Current sea water temperature:
+61.7°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: | 56.0°F |
| more information | |
14 days
forecast
forecast
| Porvoo |
monthly
weather
weather
| Porvoo |
Sea water temperature for the last 10 days:
| June 26 | 61.7°F | June 21 | 61.7°F |
| June 25 | 62.6°F | June 20 | 59.4°F |
| June 24 | 64.4°F | June 19 | 60.3°F |
| June 23 | 63.1°F | June 18 | 57.4°F |
| June 22 | 63.5°F | June 17 | 57.0°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
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: 04:05
June 27, saturday
0600

57°F
N
9 mph
9 mph
0900

61°F
S
2 mph
2 mph
1200

64°F
W
3 mph
3 mph
1500

66°F
N
7 mph
7 mph
1800

64°F
NE
12 mph
12 mph
2100

63°F
E
10 mph
10 mph
June 28, sunday
0000

61°F
E
7 mph
7 mph
0300

61°F
NE
6 mph
6 mph




























