Current sea water temperature:
+51.8°F
| Minimum sea water temperature in June: | 73.2°F |
| Maximum sea water temperature in June: | 44.8°F |
| Average sea water temperature in June: | 55.9°F |
| more information | |
14 days
forecast
forecast
| Porvoo |
monthly
weather
weather
| Porvoo |
Sea water temperature for the last 10 days:
| June 6 | 51.8°F | May 31 | 52.2°F |
| June 5 | 52.2°F | May 30 | 53.8°F |
| June 4 | 53.4°F | May 29 | 53.4°F |
| June 3 | 53.6°F | May 28 | 55.0°F |
| June 1 | 53.8°F | May 27 | 55.2°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
June
June
| Porvoo |
Best time for vacation in Porvoo
Porvoo on a weather map
Places in Finland:
Name
°F
24 Hours Forecast
Porvoo
Local time: 01:33
June 07, sunday
0300

50°F
NE
7 mph
7 mph
0600

52°F
NE
10 mph
10 mph
0900

54°F
NE
9 mph
9 mph
1200

55°F
NE
7 mph
7 mph
1500

59°F
NW
6 mph
6 mph
1800

57°F
N
7 mph
7 mph
2100

57°F
NE
7 mph
7 mph
June 08, monday
0000

52°F
E
6 mph
6 mph



























