Current sea water temperature:
+29.7°F
| Minimum sea water temperature in February: | 35.4°F |
| Maximum sea water temperature in February: | 28.8°F |
| Average sea water temperature in February: | 31.1°F |
| more information | |
14 days
forecast
forecast
| Kotka |
monthly
weather
weather
| Kotka |
Sea water temperature for the last 10 days:
| February 23 | 29.7°F | February 18 | 28.8°F |
| February 22 | 28.8°F | February 17 | 28.8°F |
| February 21 | 28.8°F | February 16 | 28.8°F |
| February 20 | 28.8°F | February 15 | 28.8°F |
| February 19 | 28.8°F | February 14 | 28.8°F |
Monthly sea water temperature, °F
When is the warmest sea in Kotka?
Based on the data about daily sea water temperature for the last three years the warmest sea in Kotka was noticed in August, July and September.
Monthly Sea Temperatures in Kotka, °F
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.
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.
Sea water temperature in September, °F
Show year:
2025
2024
2023
The average sea water temperature in September of 2025 was 61.4°F. The highest and lowest sea temperatures during the month were 65.1°F and 56.5°F.
current
weather
weather
| Kotka |
weather in
February
February
| Kotka |
Best time for vacation in Kotka
Kotka on a weather map
Places in Finland:
Name
°F
24 Hours Forecast
Kotka
Local time: 05:16
February 24, tuesday
0600

9°F
W
9 mph
9 mph
0900

12°F
SW
9 mph
9 mph
1200

21°F
W
9 mph
9 mph
1500

25°F
SW
9 mph
9 mph
1800

21°F
SW
8 mph
8 mph
2100

16°F
SW
7 mph
7 mph
February 25, wednesday
0000

12°F
S
6 mph
6 mph
0300

7°F
S
6 mph
6 mph



























