Current sea water temperature:
+64.6°F
| Minimum sea water temperature in July: | 75.7°F |
| Maximum sea water temperature in July: | 47.8°F |
| Average sea water temperature in July: | 63.0°F |
| more information | |
14 days
forecast
forecast
| Porvoo |
monthly
weather
weather
| Porvoo |
Sea water temperature for the last 10 days:
| July 17 | 64.6°F | July 12 | 62.1°F |
| July 16 | 64.2°F | July 11 | 61.9°F |
| July 15 | 63.5°F | July 10 | 61.5°F |
| July 14 | 61.5°F | July 9 | 61.7°F |
| July 13 | 65.1°F | July 8 | 62.6°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:
2026
2025
2024
The average sea water temperature in July of 2026 was 62.8°F. The highest and lowest sea temperatures during the month were 65.1°F and 61.3°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
July
July
| Porvoo |
Best time for vacation in Porvoo
Porvoo on a weather map
Places in Finland:
Name
°F
24 Hours Forecast
Porvoo
Local time: 09:21
July 18, saturday
1200
68°F
N
12 mph
12 mph
1500
70°F
NW
14 mph
14 mph
1800
72°F
NW
19 mph
19 mph
2100
70°F
N
21 mph
21 mph
July 19, sunday
0000
66°F
N
23 mph
23 mph
0300
64°F
N
25 mph
25 mph
0600
63°F
NE
33 mph
33 mph
0900
63°F
E
30 mph
30 mph
