Chambersburg (PA) monthly weather averages

Average daytime temperature

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

Chambersburg average temperature chart (Celsius) Chambersburg average temperature chart (Fahrenheit)
Average monthly temperatures in Chambersburg (degrees centigrade and fahrenheit)
  Jan Feb Mar Apr May Jun Jul Aug Sep Oct Nov Dec
°C 1.7 3.6 9.7 16.1 21.8 26.5 28.7 27.9 23.8 17.4 10.8 4.2
°F 35.1 38.4 49.5 60.9 71.3 79.8 83.7 82.2 74.9 63.3 51.4 39.5

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.

Chambersburg monthly rainfall chart (mm) Chambersburg monthly rainfall chart (inches)
Average monthly rainfall in Chambersburg (mm and inches)
  Jan Feb Mar Apr May Jun Jul Aug Sep Oct Nov Dec
mm 73 70 91 87 98 101 89 88 86 78 88 83
inches 2.9 2.8 3.6 3.4 3.9 4 3.5 3.5 3.4 3.1 3.5 3.3
Rainy days 12 11 12 12 13 11 11 11 9 9 11 12

Average annual rainfall in Chambersburg: 994.134mm (391.4 inches)

Average daily sunshine

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

Chambersburg average daily sunshine chart
Average daily sunshine Chambersburg
  Jan Feb Mar Apr May Jun Jul Aug Sep Oct Nov Dec
Hrs sunshine 4.9 5.7 6.8 7.9 8.7 9.8 9.9 9.1 7.7 6.6 4.7 4.1

Day / night temperatures

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

Chambersburg average minimum / maximum temperatures (Celsius) Chambersburg average minimum / maximum temperatures (Fahrenheit)
Maximum and minimum daily temperatures in Chambersburg (degrees centigrade and fahrenheit)
  Jan Feb Mar Apr May Jun Jul Aug Sep Oct Nov Dec
Min °C -7.2 -6 -1.2 3.9 9.3 14 16.4 15.4 11.5 5.1 0.8 -4.4
Max °C 2 3.8 10 16.4 22.2 26.9 29 28.2 24.2 17.7 11.1 4.4
Min °F 19.1 21.2 29.8 38.9 48.7 57.1 61.5 59.7 52.6 41.2 33.4 24.1
Max °F 27.3 30 39.9 50.2 60.3 68.7 72.9 71.2 64 52.5 42.6 32

Sea temperature

The graph below shows the average sea temperature.

Chambersburg average sea temperature chart (Celsius) Chambersburg average sea temperature chart (Fahrenheit)
Average sea temperature around Chambersburg in degrees centigrade and fahrenheit
  Jan Feb Mar Apr May Jun Jul Aug Sep Oct Nov Dec
°C 2.7 1 1.6 5 10.3 17 22.3 23.6 21.4 16.6 11.2 6.3
°F 36.8 33.8 35 41 50.5 62.6 72.2 74.6 70.6 61.8 52.2 43.4

Wind speed

The graph below shows the average wind speed.

Chambersburg average winspeed by month (km/h) Chambersburg average winspeed by month (mph)
Average wind speed in Chambersburg (mph and kmh)
  Jan Feb Mar Apr May Jun Jul Aug Sep Oct Nov Dec
km/h 16 16 17 16 14 13 12 11 12 13 15 15
mph 10 10 10 10 9 8 7 7 7 8 9 9

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.

Chambersburg relative humidity averages
Average relative humidity in Chambersburg
Jan Feb Mar Apr May Jun Jul Aug Sep Oct Nov Dec
67% 65% 63% 61% 67% 70% 71% 74% 75% 72% 70% 69%

Other monthly averages

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Chambersburg weather stats

Chambersburg weather statistics
Hottest month: July 28.7°C 83.7°F
Driest month: February 70mm 2.8ins
Sunniest month: July 9.9hrs
Coldest month: January 1.7°C 35.1°F
Wettest month: June 101mm 4ins
Warmest sea: August 23.6°C 74.5°F
Map showing location of Chambersburg (39.93759, -77.6611) Chambersburg map pin © Google

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