Saint Petersburg monthly weather averages

Average daytime temperature

The bar chart below shows the average monthly peak daytime temperatures at Saint Petersburg

Saint Petersburg average temperature chart (Celsius) Saint Petersburg average temperature chart (Fahrenheit)
Average monthly temperatures in Saint Petersburg (degrees centigrade and fahrenheit)
  Jan Feb Mar Apr May Jun Jul Aug Sep Oct Nov Dec
°C -5.3 -4.5 0.8 7.7 15.5 20 21.8 19.9 14.4 8 1.9 -2.6
°F 22.4 23.9 33.5 45.9 59.9 68.1 71.2 67.8 58 46.5 35.4 27.3

Please note: these are the average peak daytime temperatures (usually around mid-afternoon) so do not show daytime / night highs and lows. To see the daily range of temperatures have a look at the temperature max / min chart below.

Average rainfall & rainy days

The graph below shows the average rainfall and number of rainy days per month.

Saint Petersburg monthly rainfall chart (mm) Saint Petersburg monthly rainfall chart (inches)
Average monthly rainfall in Saint Petersburg (mm and inches)
  Jan Feb Mar Apr May Jun Jul Aug Sep Oct Nov Dec
mm 39 31 35 36 40 59 75 83 70 64 60 50
inches 1.5 1.2 1.4 1.4 1.6 2.3 3 3.3 2.8 2.5 2.3 2
Rainy days 19 15 15 12 12 13 14 15 17 17 20 22

Average daily sunshine

The bar chart below shows the average daily sunshine hours in Saint Petersburg

Saint Petersburg average daily sunshine chart
Average daily sunshine Saint Petersburg
  Jan Feb Mar Apr May Jun Jul Aug Sep Oct Nov Dec
Hrs sunshine 1 2.3 4.5 6.7 9.5 10.8 10 7.8 4.9 2.7 1.1 0.6

Day / night temperatures

The graph below shows the daily range of temperatures for each month.

Saint Petersburg average minimum / maximum temperatures (Celsius) Saint Petersburg average minimum / maximum temperatures (Fahrenheit)
Maximum and minimum daily temperatures in Saint Petersburg (degrees centigrade and fahrenheit)
  Jan Feb Mar Apr May Jun Jul Aug Sep Oct Nov Dec
Min °C -11 -10.3 -5.6 0.3 6.3 11.2 13.7 12.6 8 3.3 -2 -7.5
Max °C -5.2 -4.4 1 7.9 15.8 20.3 22 20.1 14.6 8.2 2 -2.5
Min °F 12.2 13.6 21.9 32.5 43.3 52.1 56.6 54.6 46.4 37.9 28.4 18.5
Max °F 17.4 18.9 27.9 39.4 51.8 60.3 64 61.3 52.3 42.3 32 23

Sea temperature

The graph below shows the average sea temperature.

Saint Petersburg average sea temperature chart (Celsius) Saint Petersburg average sea temperature chart (Fahrenheit)
Average sea temperature around Saint Petersburg in degrees centigrade and fahrenheit
  Jan Feb Mar Apr May Jun Jul Aug Sep Oct Nov Dec
°C 1.8 0.9 0.9 2.2 5.5 10.1 14.1 15.3 12.9 9.1 6 3.5
°F 35.3 33.6 33.6 36 41.9 50.1 57.5 59.5 55.2 48.4 42.7 38.3

Wind speed

The graph below shows the average wind speed.

Saint Petersburg average winspeed by month (km/h) Saint Petersburg average winspeed by month (mph)
Average wind speed in Saint Petersburg (mph and kmh)
  Jan Feb Mar Apr May Jun Jul Aug Sep Oct Nov Dec
km/h 11 11 8 11 8 8 8 8 9 12 12 11
mph 7 7 5 7 5 5 5 5 5 7 7 7

A monthly average windspeed of over 16km/h or 10mph suggests a location is fairly windy.

Relative humidity

The graph below shows the average relative humidity.

Saint Petersburg relative humidity averages
Average relative humidity in Saint Petersburg
Jan Feb Mar Apr May Jun Jul Aug Sep Oct Nov Dec
98% 95% 83% 70% 64% 67% 72% 77% 81% 86% 91% 96%
Saint Petersburg

Other monthly averages

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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
Warmest sea: August 15.3°C 59.5°F
Map showing location of Saint Petersburg (59.89444, 30.26417)

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