Weather in St. Petersburg in October 2025
Average weather
Average temperature in St. Petersburg in October
Going from a maximum of +17°C during the day to a minimum of -4°C during the night, the temperature in October averages around +7°C.
The average maximum temperature goes down 57% by the end of the month, compared with the beginning of the month, from +15°C to +3°C.
Is St. Petersburg warm or cold in October?
St. Petersburg is typically cool in October.
Maximum temperatures go down compared to the previous month from +15°C to +8°C. The minimum temperature also goes down from +7°C to +3°C.
Pack a sweater and a jacket as there will be cooler temperatures.
Take a look at how October is compared to other months in St. Petersburg:
Water temperature in St. Petersburg in October
Water in St. Petersburg in October is Cold. It varies from +5°C to +12°C, with an average of +9°C. Note that the air temperature is lower than the water temperature, averaging around +8°C.
In October, water temperatures are average relative to the rest of the year:
Can you swim in St. Petersburg in October?
Climate in St. Petersburg in October
| September | October | November | ||||
|---|---|---|---|---|---|---|
| Avg. temperature | ||||||
| +15°C | +8°C | +2°C | ||||
| Min. temperature | ||||||
| -3°C | -12°C | -23°C | ||||
| Max. temperature | ||||||
| +28°C | +19°C | +12°C | ||||
| Rainfall | ||||||
| 54 mm | 49 mm | 22 mm | ||||
| Wind | ||||||
| 2 m/s | 3 m/s | 3 m/s | ||||
| Avg. water temperature | ||||||
| +14°C | +9°C | +5°C | ||||
| Humidity | ||||||
| 80% | 83% | 85% | ||||
| Air pressure | ||||||
| 1012 HPa | 1012 HPa | 1012 HPa | ||||
| Sunny days | ||||||
| 3 | 3 | 1 | ||||
| Cloudy days | ||||||
| 8 | 11 | 12 | ||||
| Rainy days | ||||||
| 18 | 15 | 6 | ||||
| Snowy days | ||||||
| 0 | 3 | 10 | ||||
October weather is still as ok as in September. It’s getting colder in October. From +15°C in the day, the average maximum temperature lowers to +8°C. As October arrives, the amount of rainfall goes down. On average, the rainfall volume decreases from 54 mm to 49 mm. Humidity rises from 80% to 83%. Winds are stronger in comparison to September, going up from 2 m/s to 3 m/s on average. The amount of sunny days stay about the same, averaging 3 sunny days during the month.
November brings much the same weather, it remains ok.
Wind
The average wind speed is 4 m/s getting up to 8 m/s which is a medium breeze. You can feel it, especially getting out of the water.
The average wind speed in St. Petersburg is gradually decreasing during October, going from 5 m/s to 4 m/s over the course of the month.
Rain
Snow
Here’s how October is compared with other months in the amount of snow, total mm:
How was the weather last October in St. Petersburg?
Climate Change over Years
The climate in St. Petersburg in October has not changed much over the last 43 years.
The average temperature was the lowest in 1987 (+6°C) and the highest in 2020 (+11°C). The driest year was 1992 with only 268 mm of rainfall, and the wettest year was 2022 with 866 mm.
FAQ
Is October a good time to visit St. Petersburg?
Can you sunbathe in St. Petersburg in October?
Can you swim in St. Petersburg in October?
Is St. Petersburg rainy in October?
Is it sunny in St. Petersburg in October?
Other cities in Russia
Monthly weather in St. Petersburg
Source of the data
For this page, we’ve looked at the typical weather in St. Petersburg, based on historical hourly weather data from January 1, 1979, to December 31, 2023.
For past dates, we show actual recorded data at the location at that time. Forecasts are based on recorded weather during that day of the year, averaged over the total years for which we have records (unless stated otherwise). The daily temperature is the highest recorded temperature in the shadow during that day.