October weather forecast
Saint Petersburg, Russia

A stunning night panorama of the lit Kazan Cathedral in Saint Petersburg, Russia
A stunning night panorama of the lit Kazan Cathedral in Saint Petersburg, Russia

Weather in October

October, like September, is a frosty autumn month in Saint Petersburg, Russia, with an average temperature varying between 8.6°C (47.5°F) and 4°C (39.2°F).

Temperature

In Saint Petersburg, the average high-temperature in October drops from a moderate 15°C (59°F) in September to a chilly 8.6°C (47.5°F). In October, in Saint Petersburg, the average low-temperature is 4°C (39.2°F).

Humidity

In Saint Petersburg, the average relative humidity in October is 83%.

Rainfall

In Saint Petersburg, it is raining for 20 days, with typically 68mm (2.68") of accumulated precipitation. In Saint Petersburg, during the entire year, the rain falls for 173 days and collects up to 662mm (26.06") of precipitation.

Snowfall

January through April, October through December are months with snowfall in Saint Petersburg. October is the first month it typically snows. Throughout October, there are 2 snowfall days. In Saint Petersburg, during the entire year, snow falls for 75 days.

Sea temperature

In October, the average sea temperature in Saint Petersburg is 9.1°C (48.4°F).
Note: At temperatures below 10°C (50°F), swimming in a suitably protected swimsuit is feasible; otherwise, cold shock and loss of breathing control are imminent. Even a short swim, without thermal protection, at temperatures around 13°C (55.4°F) is not comfortable.

Daylight

The average length of the day in October in Saint Petersburg, Russia, is 10h and 8min.
On the first day of the month, sunrise is at 07:04 and sunset at 18:32. On the last day of October, sunrise is at 08:17 and sunset at 17:06 MSK.

Sunshine

In Saint Petersburg, the average sunshine in October is 2.3h.

UV index

In Saint Petersburg, the average daily maximum UV index in October is 1. A UV Index of 2, and less, symbolizes a minimal health hazard from unsafe exposure to UV radiation for the ordinary person.
Note: The daily maximum UV index of 1 in October interpret into the following advice:
People with sensitive skin, children, and babies should always be protected from prolonged sun exposure. The solar radiation is most powerful near the mid-day, so the exposure to the direct Sun should be reduced accordingly. On bright days sunglasses that block both UVA and UVB rays should be worn. A hat with a wide brim is extremely helpful, as it can prevent roughly 50% of UV radiation from reaching the eyes. Caution! The reflection of snow can nearly double the intensity of the Sun's UV radiation.
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FAQ

What is the temperature in October in Saint Petersburg?

The average high-temperature, in October, in Saint Petersburg, is 8.6°C (47.5°F), while the average low-temperature is 4°C (39.2°F).

What is the average humidity in October in Saint Petersburg?

In October, the average relative humidity is 83%.

How many days does it rain in October in Saint Petersburg?

In Saint Petersburg, during October, the rain falls for 20 days and regularly aggregates up to 68mm (2.68") of precipitation.

When does it start to snow in Saint Petersburg?

October is the first month it typically snows in Saint Petersburg, Russia. Throughout October, there are 2 snowfall days.

What is the sea water temperature in October in Saint Petersburg?

In October, the average sea temperature in Saint Petersburg is 9.1°C (48.4°F). Swimming in 9.1°C (48.4°F) is considered life-threatening. Even a few minutes in 13°C (55.4°F) water is uncomfortable, and swimming below 10°C (50°F) may cause total loss of breathing control and cold shock, depending on a person's physique.

What is the average length of the day in October in Saint Petersburg?

The average day length in October in Saint Petersburg, Russia, is 10h and 8min.

What time are sunrise and sunset in October in Saint Petersburg?

On the first day of October in Saint Petersburg, sunrise is at 07:04 and sunset at 18:32. On the last day of the month, sunrise is at 08:17 and sunset at 17:06 MSK.

How long on average sun shines in October in Saint Petersburg?

The average sunshine duration in October in Saint Petersburg, Russia, is 2.3h.

What is the UV index reading in October in Saint Petersburg?

In Saint Petersburg, Russia, the average daily maximum UV index in October is 1. A UV Index of 2, and less, symbolizes a minimal health vulnerability from exposure to Sun's UV rays.
Average humidity
Average rainfall days
Average snowfall days
Average sunshine
Average UV index

Average temperature in October
Saint Petersburg, Russia

Average temperature in October - Saint Petersburg, Russia
  • Average high temperature in October: 8.6°C

The warmest month (with the highest average high temperature) is July (23°C).
The months with the lowest average high temperature are January and February (-3°C).

  • Average low temperature in October: 4°C

The month with the highest average low temperature is July (15°C).
The coldest month (with the lowest average low temperature) is February (-8.5°C).

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Average humidity in October
Saint Petersburg, Russia

Average humidity in October - Saint Petersburg, Russia
  • Average humidity in October: 83%

The month with the highest relative humidity is December (87%).
The month with the lowest relative humidity is May (65%).

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Average rainfall in October
Saint Petersburg, Russia

Average rainfall in October - Saint Petersburg, Russia
  • Average rainfall in October: 68mm

The wettest month (with the highest rainfall) is August (83mm).
The driest month (with the least rainfall) is April (31mm).

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Average rainfall days in October
Saint Petersburg, Russia

Average rainfall days in October - Saint Petersburg, Russia
  • Average rainfall days in October: 20 days

The months with the highest number of rainy days are September and October (20 days).
The month with the least rainy days is February (7 days).

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Average snowfall days in October
Saint Petersburg, Russia

Average snowfall days in October - Saint Petersburg, Russia
  • Average snowfall days in October: 2 days

The months with the highest number of snowfall days are January, February and December (17 days).
The months with the least snowfall days are May, June, July, August and September (0 days).

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Average sea temperature in October
Saint Petersburg, Russia

Average sea temperature in October - Saint Petersburg, Russia
  • Average sea temperature in October: 9.1°C

The best month for swimming (with the highest average sea temperature) is July (19°C).
The coldest month (with the lowest average sea temperature) is February (-0.3°C).

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Average daylight in October /
Average sunshine in October
Saint Petersburg, Russia

Average daylight in October / Average sunshine in October - Saint Petersburg, Russia
  • Average daylight in October: 10h and 8min

The month with the longest days is June (Average daylight: 18h and 41min).
The month with the shortest days is December (Average daylight: 6h and 4min).

  • Average sunshine in October: 2h and 18min

The month with the most sunshine is June (Average sunshine: 9h and 12min).
The month with the least sunshine is December (Average sunshine: 0h and 24min).

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Average UV index in October
Saint Petersburg, Russia

Average UV index in October - Saint Petersburg, Russia
  • Average UV index in October: 1

The months with the highest UV index are June and July (UV index 5).
The months with the lowest UV index are January, November and December (UV index 0).

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