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Climate & Weather Averages in Allentown, Pennsylvania, USA

Currently: -1 °C. Sunny. (Weather station: Lehigh Valley International Airport, USA). See more current weather

Annual Weather Averages Near Allentown

Averages are for Lehigh Valley International Airport, which is 6 kilometers from Allentown.

Based on weather reports collected during 1992–2021.

All Year Climate & Weather Averages in Allentown

High Temp: 30 °C

Low Temp: -6 °C

Mean Temp: 11 °C

Precipitation: 100.9 mm

Humidity: 67%

Dew Point: 5 °C

Wind: 18 km/h

Pressure: 1018 mbar

Visibility: 14 km

一月 Climate & Weather Averages in Allentown

High Temp: 3 °C

Low Temp: -6 °C

Mean Temp: -1 °C

Precipitation: 82.5 mm

Humidity: 67%

Dew Point: -7 °C

Wind: 20 km/h

Pressure: 1019 mbar

Visibility: 14 km

二月 Climate & Weather Averages in Allentown

High Temp: 5 °C

Low Temp: -5 °C

Mean Temp: 0 °C

Precipitation: 73.8 mm

Humidity: 63%

Dew Point: -7 °C

Wind: 21 km/h

Pressure: 1019 mbar

Visibility: 14 km

三月 Climate & Weather Averages in Allentown

High Temp: 10 °C

Low Temp: -1 °C

Mean Temp: 4 °C

Precipitation: 92.1 mm

Humidity: 59%

Dew Point: -3 °C

Wind: 22 km/h

Pressure: 1018 mbar

Visibility: 15 km

四月 Climate & Weather Averages in Allentown

High Temp: 17 °C

Low Temp: 4 °C

Mean Temp: 10 °C

Precipitation: 91.2 mm

Humidity: 58%

Dew Point: 2 °C

Wind: 21 km/h

Pressure: 1016 mbar

Visibility: 15 km

五月 Climate & Weather Averages in Allentown

High Temp: 22 °C

Low Temp: 10 °C

Mean Temp: 16 °C

Precipitation: 94.2 mm

Humidity: 65%

Dew Point: 9 °C

Wind: 18 km/h

Pressure: 1016 mbar

Visibility: 15 km

六月 Climate & Weather Averages in Allentown

High Temp: 27 °C

Low Temp: 15 °C

Mean Temp: 21 °C

Precipitation: 114.1 mm

Humidity: 68%

Dew Point: 15 °C

Wind: 16 km/h

Pressure: 1015 mbar

Visibility: 14 km

七月 Climate & Weather Averages in Allentown

High Temp: 30 °C

Low Temp: 18 °C

Mean Temp: 24 °C

Precipitation: 134.3 mm

Humidity: 68%

Dew Point: 18 °C

Wind: 14 km/h

Pressure: 1015 mbar

Visibility: 14 km

八月 Climate & Weather Averages in Allentown

High Temp: 29 °C

Low Temp: 17 °C

Mean Temp: 23 °C

Precipitation: 118.6 mm

Humidity: 71%

Dew Point: 17 °C

Wind: 12 km/h

Pressure: 1016 mbar

Visibility: 14 km

九月 Climate & Weather Averages in Allentown

High Temp: 25 °C

Low Temp: 13 °C

Mean Temp: 19 °C

Precipitation: 126.6 mm

Humidity: 72%

Dew Point: 13 °C

Wind: 14 km/h

Pressure: 1018 mbar

Visibility: 15 km

十月 Climate & Weather Averages in Allentown

High Temp: 18 °C

Low Temp: 6 °C

Mean Temp: 12 °C

Precipitation: 106.7 mm

Humidity: 71%

Dew Point: 7 °C

Wind: 16 km/h

Pressure: 1019 mbar

Visibility: 15 km

十一月 Climate & Weather Averages in Allentown

High Temp: 12 °C

Low Temp: 0 °C

Mean Temp: 6 °C

Precipitation: 82.0 mm

Humidity: 68%

Dew Point: 0 °C

Wind: 17 km/h

Pressure: 1020 mbar

Visibility: 15 km

十二月 Climate & Weather Averages in Allentown

High Temp: 6 °C

Low Temp: -3 °C

Mean Temp: 1 °C

Precipitation: 95.1 mm

Humidity: 70%

Dew Point: -4 °C

Wind: 18 km/h

Pressure: 1019 mbar

Visibility: 14 km

Quick Climate Info

Hottest Month七月 (24 °C avg)
Coldest Month一月 (-1 °C avg)
Wettest Month七月 (134.3 mm avg)
Windiest Month三月 (22 km/h avg)
Annual precip.1211.2 mm (per year)

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