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Climate & Weather Averages in Harrisburg, Pennsylvania, USA

Currently: 16 °C. Overcast. (Weather station: Capital City Airport, USA). See more current weather

Annual Weather Averages Near Harrisburg

Averages are for Capital City Airport, which is 6 kilometers from Harrisburg.

Based on weather reports collected during 2012–2021.

All Year Climate & Weather Averages in Harrisburg

High Temp: 27 °C

Low Temp: -6 °C

Mean Temp: 10 °C

Precipitation: 104.8 mm

Humidity: 62%

Dew Point: 6 °C

Wind: 18 km/h

Pressure: 101.78 kPa

Visibility: 14 km

January Climate & Weather Averages in Harrisburg

High Temp: 4 °C

Low Temp: -6 °C

Mean Temp: -1 °C

Precipitation: 97.8 mm

Humidity: 62%

Dew Point: -7 °C

Wind: 20 km/h

Pressure: 101.97 kPa

Visibility: 14 km

February Climate & Weather Averages in Harrisburg

High Temp: 4 °C

Low Temp: -6 °C

Mean Temp: -1 °C

Precipitation: 109.6 mm

Humidity: 60%

Dew Point: -6 °C

Wind: 20 km/h

Pressure: 101.91 kPa

Visibility: 14 km

March Climate & Weather Averages in Harrisburg

High Temp: 8 °C

Low Temp: -2 °C

Mean Temp: 3 °C

Precipitation: 114.4 mm

Humidity: 54%

Dew Point: -3 °C

Wind: 23 km/h

Pressure: 101.90 kPa

Visibility: 14 km

April Climate & Weather Averages in Harrisburg

High Temp: 13 °C

Low Temp: 3 °C

Mean Temp: 8 °C

Precipitation: 113.7 mm

Humidity: 53%

Dew Point: 2 °C

Wind: 23 km/h

Pressure: 101.58 kPa

Visibility: 15 km

May Climate & Weather Averages in Harrisburg

High Temp: 19 °C

Low Temp: 8 °C

Mean Temp: 14 °C

Precipitation: 92.3 mm

Humidity: 63%

Dew Point: 10 °C

Wind: 19 km/h

Pressure: 101.67 kPa

Visibility: 14 km

June Climate & Weather Averages in Harrisburg

High Temp: 24 °C

Low Temp: 13 °C

Mean Temp: 18 °C

Precipitation: 98.3 mm

Humidity: 63%

Dew Point: 15 °C

Wind: 18 km/h

Pressure: 101.46 kPa

Visibility: 15 km

July Climate & Weather Averages in Harrisburg

High Temp: 27 °C

Low Temp: 17 °C

Mean Temp: 22 °C

Precipitation: 86.8 mm

Humidity: 64%

Dew Point: 18 °C

Wind: 16 km/h

Pressure: 101.52 kPa

Visibility: 15 km

August Climate & Weather Averages in Harrisburg

High Temp: 27 °C

Low Temp: 16 °C

Mean Temp: 21 °C

Precipitation: 83.0 mm

Humidity: 67%

Dew Point: 17 °C

Wind: 14 km/h

Pressure: 101.64 kPa

Visibility: 15 km

September Climate & Weather Averages in Harrisburg

High Temp: 23 °C

Low Temp: 12 °C

Mean Temp: 18 °C

Precipitation: 92.9 mm

Humidity: 67%

Dew Point: 14 °C

Wind: 15 km/h

Pressure: 101.85 kPa

Visibility: 15 km

October Climate & Weather Averages in Harrisburg

High Temp: 18 °C

Low Temp: 7 °C

Mean Temp: 13 °C

Precipitation: 121.3 mm

Humidity: 68%

Dew Point: 9 °C

Wind: 17 km/h

Pressure: 101.79 kPa

Visibility: 14 km

November Climate & Weather Averages in Harrisburg

High Temp: 11 °C

Low Temp: 0 °C

Mean Temp: 6 °C

Precipitation: 109.9 mm

Humidity: 60%

Dew Point: -1 °C

Wind: 18 km/h

Pressure: 102.08 kPa

Visibility: 15 km

December Climate & Weather Averages in Harrisburg

High Temp: 7 °C

Low Temp: -2 °C

Mean Temp: 2 °C

Precipitation: 138.1 mm

Humidity: 66%

Dew Point: -2 °C

Wind: 18 km/h

Pressure: 101.96 kPa

Visibility: 13 km

Quick Climate Info

Hottest Month July (22 °C avg)
Coldest Month January (-1 °C avg)
Wettest Month December (138.1 mm avg)
Windiest Month March (23 km/h avg)
Annual precip. 1258.1 mm (per year)

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