Climate in Derry, Pennsylvania

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Climate

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Climate	Derry, PA	United States
Rainfall (in.)	47	36.5
Snowfall (in.)	43.5	25
Precipitation Days	136	100
Sunny Days	164	205
Avg. July High	84	86.5
Avg. Jan. Low	21	20.5
Comfort Index (higher=better)	50	44
UV Index	3.5	4.3
Elevation ft.	1,160	1,060

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Derry, PA, gets 47 inches of rain per year. The US average is 37. Snowfall is 44 inches. The average US city gets 25 inches of snow per year. The number of days with any measurable precipitation is 136.

On average, there are 164 sunny days per year in Derry, PA. The July high is around 84 degrees. The January low is 21. Our comfort index, which is based on humidity during the hot months, is a 50 out of 100, where higher is more comfortable. The US average on the comfort index is 44.

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