Current sea water temperature:
+33.8°F
| Minimum sea water temperature in January: | 39.7°F |
| Maximum sea water temperature in January: | 28.4°F |
| Average sea water temperature in January: | 32.4°F |
| more information | |
14 days
forecast
forecast
| Turku |
monthly
weather
weather
| Turku |
Sea water temperature for the last 10 days:
| January 13 | 33.8°F | January 8 | 36.3°F |
| January 12 | 33.6°F | January 7 | 36.5°F |
| January 11 | 33.6°F | January 6 | 36.3°F |
| January 10 | 33.8°F | January 5 | 36.7°F |
| January 9 | 34.0°F | January 4 | 37.0°F |
Monthly sea water temperature, °F
When is the warmest sea in Turku?
Based on the data about daily sea water temperature for the last three years the warmest sea in Turku was noticed in August, July and September.
Monthly Sea Temperatures in Turku, °F
Sea water temperature in August, °F
Show year:
2025
2024
2023
The average sea water temperature in August of 2025 was 66.0°F. The highest and lowest sea temperatures during the month were 71.1°F and 61.0°F.
Sea water temperature in July, °F
Show year:
2025
2024
2023
The average sea water temperature in July of 2025 was 64.0°F. The highest and lowest sea temperatures during the month were 70.5°F and 57.7°F.
Sea water temperature in September, °F
Show year:
2025
2024
2023
The average sea water temperature in September of 2025 was 60.5°F. The highest and lowest sea temperatures during the month were 63.5°F and 56.7°F.
current
weather
weather
| Turku |
weather in
January
January
| Turku |
Best time for vacation in Turku
Turku on a weather map
Places in Finland:
Name
°F
24 Hours Forecast
Turku
Local time: 11:39
January 13, tuesday
1200

19°F
W
7 mph
7 mph
1500

21°F
W
7 mph
7 mph
1800

18°F
W
7 mph
7 mph
2100

16°F
W
7 mph
7 mph
January 14, wednesday
0000

16°F
W
7 mph
7 mph
0300

18°F
W
8 mph
8 mph
0600

18°F
NW
9 mph
9 mph
0900

19°F
NW
9 mph
9 mph



























