02.08
sun
sun
Day
68°F
NE 15 mph
Precip.
2%
2%
Night
59°F
NE 12 mph
Precip.
26%
26%
03.08
mon
mon
Day
66°F
NE 15 mph
Precip.
3%
3%
Night
57°F
E 9 mph
Precip.
12%
12%
04.08
tue
tue
Day
66°F
NE 11 mph
Precip.
7%
7%
Night
57°F
E 7 mph
Precip.
14%
14%
05.08
wed
wed
Day
57°F
E 4 mph
Precip.
30%
30%
Night
55°F
S 5 mph
Precip.
22%
22%
06.08
thu
thu
Day
66°F
W 2 mph
Precip.
2%
2%
Night
57°F
NW 4 mph
Precip.
6%
6%
07.08
fri
fri
Day
61°F
N 6 mph
Precip.
81%
81%
Night
59°F
E 12 mph
Precip.
24%
24%
08.08
sat
sat
Day
64°F
E 9 mph
Precip.
4%
4%
Night
55°F
SE 7 mph
Precip.
8%
8%
09.08
sun
sun
Day
61°F
SE 2 mph
Precip.
3%
3%
Night
52°F
SE 7 mph
Precip.
11%
11%
10.08
mon
mon
Day
63°F
E 2 mph
Precip.
3%
3%
Night
57°F
SE 2 mph
Precip.
15%
15%
11.08
tue
tue
Day
63°F
NE 7 mph
Precip.
4%
4%
Night
57°F
N 9 mph
Precip.
27%
27%
12.08
wed
wed
Day
61°F
NE 9 mph
Precip.
49%
49%
Night
52°F
SE 9 mph
Precip.
60%
60%
13.08
thu
thu
Day
59°F
SE 9 mph
Precip.
17%
17%
Night
57°F
SE 6 mph
Precip.
16%
16%
14.08
fri
fri
Day
63°F
N 11 mph
Precip.
5%
5%
Night
61°F
NE 14 mph
Precip.
28%
28%
15.08
sat
sat
Day
68°F
N 14 mph
Precip.
8%
8%
Night
68°F
N 12 mph
Precip.
22%
22%
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: 13:32
August 02, sunday
1500
66°F
NE
19 mph
19 mph
1800
64°F
NE
17 mph
17 mph
2100
61°F
NE
14 mph
14 mph
August 03, monday
0000
59°F
NE
12 mph
12 mph
0300
59°F
NE
11 mph
11 mph
0600
57°F
NE
10 mph
10 mph
0900
64°F
NE
13 mph
13 mph
1200
66°F
NE
15 mph
15 mph
