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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
January 35°F 19°F 27°F 3.50 in. 72°F (1950) -16°F (1912) February 39°F 21°F 30°F 2.75 in. 76°F (1985) -13°F (1934) March 49°F 29°F 39°F 3.56 in. 86°F (1998) -1°F (1967) April 60°F 38°F 49°F 3.49 in. 94°F (1915) 16°F (1982) May 71°F 48°F 60°F 4.47 in. 97°F (1962) 29°F (1996) June 79°F 58°F 69°F 3.99 in. 100°F (1966) 39°F (1972) July 84°F 63°F 73°F 4.27 in. 105°F (1966) 46°F (2001) August 82°F 61°F 71°F 4.35 in. 105°F (1918) 41°F (1986) September 74°F 53°F 63°F 4.37 in. 101°F (1932) 31°F (1963) October 63°F 41°F 52°F 3.33 in. 94°F (1941) 19°F (1921) November 51°F 33°F 42°F 3.70 in. 81°F (1950) 10°F (1929) December 40°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/