Petersburg (IN) monthly weather averages

Contents

Average daytime temperature

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

Petersburg average temperature chart (Celsius) Petersburg average temperature chart (Fahrenheit)
Average monthly temperatures in Petersburg (degrees centigrade and fahrenheit)
  Jan Feb Mar Apr May Jun Jul Aug Sep Oct Nov Dec
°C 3.3 6.2 12.8 19.2 24.4 29.3 30.9 30 26.5 20.3 12.8 6
°F 37.9 43.2 55.1 66.6 75.9 84.7 87.6 85.9 79.8 68.6 55 42.9

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.

Petersburg monthly rainfall chart (mm) Petersburg monthly rainfall chart (inches)
Average monthly rainfall in Petersburg (mm and inches)
  Jan Feb Mar Apr May Jun Jul Aug Sep Oct Nov Dec
mm 70 77 122 106 137 100 121 98 74 80 103 98
inches 2.7 3 4.8 4.2 5.4 3.9 4.7 3.9 2.9 3.2 4.1 3.8
Rainy days 10 10 12 12 11 9 9 8 8 8 10 11

Average annual rainfall in Petersburg: 1136.867mm (447.6 inches)

Average daily sunshine

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

Petersburg average daily sunshine chart
Average daily sunshine Petersburg
  Jan Feb Mar Apr May Jun Jul Aug Sep Oct Nov Dec
Hrs sunshine 5.1 5.7 6.8 8.1 9.5 11 10.8 10.2 8.8 7.6 5.1 4.4

Day / night temperatures

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

Petersburg average minimum / maximum temperatures (Celsius) Petersburg average minimum / maximum temperatures (Fahrenheit)
Maximum and minimum daily temperatures in Petersburg (degrees centigrade and fahrenheit)
  Jan Feb Mar Apr May Jun Jul Aug Sep Oct Nov Dec
Min °C -6.1 -4.1 1.7 6.9 11.9 16.8 19 17.8 14.2 7.4 2.6 -3.1
Max °C 3.5 6.5 13.1 19.6 24.7 29.6 31.2 30.3 26.9 20.7 13.1 6.3
Min °F 21 24.7 35.1 44.3 53.4 62.2 66.2 64 57.5 45.2 36.6 26.5
Max °F 29.7 34.2 45.3 55.8 64.9 73.8 77.2 75.2 68.9 57.2 46 34.9

Sea temperature

The graph below shows the average sea temperature.

Petersburg average sea temperature chart (Celsius) Petersburg average sea temperature chart (Fahrenheit)
Average sea temperature around Petersburg in degrees centigrade and fahrenheit
  Jan Feb Mar Apr May Jun Jul Aug Sep Oct Nov Dec
°C 9 8.4 8.6 10 12.7 17.1 21.8 23.8 22.1 17.5 13.5 10.7
°F 48.3 47 47.5 49.9 54.8 62.8 71.2 74.9 71.8 63.6 56.3 51.2

Wind speed

The graph below shows the average wind speed.

Petersburg average winspeed by month (km/h) Petersburg average winspeed by month (mph)
Average wind speed in Petersburg (mph and kmh)
  Jan Feb Mar Apr May Jun Jul Aug Sep Oct Nov Dec
km/h 17 17 18 17 14 13 11 11 12 13 16 16
mph 10 10 11 11 9 8 7 7 7 8 10 10

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.

Petersburg relative humidity averages
Average relative humidity in Petersburg
Jan Feb Mar Apr May Jun Jul Aug Sep Oct Nov Dec
72% 71% 68% 65% 68% 68% 71% 73% 73% 70% 72% 74%

Other monthly averages

UV index Best time to go?

Beta

Current (hourly) weather 15 day forecast

Petersburg weather stats

Petersburg weather statistics
Hottest month: July 30.9°C 87.6°F
Driest month: January 70mm 2.8ins
Sunniest month: June 11hrs
Coldest month: January 3.3°C 37.9°F
Wettest month: May 137mm 5.4ins
Warmest sea: August 23.8°C 74.8°F
Map showing location of Petersburg (38.49199, -87.27862) Petersburg map pin © Google

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