07.08
fri
fri
Day
64°F
NE 24 mph
Precip.
18%
18%
Night
59°F
E 15 mph
Precip.
5%
5%
08.08
sat
sat
Day
64°F
E 14 mph
Precip.
10%
10%
Night
57°F
SE 14 mph
Precip.
5%
5%
09.08
sun
sun
Day
63°F
NE 16 mph
Precip.
8%
8%
Night
64°F
NE 17 mph
Precip.
10%
10%
10.08
mon
mon
Day
66°F
NE 21 mph
Precip.
26%
26%
Night
61°F
E 17 mph
Precip.
9%
9%
11.08
tue
tue
Day
64°F
SE 11 mph
Precip.
4%
4%
Night
55°F
SE 12 mph
Precip.
9%
9%
12.08
wed
wed
Day
63°F
SE 14 mph
Precip.
6%
6%
Night
59°F
E 16 mph
Precip.
9%
9%
13.08
thu
thu
Day
64°F
NE 9 mph
Precip.
11%
11%
Night
63°F
NE 14 mph
Precip.
14%
14%
14.08
fri
fri
Day
63°F
E 16 mph
Precip.
37%
37%
Night
64°F
NE 14 mph
Precip.
9%
9%
15.08
sat
sat
Day
68°F
SE 8 mph
Precip.
4%
4%
Night
61°F
SE 10 mph
Precip.
8%
8%
16.08
sun
sun
Day
64°F
SE 15 mph
Precip.
2%
2%
Night
55°F
S 9 mph
Precip.
4%
4%
17.08
mon
mon
Day
61°F
NE 3 mph
Precip.
1%
1%
Night
59°F
SW 0 mph
Precip.
4%
4%
18.08
tue
tue
Day
57°F
NW 17 mph
Precip.
43%
43%
Night
61°F
NW 29 mph
Precip.
13%
13%
19.08
wed
wed
Day
63°F
NW 13 mph
Precip.
43%
43%
Night
63°F
NE 18 mph
Precip.
26%
26%
20.08
thu
thu
Day
63°F
NE 24 mph
Precip.
5%
5%
Night
59°F
E 12 mph
Precip.
5%
5%
Sea water temperature in August, °F
Show year:
2025
2024
2023
The average sea water temperature in August of 2025 was 65.4°F. The highest and lowest sea temperatures during the month were 75.9°F and 59.4°F.
Air temperature in Kotka, °F
Precipitation total in Kotka, in.
* Charts above show average data for the last 3 years.
Best time for vacation in Kotka
Kotka on a weather map
Places in Finland:
Name
°F
24 Hours Forecast
Kotka
Local time: 11:49
August 07, friday
1200
64°F
NE
24 mph
24 mph
1500
66°F
E
21 mph
21 mph
1800
68°F
E
16 mph
16 mph
2100
64°F
E
15 mph
15 mph
August 08, saturday
0000
59°F
E
15 mph
15 mph
0300
55°F
E
16 mph
16 mph
0600
55°F
E
17 mph
17 mph
0900
59°F
E
14 mph
14 mph
