Measurements:
°C
°F
CURRENT WEATHER
02:20
St Petersburg
54°F
SW 8 mph
Feels like: 52°F
Precip: 11%
World Resorts Russia St Petersburg Weather

7 Day Weather Forecast

07.16
thu
DAY
68°F
SW 8 mph
precip
1%
NIGHT
54°F
E 1 mph
precip
6%
07.17
fri
DAY
74°F
NE 5 mph
precip
1%
NIGHT
60°F
N 6 mph
precip
6%
07.18
sat
DAY
80°F
N 12 mph
precip
1%
NIGHT
68°F
N 11 mph
precip
5%
07.19
sun
DAY
68°F
N 11 mph
precip
31%
NIGHT
54°F
E 11 mph
precip
21%
07.20
mon
DAY
54°F
S 9 mph
precip
18%
NIGHT
52°F
SW 10 mph
precip
17%
07.21
tue
DAY
48°F
SW 18 mph
precip
59%
NIGHT
50°F
S 17 mph
precip
74%
07.22
wed
DAY
50°F
SE 11 mph
precip
60%
NIGHT
46°F
SE 10 mph
precip
34%

St Petersburg Sea Water Temperature in July, °F

Select Year: 2026 2025 2024

The average sea surface temperature in July 2026 for St Petersburg was 18.6°F. The maximum and minimum values were 17.1°F and 20.6°F respectively.

St Petersburg on the Weather Map

Best Time to Visit St Petersburg
The most sunny months:
July 14 days
June 12 days
August 12 days
The most warm months:
July 74.1 °F
August 71.1 °F
June 68.5 °F
Warmest sea temperature:
August 65.2 °F
July 64.5 °F
June 58.4 °F
The most cold months:
January 19.9 °F
February 22.6 °F
December 26.4 °F
The most rainy months:
August 5 days
July 4 days
June 4 days
The most windy months:
December 9 mph
November 9 mph
October 9 mph
more details