25.12
thu
thu
Day
41°F
E 22 mph
Precip.
0%
0%
Night
41°F
SE 19 mph
Precip.
0%
0%
26.12
fri
fri
Day
37°F
S 16 mph
Precip.
0%
0%
Night
36°F
E 10 mph
Precip.
0%
0%
27.12
sat
sat
Day
37°F
SE 21 mph
Precip.
0%
0%
Night
32°F
S 34 mph
Precip.
62%
62%
28.12
sun
sun
Day
30°F
S 24 mph
Precip.
0%
0%
Night
28°F
SE 9 mph
Precip.
0%
0%
29.12
mon
mon
Day
36°F
E 14 mph
Precip.
100%
100%
Night
28°F
S 21 mph
Precip.
47%
47%
30.12
tue
tue
Day
28°F
SE 19 mph
Precip.
0%
0%
Night
25°F
SE 16 mph
Precip.
0%
0%
31.12
wed
wed
Day
23°F
S 10 mph
Precip.
0%
0%
Night
23°F
S 16 mph
Precip.
100%
100%
Sea water temperature in December, °F
Show year:
2025
2024
2023
The average sea water temperature in December of 2025 was 38.2°F. The highest and lowest sea temperatures during the month were 41.4°F and 36.0°F.
Sea water temperature in January, °F
Show year:
2025
2024
2023
The average sea water temperature in January of 2025 was 32.9°F. The highest and lowest sea temperatures during the month were 34.3°F and 31.8°F.
Air temperature in Porvoo, °F
Precipitation total in Porvoo, in.
* Charts above show average data for the last 3 years.
Best time for vacation in Porvoo
Porvoo on a weather map
Places in Finland:
Name
°F
24 Hours Forecast
Porvoo
Local time: 08:26
December 25, thursday
0900
39°F
E
19 mph
19 mph
1200
41°F
E
22 mph
22 mph
1500
41°F
E
23 mph
23 mph
1800
43°F
SE
19 mph
19 mph
2100
43°F
S
23 mph
23 mph
December 26, friday
0000
41°F
SE
19 mph
19 mph
0300
39°F
SE
19 mph
19 mph
0600
37°F
SE
17 mph
17 mph
