07.04
tue
tue
Day
36°F
S 14 mph
Precip.
100%
100%
Night
36°F
SW 19 mph
Precip.
0%
0%
08.04
wed
wed
Day
34°F
SW 20 mph
Precip.
0%
0%
Night
30°F
SW 16 mph
Precip.
0%
0%
09.04
thu
thu
Day
37°F
SW 12 mph
Precip.
0%
0%
Night
32°F
SW 9 mph
Precip.
0%
0%
10.04
fri
fri
Day
37°F
W 7 mph
Precip.
0%
0%
Night
32°F
SW 9 mph
Precip.
0%
0%
11.04
sat
sat
Day
39°F
W 8 mph
Precip.
0%
0%
Night
36°F
SW 9 mph
Precip.
0%
0%
12.04
sun
sun
Day
37°F
W 10 mph
Precip.
0%
0%
Night
37°F
W 9 mph
Precip.
0%
0%
13.04
mon
mon
Day
37°F
W 11 mph
Precip.
0%
0%
Night
39°F
W 12 mph
Precip.
0%
0%
14.04
tue
tue
Day
41°F
SW 4 mph
Precip.
0%
0%
Night
36°F
NW 4 mph
Precip.
0%
0%
15.04
wed
wed
Day
43°F
NE 6 mph
Precip.
0%
0%
Night
37°F
NE 9 mph
Precip.
0%
0%
16.04
thu
thu
Day
39°F
NE 9 mph
Precip.
0%
0%
Night
37°F
NE 7 mph
Precip.
0%
0%
17.04
fri
fri
Day
39°F
N 6 mph
Precip.
0%
0%
Night
41°F
N 6 mph
Precip.
0%
0%
18.04
sat
sat
Day
39°F
N 6 mph
Precip.
0%
0%
Night
39°F
NW 4 mph
Precip.
0%
0%
19.04
sun
sun
Day
39°F
NW 7 mph
Precip.
0%
0%
Night
45°F
W 5 mph
Precip.
100%
100%
20.04
mon
mon
Day
41°F
W 7 mph
Precip.
100%
100%
Night
41°F
SW 21 mph
Precip.
100%
100%
Sea water temperature in April, °F
Show year:
2025
2024
2023
The average sea water temperature in April of 2025 was 37.8°F. The highest and lowest sea temperatures during the month were 41.2°F and 34.7°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: 12:42
April 07, tuesday
1500
37°F
S
14 mph
14 mph
1800
41°F
S
17 mph
17 mph
2100
39°F
S
16 mph
16 mph
April 08, wednesday
0000
36°F
SW
19 mph
19 mph
0300
32°F
S
19 mph
19 mph
0600
32°F
SW
21 mph
21 mph
0900
32°F
SW
21 mph
21 mph
1200
34°F
SW
20 mph
20 mph
