1800
66°F
E
12 mph
12 mph
2100
59°F
SE
14 mph
14 mph
August 08, saturday
0000
55°F
E
11 mph
11 mph
0300
54°F
E
11 mph
11 mph
0600
54°F
E
9 mph
9 mph
0900
61°F
E
7 mph
7 mph
1200
66°F
E
8 mph
8 mph
