Current sea water temperature:
+31.5°F
| Minimum sea water temperature in March: | 36.7°F |
| Maximum sea water temperature in March: | 28.8°F |
| Average sea water temperature in March: | 31.5°F |
| more information | |
14 days
forecast
forecast
| Porvoo |
monthly
weather
weather
| Porvoo |
Sea water temperature for the last 10 days:
| March 17 | 31.5°F | March 12 | 31.5°F |
| March 16 | 32.5°F | March 11 | 32.5°F |
| March 15 | 32.7°F | March 10 | 32.9°F |
| March 14 | 33.6°F | March 9 | 30.4°F |
| March 13 | 30.7°F | March 8 | 31.1°F |
Monthly sea water temperature, °F
When is the warmest sea in Porvoo?
Based on the data about daily sea water temperature for the last three years the warmest sea in Porvoo was noticed in August, July and September.
Monthly Sea Temperatures in Porvoo, °F
Sea water temperature in August, °F
Show year:
2025
2024
2023
The average sea water temperature in August of 2025 was 64.7°F. The highest and lowest sea temperatures during the month were 74.3°F and 58.3°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 73.8°F and 55.6°F.
Sea water temperature in September, °F
Show year:
2025
2024
2023
The average sea water temperature in September of 2025 was 59.1°F. The highest and lowest sea temperatures during the month were 64.0°F and 52.3°F.
current
weather
weather
| Porvoo |
weather in
March
March
| Porvoo |
Best time for vacation in Porvoo
Porvoo on a weather map
Places in Finland:
Name
°F
24 Hours Forecast
Porvoo
Local time: 19:02
March 17, tuesday
2100
32°F
E
7 mph
7 mph
March 18, wednesday
0000
30°F
E
7 mph
7 mph
0300
30°F
NE
8 mph
8 mph
0600
32°F
NE
9 mph
9 mph
0900
34°F
NE
12 mph
12 mph
1200
36°F
NE
14 mph
14 mph
1500
37°F
NE
15 mph
15 mph
1800
36°F
NE
15 mph
15 mph
