Current sea water temperature:
+31.1°F
| Minimum sea water temperature in March: | 38.3°F |
| Maximum sea water temperature in March: | 28.6°F |
| Average sea water temperature in March: | 31.7°F |
| more information | |
14 days
forecast
forecast
| Turku |
monthly
weather
weather
| Turku |
Sea water temperature for the last 10 days:
| March 17 | 31.1°F | March 12 | 32.5°F |
| March 16 | 31.5°F | March 11 | 32.9°F |
| March 15 | 31.8°F | March 10 | 31.5°F |
| March 14 | 32.0°F | March 9 | 31.8°F |
| March 13 | 32.9°F | March 8 | 30.7°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
March
March
| Turku |
Best time for vacation in Turku
Turku on a weather map
Places in Finland:
Name
°F
24 Hours Forecast
Turku
Local time: 21:21
March 18, wednesday
0000
32°F
N
8 mph
8 mph
0300
34°F
N
9 mph
9 mph
0600
34°F
N
11 mph
11 mph
0900
36°F
NE
11 mph
11 mph
1200
37°F
NE
13 mph
13 mph
1500
37°F
NE
14 mph
14 mph
1800
36°F
NE
13 mph
13 mph
2100
36°F
NE
12 mph
12 mph
