16.07
thu
thu
Day
66°F
SW 7 mph
Precip.
1%
1%
Night
54°F
N 1 mph
Precip.
12%
12%
17.07
fri
fri
Day
72°F
N 6 mph
Precip.
3%
3%
Night
61°F
N 6 mph
Precip.
9%
9%
18.07
sat
sat
Day
77°F
N 11 mph
Precip.
1%
1%
Night
68°F
N 13 mph
Precip.
6%
6%
19.07
sun
sun
Day
55°F
E 17 mph
Precip.
35%
35%
Night
57°F
NE 5 mph
Precip.
17%
17%
20.07
mon
mon
Day
70°F
S 1 mph
Precip.
17%
17%
Night
52°F
SW 5 mph
Precip.
8%
8%
21.07
tue
tue
Day
70°F
SW 11 mph
Precip.
1%
1%
Night
57°F
SW 6 mph
Precip.
10%
10%
22.07
wed
wed
Day
55°F
SW 13 mph
Precip.
58%
58%
Night
55°F
SW 13 mph
Precip.
45%
45%
sea water
temperature
temperature
| St Petersburg |
monthly
weather
weather
| St Petersburg |
current
weather
weather
| St Petersburg |
14 days
forecast
forecast
| St Petersburg |
Sea water temperature in July, °F
Show year:
2026
2025
2024
The average sea water temperature in July of 2026 was 65.6°F. The highest and lowest sea temperatures during the month were 69.1°F and 62.8°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: 18:42
July 16, thursday
2100
59°F
W
2 mph
2 mph
July 17, friday
0000
54°F
N
1 mph
1 mph
0300
52°F
N
3 mph
3 mph
0600
54°F
N
4 mph
4 mph
0900
64°F
N
5 mph
5 mph
1200
72°F
N
6 mph
6 mph
1500
77°F
NE
6 mph
6 mph
1800
77°F
NE
5 mph
5 mph
