Allentown: Geography and Climate

Allentown, Pennsylvania, Climate:

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Allentown has a variable climate that may feature periods of bitterly cold weather during the winter and warm, humid summers. Winter high temperatures average in the mid- to upper 30s and lows average in the high teens to low 20s. An average of 32.4 inches of snow falls in Allentown each year. Summer daytime high temperatures average in the low to mid-80s, while evenings cool down to near 60 degrees. May the wettest month in Allentown; February is the driest.

Average Temperatures & Precipitation

Temperatures

	JAN	FEB	MAR	APR	MAY	JUN	JUL	AUG	SEP	OCT	NOV	DEC
High	35	39	49	60	71	79	84	82	74	63	51	40
Low	19	21	29	38	48	58	63	61	53	41	33	24

Precipitation

	JAN	FEB	MAR	APR	MAY	JUN	JUL	AUG	SEP	OCT	NOV	DEC
Inches	3.5	2.8	3.6	3.5	4.5	4	4.3	4.4	4.4	3.3	3.7	3.4

Air Quality Index (AQI)

Days Recorded (2008): 306
Median AQI: 40
Days in Good Range: 0.69
Days in Moderate Range: 0.28
Days in Unhealthy Range (Sensitive Groups): 0.03
Days in Unhealthy Range: 0

Air Quality Index (AQI)

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