Measurements:
°C
°F
St Petersburg
54°F
NE 6 mph
Feels like: 52°F
Precip: 27%
World Resorts Russia St Petersburg Weather

7 Day Weather Forecast

10.05
mon
DAY
54°F
NE 8 mph
precip
23%
NIGHT
54°F
NE 11 mph
precip
33%
10.06
tue
DAY
56°F
E 21 mph
precip
5%
NIGHT
52°F
E 20 mph
precip
6%
10.07
wed
DAY
54°F
E 16 mph
precip
6%
NIGHT
46°F
E 6 mph
precip
11%
10.08
thu
DAY
50°F
N 4 mph
precip
19%
NIGHT
46°F
NW 7 mph
precip
29%
10.09
fri
DAY
52°F
NW 9 mph
precip
71%
NIGHT
52°F
N 7 mph
precip
80%
10.10
sat
DAY
46°F
N 10 mph
precip
27%
NIGHT
42°F
E 12 mph
precip
40%
10.11
sun
DAY
40°F
NE 13 mph
precip
60%
NIGHT
44°F
NE 11 mph
precip
37%

St Petersburg Sea Water Temperature in October, °F

Select Year: 2025 2024 2023

The average sea surface temperature in October 2025 for St Petersburg was 6.1°F. The maximum and minimum values were 3.8°F and 8.5°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 74.0 °F
August 71.0 °F
June 68.5 °F
Warmest sea temperature:
August 65.2 °F
July 64.8 °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:
July 4 days
June 4 days
August 4 days
The most windy months:
December 9 mph
November 9 mph
October 9 mph