Average sea water temperature in March:
+31.7°F
| Minimum sea water temperature in March: | 36.1°F |
| Maximum sea water temperature in March: | 29.3°F |
Daily sea water temperature in March, °F
Show year:
2025
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The average sea water temperature in March of 2025 was 33.3°F. The highest and lowest sea temperatures during the month were 35.2°F and 31.3°F.
Monthly sea water temperature in Kotka, °F
jan
feb
mar
apr
may
jun
jul
aug
sep
oct
nov
dec
0
11
22
33
44
55
66
77
37.2
43.4
50.3
59.3
64.2
63.2
55.9
45.2
35.5
31.7
31.2
32.6
Which Finland resorts have warmest sea in March?
| Place name | March 2025 | March 2024 |
|---|---|---|
| Vantaa | 34.1°F | 31.5°F |
| Espoo | 34.1°F | 31.5°F |
| Helsinki | 34.0°F | 31.5°F |
| Kotka | 33.3°F | 30.6°F |
| Turku | 33.2°F | 30.6°F |
| Porvoo | 32.8°F | 30.5°F |
| Pori | 32.7°F | 31.6°F |
| Lahti | 32.5°F | 32.0°F |
| Savolinna | 32.3°F | 32.0°F |
| Juvaskyla | 32.1°F | 32.0°F |
| Imatra | 32.0°F | 32.0°F |
| Saariselka | 32.0°F | 32.0°F |
| Koli National Park | 32.0°F | 32.0°F |
| Vaasa | 31.9°F | 31.1°F |
| Lappeenranta | 31.9°F | 30.8°F |
| Seinajoki | 31.8°F | 30.5°F |
| Oulu | 30.0°F | 29.1°F |
| Kemi | 29.5°F | 28.8°F |
Best time for vacation in Kotka
Kotka on a weather map
Leaflet | Tiles © Esri
Places in Finland:
Name
°F
24 Hours Forecast
Kotka
Local time: 00:51
March 26, wednesday
0300
36°F
SE
5 mph
5 mph
0600
36°F
S
7 mph
7 mph
0900
37°F
S
7 mph
7 mph
1200
39°F
SW
6 mph
6 mph
1500
41°F
SW
3 mph
3 mph
1800
39°F
S
6 mph
6 mph
2100
36°F
S
9 mph
9 mph
March 27, thursday
0000
34°F
S
5 mph
5 mph
