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Climate & Weather Averages in Harrisburg, Pennsylvania, USA

Currently: 85 °F. Passing clouds. (Weather station: Capital City Airport, USA). See more current weather

Annual Weather Averages Near Harrisburg

Averages are for Capital City Airport, which is 4 miles from Harrisburg.

Based on weather reports collected during 2012–2021.

All Year Climate & Weather Averages in Harrisburg

High Temp: 81 °F

Low Temp: 21 °F

Mean Temp: 51 °F

Precipitation: 4.13"

Humidity: 62%

Dew Point: 42 °F

Wind: 11 mph

Pressure: 30.05 "Hg

Visibility: 9 mi

January Climate & Weather Averages in Harrisburg

High Temp: 39 °F

Low Temp: 21 °F

Mean Temp: 30 °F

Precipitation: 3.85"

Humidity: 62%

Dew Point: 20 °F

Wind: 13 mph

Pressure: 30.11 "Hg

Visibility: 8 mi

February Climate & Weather Averages in Harrisburg

High Temp: 40 °F

Low Temp: 22 °F

Mean Temp: 31 °F

Precipitation: 4.32"

Humidity: 60%

Dew Point: 22 °F

Wind: 12 mph

Pressure: 30.09 "Hg

Visibility: 8 mi

March Climate & Weather Averages in Harrisburg

High Temp: 46 °F

Low Temp: 28 °F

Mean Temp: 37 °F

Precipitation: 4.50"

Humidity: 54%

Dew Point: 26 °F

Wind: 14 mph

Pressure: 30.09 "Hg

Visibility: 9 mi

April Climate & Weather Averages in Harrisburg

High Temp: 56 °F

Low Temp: 37 °F

Mean Temp: 46 °F

Precipitation: 4.48"

Humidity: 53%

Dew Point: 36 °F

Wind: 14 mph

Pressure: 30.00 "Hg

Visibility: 9 mi

May Climate & Weather Averages in Harrisburg

High Temp: 67 °F

Low Temp: 47 °F

Mean Temp: 57 °F

Precipitation: 3.64"

Humidity: 63%

Dew Point: 51 °F

Wind: 12 mph

Pressure: 30.02 "Hg

Visibility: 9 mi

June Climate & Weather Averages in Harrisburg

High Temp: 75 °F

Low Temp: 56 °F

Mean Temp: 65 °F

Precipitation: 3.87"

Humidity: 63%

Dew Point: 59 °F

Wind: 11 mph

Pressure: 29.96 "Hg

Visibility: 9 mi

July Climate & Weather Averages in Harrisburg

High Temp: 81 °F

Low Temp: 63 °F

Mean Temp: 72 °F

Precipitation: 3.42"

Humidity: 64%

Dew Point: 64 °F

Wind: 10 mph

Pressure: 29.98 "Hg

Visibility: 9 mi

August Climate & Weather Averages in Harrisburg

High Temp: 80 °F

Low Temp: 61 °F

Mean Temp: 70 °F

Precipitation: 3.27"

Humidity: 67%

Dew Point: 63 °F

Wind: 9 mph

Pressure: 30.01 "Hg

Visibility: 9 mi

September Climate & Weather Averages in Harrisburg

High Temp: 74 °F

Low Temp: 54 °F

Mean Temp: 64 °F

Precipitation: 3.66"

Humidity: 67%

Dew Point: 57 °F

Wind: 9 mph

Pressure: 30.08 "Hg

Visibility: 9 mi

October Climate & Weather Averages in Harrisburg

High Temp: 65 °F

Low Temp: 45 °F

Mean Temp: 55 °F

Precipitation: 4.77"

Humidity: 68%

Dew Point: 48 °F

Wind: 10 mph

Pressure: 30.06 "Hg

Visibility: 9 mi

November Climate & Weather Averages in Harrisburg

High Temp: 52 °F

Low Temp: 32 °F

Mean Temp: 42 °F

Precipitation: 4.33"

Humidity: 60%

Dew Point: 31 °F

Wind: 11 mph

Pressure: 30.14 "Hg

Visibility: 9 mi

December Climate & Weather Averages in Harrisburg

High Temp: 45 °F

Low Temp: 28 °F

Mean Temp: 36 °F

Precipitation: 5.44"

Humidity: 66%

Dew Point: 28 °F

Wind: 11 mph

Pressure: 30.11 "Hg

Visibility: 8 mi

Quick Climate Info

Hottest MonthJuly (72 °F avg)
Coldest MonthJanuary (30 °F avg)
Wettest MonthDecember (5.44" avg)
Windiest MonthMarch (14 mph avg)
Annual precip.49.53" (per year)

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