26.06
fri
fri
Day
64°F
E 8 mph
Precip.
5%
5%
Night
57°F
E 3 mph
Precip.
36%
36%
27.06
sat
sat
Day
64°F
SE 5 mph
Precip.
7%
7%
Night
61°F
E 7 mph
Precip.
10%
10%
28.06
sun
sun
Day
61°F
NW 10 mph
Precip.
12%
12%
Night
59°F
W 7 mph
Precip.
22%
22%
29.06
mon
mon
Day
63°F
NW 7 mph
Precip.
14%
14%
Night
63°F
W 9 mph
Precip.
12%
12%
30.06
tue
tue
Day
63°F
N 7 mph
Precip.
16%
16%
Night
64°F
NE 7 mph
Precip.
24%
24%
01.07
wed
wed
Day
63°F
W 3 mph
Precip.
67%
67%
Night
59°F
E 6 mph
Precip.
44%
44%
02.07
thu
thu
Day
63°F
NW 7 mph
Precip.
7%
7%
Night
59°F
NW 6 mph
Precip.
15%
15%
Sea water temperature in June, °F
Show year:
2026
2025
2024
The average sea water temperature in June of 2026 was 56.0°F. The highest and lowest sea temperatures during the month were 60.3°F and 48.9°F.
Sea water temperature in July, °F
Show year:
2025
2024
2023
The average sea water temperature in July of 2025 was 64.6°F. The highest and lowest sea temperatures during the month were 76.1°F and 56.1°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: 15:42
June 26, friday
1800
63°F
E
14 mph
14 mph
2100
61°F
E
11 mph
11 mph
June 27, saturday
0000
57°F
E
3 mph
3 mph
0300
57°F
NE
15 mph
15 mph
0600
57°F
N
8 mph
8 mph
0900
61°F
SE
5 mph
5 mph
1200
64°F
SE
5 mph
5 mph
1500
68°F
SE
6 mph
6 mph
