18.12
thu
thu
Day
37°F
E 9 mph
Precip.
0%
0%
Night
36°F
N 8 mph
Precip.
0%
0%
19.12
fri
fri
Day
39°F
NE 8 mph
Precip.
0%
0%
Night
37°F
NE 9 mph
Precip.
100%
100%
20.12
sat
sat
Day
41°F
NE 11 mph
Precip.
76%
76%
Night
41°F
NE 13 mph
Precip.
100%
100%
21.12
sun
sun
Day
39°F
E 11 mph
Precip.
0%
0%
Night
34°F
E 11 mph
Precip.
0%
0%
22.12
mon
mon
Day
32°F
S 6 mph
Precip.
0%
0%
Night
27°F
W 6 mph
Precip.
0%
0%
23.12
tue
tue
Day
21°F
W 9 mph
Precip.
0%
0%
Night
16°F
W 8 mph
Precip.
0%
0%
24.12
wed
wed
Day
18°F
W 5 mph
Precip.
0%
0%
Night
18°F
NW 3 mph
Precip.
0%
0%
25.12
thu
thu
Day
19°F
E 4 mph
Precip.
0%
0%
Night
21°F
E 7 mph
Precip.
0%
0%
26.12
fri
fri
Day
23°F
E 11 mph
Precip.
0%
0%
Night
28°F
E 13 mph
Precip.
0%
0%
27.12
sat
sat
Day
30°F
SE 9 mph
Precip.
0%
0%
Night
25°F
NE 2 mph
Precip.
0%
0%
28.12
sun
sun
Day
25°F
NE 6 mph
Precip.
0%
0%
Night
25°F
NE 9 mph
Precip.
0%
0%
29.12
mon
mon
Day
25°F
SE 6 mph
Precip.
0%
0%
Night
21°F
SE 7 mph
Precip.
0%
0%
30.12
tue
tue
Day
25°F
E 7 mph
Precip.
0%
0%
Night
28°F
SE 11 mph
Precip.
0%
0%
31.12
wed
wed
Day
30°F
E 12 mph
Precip.
0%
0%
Night
32°F
SE 9 mph
Precip.
27%
27%
sea water
temperature
temperature
| St Petersburg |
monthly
weather
weather
| St Petersburg |
current
weather
weather
| St Petersburg |
7 days
forecast
forecast
| St Petersburg |
Sea water temperature in December, °F
Show year:
2025
2024
2023
The average sea water temperature in December of 2025 was 34.7°F. The highest and lowest sea temperatures during the month were 35.2°F and 34.3°F.
Sea water temperature in January, °F
Show year:
2025
2024
2023
The average sea water temperature in January of 2025 was 30.5°F. The highest and lowest sea temperatures during the month were 32.7°F and 28.8°F.
Air temperature in St Petersburg, °F
Precipitation total in St Petersburg, in.
* Charts above show average data for the last 3 years.
Best time for vacation in St Petersburg
St Petersburg on a weather map
Places in Russia:
Name
°F
24 Hours Forecast
St Petersburg
Local time: 12:35
December 18, thursday
1500
34°F
E
6 mph
6 mph
1800
34°F
NE
5 mph
5 mph
2100
34°F
N
6 mph
6 mph
December 19, friday
0000
36°F
N
8 mph
8 mph
0300
39°F
NE
9 mph
9 mph
0600
37°F
NE
11 mph
11 mph
0900
39°F
NE
10 mph
10 mph
1200
39°F
NE
8 mph
8 mph
