Experience Allentown, Bethlehem and Easton, PA LehighValleyPA.org.
 

Weather

Climate in the Lehigh Valley is temperate, which means that it experiences four distinct seasons. Winter tends to be cold and snowy, followed by spring before the warm summer months set in. Crisp, sunny fall days can be enjoyed from September through November.

Current conditions and forecast

Monthly Averages for Lehigh Valley, PA

Month

Avg.
High

Avg.
Low

Mean

Avg.
Percip

Record
High

Record
Low

January35°F19°F27°F3.50 in.72°F (1950)-16°F (1912)
February39°F21°F30°F2.75 in.76°F (1985)-13°F (1934)
March49°F 29°F 39°F 3.56 in.86°F (1998)-1°F (1967)
April60°F 38°F 49°F 3.49 in.94°F (1915)16°F (1982)
May71°F 48°F 60°F 4.47 in.97°F (1962)29°F (1996)
June79°F 58°F 69°F 3.99 in.100°F (1966)39°F (1972)
July84°F 63°F 73°F 4.27 in.105°F (1966)46°F (2001)
August82°F 61°F 71°F4.35 in.105°F (1918)41°F (1986)
September74°F 53°F 63°F 4.37 in.101°F (1932)31°F (1963)
October63°F 41°F 52°F 3.33 in.94°F (1941)19°F (1921)
November51°F 33°F 42°F 3.70 in.81°F (1950)10°F (1929)
December40°F 24°F 32°F 3.39 in.72°F (1984)-9°F (1917)

 

Weather Facts for Lehigh Valley, PA

  • On average, the warmest month is July.
  • The highest recorded temperature was 105°F in 1966.
  • On average, the coolest month is January.
  • The lowest recorded temperature was -16°F in 1912.
  • The maximum average precipitation occurs in May.

*All information above is taken from http://www.weather.com/

 

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