Current sea water temperature:
+52.5°F
| Minimum sea water temperature in June: | 72.3°F |
| Maximum sea water temperature in June: | 45.3°F |
| Average sea water temperature in June: | 55.8°F |
| more information | |
14 days
forecast
forecast
| Kotka |
monthly
weather
weather
| Kotka |
Sea water temperature for the last 10 days:
| June 6 | 52.5°F | May 31 | 49.1°F |
| June 5 | 52.5°F | May 30 | 49.5°F |
| June 4 | 51.6°F | May 29 | 48.7°F |
| June 3 | 51.6°F | May 28 | 48.2°F |
| June 1 | 48.9°F | May 27 | 48.4°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
June
June
| Kotka |
Best time for vacation in Kotka
Kotka on a weather map
Places in Finland:
Name
°F
24 Hours Forecast
Kotka
Local time: 11:33
June 06, saturday
1200
55°F
NW
12 mph
12 mph
1500
55°F
NW
17 mph
17 mph
1800
55°F
NW
12 mph
12 mph
2100
54°F
N
14 mph
14 mph
June 07, sunday
0000
52°F
NE
22 mph
22 mph
0300
50°F
NE
12 mph
12 mph
0600
52°F
N
11 mph
11 mph
0900
54°F
NE
10 mph
10 mph
