Climate averages 1991–2020

Saint Petersburg weather
in October.

A cold, moderately wet month: the 6th warmest and the 9th driest of the year.

Long-term climate patterns, not a forecast for a particular trip.

Average high 7.3°C Daytime mean, October
Average low 3.5°C Night-time mean, October
Rainfall 62 mm 12 days with ≥1 mm
Daylight 10 h Sunrise to sunset, per day
Every month in Saint Petersburg · average highYear overview

October is a cold month in Saint Petersburg: daytime highs average 7.3°C and nights cool to about 3.5°C. By daytime temperature it is the 6th warmest of the 12 months.

Expect about 62 mm of rain on roughly 12 days, which makes October a moderately wet month (the 9th driest of the 12 months). Daylight, from sunrise to sunset, lasts about 10 h 13 min on an average October day.

The nearest other city in this atlas is Peterhof (24 km away). In October its highs average 7.2°C, about as warm as Saint Petersburg, with 72 mm of rain.

Among the 236 cities listed in Russia, Saint Petersburg ranks joint 149th of 236 for the warmest October highs and joint 203rd of 236 for the driest October (rainfall, lowest first). The mean October high of those 236 cities is 8.6°C; Saint Petersburg is 1.3°C cooler than that mean.

From October to November, average highs fall by 5.7°C to 1.6°C, and monthly precipitation falls from 62 mm to 56 mm.

The annual picture

October in context

30-year average
Average highAverage low°C
Average daily high and low temperatures by month The same values are available in the monthly table below. Lines show mean daily maxima and minima, not a forecast interval. -15-10-50510152025 JanFebMarAprMayJunJulAugSepOctNovDec

Monthly precipitation

Average total · mm
Average monthly precipitation totalsEach bar is a mean monthly total over 1991–2020. Full numbers are in the table. JanFebMarAprMayJunJulAugSepOctNovDec 1000

Averages from hourly ERA5 reanalysis data. Actual weather varies from year to year. How these numbers are calculated

Every month, side by side

Saint Petersburg climate table

1991–2020
Monthly climate averages for Saint Petersburg, 1991–2020
MonthAverage highHigh / lowAverage lowPrecipitation mm/monthWet days ≥1 mm/dayDaylight hours/dayDay­light h/day
January -3.8°C-7.7°C-7.7°C4111.26.87 h
February -4.0°C-8.4°C-8.4°C329.29.19 h
March 0.3°C-5.3°C-5.3°C369.111.812 h
April 7.1°C-0.1°C-0.1°C399.314.515 h
May 14.0°C6.1°C6.1°C509.217.117 h
June 18.5°C11.1°C11.1°C6411.418.719 h
July 21.5°C14.6°C14.6°C6511.118.018 h
August 19.7°C13.5°C13.5°C7011.215.616 h
September 14.4°C9.1°C9.1°C5511.013.013 h
October, selected 7.3°C3.5°C3.5°C6212.310.210 h
November 1.6°C-1.4°C-1.4°C5612.07.68 h
December -1.6°C-5.0°C-5.0°C4912.26.16 h

Precipitation (rain or snow, as water) is the average of the 30 separate monthly totals. A wet day is a local calendar day with at least 1 mm of precipitation. Daylight is the calculated sunrise-to-sunset length, not measured sunshine.

Compare places

October in nearby cities

Distance from Saint Petersburg

Read the numbers correctly

Climate, not a promise.

These patterns help compare months. They cannot tell you the weather on a specific day of your trip.

Sources, method and limits

How these numbers are made (what the highs, lows and rain days mean, the sources and the model cell used for Saint Petersburg) is explained once on the Saint Petersburg year overview and on the Sources, method and limits page.