Current sea water temperature:
+38.5°F
| Minimum sea water temperature in April: | 46.4°F |
| Maximum sea water temperature in April: | 29.5°F |
| Average sea water temperature in April: | 36.0°F |
| more information | |
14 days
forecast
forecast
| Turku |
monthly
weather
weather
| Turku |
Sea water temperature for the last 10 days:
| April 27 | 38.5°F | April 22 | 42.1°F |
| April 26 | 38.3°F | April 21 | 42.6°F |
| April 25 | 38.8°F | April 20 | 41.9°F |
| April 24 | 39.2°F | April 19 | 41.2°F |
| April 23 | 41.0°F | April 18 | 40.6°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
May
May
| Turku |
Best time for vacation in Turku
Turku on a weather map
Places in Finland:
Name
°F
24 Hours Forecast
Turku
Local time: 18:33
April 27, monday
2100
41°F
S
15 mph
15 mph
April 28, tuesday
0000
37°F
S
14 mph
14 mph
0300
36°F
S
15 mph
15 mph
0600
34°F
S
15 mph
15 mph
0900
37°F
S
16 mph
16 mph
1200
43°F
S
16 mph
16 mph
1500
46°F
S
15 mph
15 mph
1800
46°F
S
14 mph
14 mph
