World Resorts Finland Porvoo Weather

Porvoo sea water temperature

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

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

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.

Best time for vacation in Porvoo

Sunniest months:
June 15 days
July 15 days
May 13 days
Warmest months:
July 66.2 °F
August 65.8 °F
June 59.8 °F
Warmest sea temp:
August 63.7 °F
July 63.0 °F
September 58.5 °F
Coldest months:
February 27.3 °F
January 27.5 °F
March 33.2 °F
Rainiest months:
August 5 days
October 4 days
September 4 days
Windiest months:
December 14.6 mph
October 14.3 mph
November 14.0 mph

Porvoo on a weather map

Porvoo
+57°F
NE 6 mph
Feels like: +55°F
Precip.: 39%
Places in Finland:
Name
°F
+52°F
+55°F
+57°F
+54°F
+54°F
+54°F
+57°F
+54°F
+50°F
+54°F
+57°F
+55°F
+55°F
+54°F
24 Hours Forecast
Porvoo
Local time: 04:05
June 27, saturday
0600
57°F
N
9 mph
0900
61°F
S
2 mph
1200
64°F
W
3 mph
1500
66°F
N
7 mph
1800
64°F
NE
12 mph
2100
63°F
E
10 mph
June 28, sunday
0000
61°F
E
7 mph
0300
61°F
NE
6 mph
Units of measurement: °C / °F