Saint Petersburg Weather in October

What's the weather like in Saint Petersburg (St.-Petersburg) in October 2021?

The climate in Saint Petersburg during October can be summarized as cool and reasonably dry.

October is in the fall / autumn in Saint Petersburg and is typically the 6th warmest month of the year. Daytime maximum temperatures average around a cool 8°C (47°F), whilst at night 3°C (38°F) is normal.

Saint Petersburg weather averages (imperial / metric)
Daytime temperature 8.2°C 46.7°F
Nightly temperature 3.3°C 37.9°F
Average temperature 5.7°C 42.3°F
Daily sunshine 2.7 hrs
Avg rainfall 64 mm 2.5 ins
Rainy days 17 days
Sea temperature 9.1°C 48.4°F
Humidity 86%
Windspeed 11.5kph 7 mph

On average October is the 4th wettest month of the year in Saint Petersburg with around 64mm 2.5 inches of rain making it a reasonably dry time to visit. This rainfall is typically spread over 17 days, although this may vary considerably.

On the flip side this corresponds to an average of 2.7 hours of sunshine per day.

October temperatures in Saint Petersburg

Saint Petersburg average temperature in October

October rainfall

Saint Petersburg average rain in October

October hourly sunshine

Saint Petersburg average rain in October

The data used in these monthly averages covers a period of over 100 years right up until last year. As such they are a valid prediction of what to expect for the weather in Saint Petersburg in October 2021.

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Saint Petersburg weather stats

Saint Petersburg weather statistics
Hottest month: July 21.8°C 71.2°F
Driest month: February 31mm 1.2ins
Sunniest month: June 10.8hrs
Coldest month: January -5.3°C 22.5°F
Wettest month: August 83mm 3.3ins
Map showing location of Saint Petersburg (59.89444, 30.26417)

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