02.08
sun
sun
Day
66°F
NE 16 mph
Precip.
3%
3%
Night
59°F
NE 12 mph
Precip.
11%
11%
03.08
mon
mon
Day
66°F
NE 17 mph
Precip.
3%
3%
Night
57°F
E 9 mph
Precip.
11%
11%
04.08
tue
tue
Day
66°F
N 8 mph
Precip.
6%
6%
Night
59°F
NE 7 mph
Precip.
18%
18%
05.08
wed
wed
Day
66°F
NE 10 mph
Precip.
8%
8%
Night
61°F
SE 8 mph
Precip.
36%
36%
06.08
thu
thu
Day
66°F
SW 4 mph
Precip.
2%
2%
Night
61°F
NW 7 mph
Precip.
8%
8%
07.08
fri
fri
Day
61°F
N 5 mph
Precip.
66%
66%
Night
59°F
E 7 mph
Precip.
14%
14%
08.08
sat
sat
Day
68°F
N 2 mph
Precip.
23%
23%
Night
59°F
S 5 mph
Precip.
38%
38%
09.08
sun
sun
Day
64°F
SW 7 mph
Precip.
36%
36%
Night
55°F
SW 6 mph
Precip.
27%
27%
10.08
mon
mon
Day
63°F
S 2 mph
Precip.
13%
13%
Night
55°F
N 2 mph
Precip.
14%
14%
11.08
tue
tue
Day
63°F
N 7 mph
Precip.
36%
36%
Night
57°F
W 8 mph
Precip.
23%
23%
12.08
wed
wed
Day
64°F
SW 9 mph
Precip.
5%
5%
Night
59°F
SE 6 mph
Precip.
19%
19%
13.08
thu
thu
Day
61°F
N 12 mph
Precip.
66%
66%
Night
57°F
E 6 mph
Precip.
48%
48%
14.08
fri
fri
Day
63°F
NE 10 mph
Precip.
12%
12%
Night
55°F
NE 9 mph
Precip.
8%
8%
15.08
sat
sat
Day
54°F
SE 9 mph
Precip.
24%
24%
Night
63°F
NE 8 mph
Precip.
17%
17%
sea water
temperature
temperature
| Helsinki |
monthly
weather
weather
| Helsinki |
current
weather
weather
| Helsinki |
7 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: 12:32
August 02, sunday
1500
68°F
NE
18 mph
18 mph
1800
64°F
NE
16 mph
16 mph
2100
61°F
NE
14 mph
14 mph
August 03, monday
0000
59°F
NE
12 mph
12 mph
0300
59°F
NE
12 mph
12 mph
0600
59°F
NE
9 mph
9 mph
0900
64°F
NE
13 mph
13 mph
1200
66°F
NE
17 mph
17 mph
