28.06
sun
sun
Day
61°F
N 7 mph
Precip.
6%
6%
Night
63°F
NE 6 mph
Precip.
19%
19%
29.06
mon
mon
Day
68°F
NE 6 mph
Precip.
8%
8%
Night
63°F
E 6 mph
Precip.
11%
11%
30.06
tue
tue
Day
64°F
NE 15 mph
Precip.
6%
6%
Night
63°F
S 9 mph
Precip.
5%
5%
01.07
wed
wed
Day
66°F
N 4 mph
Precip.
5%
5%
Night
61°F
SW 6 mph
Precip.
8%
8%
02.07
thu
thu
Day
55°F
W 17 mph
Precip.
76%
76%
Night
55°F
SE 12 mph
Precip.
30%
30%
03.07
fri
fri
Day
63°F
N 2 mph
Precip.
10%
10%
Night
59°F
W 6 mph
Precip.
13%
13%
04.07
sat
sat
Day
59°F
W 16 mph
Precip.
25%
25%
Night
59°F
SW 8 mph
Precip.
11%
11%
05.07
sun
sun
Day
59°F
NW 9 mph
Precip.
24%
24%
Night
59°F
NW 6 mph
Precip.
13%
13%
06.07
mon
mon
Day
59°F
NE 11 mph
Precip.
9%
9%
Night
59°F
NW 4 mph
Precip.
6%
6%
07.07
tue
tue
Day
59°F
SE 6 mph
Precip.
33%
33%
Night
55°F
SE 11 mph
Precip.
34%
34%
08.07
wed
wed
Day
61°F
W 16 mph
Precip.
48%
48%
Night
59°F
S 4 mph
Precip.
9%
9%
09.07
thu
thu
Day
66°F
NE 8 mph
Precip.
7%
7%
Night
63°F
SE 6 mph
Precip.
29%
29%
10.07
fri
fri
Day
66°F
NE 8 mph
Precip.
36%
36%
Night
63°F
SE 11 mph
Precip.
12%
12%
11.07
sat
sat
Day
68°F
SE 11 mph
Precip.
5%
5%
Night
64°F
SE 5 mph
Precip.
20%
20%
Sea water temperature in June, °F
Show year:
2026
2025
2024
The average sea water temperature in June of 2026 was 56.2°F. The highest and lowest sea temperatures during the month were 60.8°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: 06:18
June 28, sunday
0900
63°F
NW
2 mph
2 mph
1200
61°F
N
7 mph
7 mph
1500
63°F
NW
7 mph
7 mph
1800
63°F
NW
9 mph
9 mph
2100
63°F
NE
7 mph
7 mph
June 29, monday
0000
63°F
NE
6 mph
6 mph
0300
61°F
NE
10 mph
10 mph
0600
61°F
NE
6 mph
6 mph
