Caernarvon Township is located in Lancaster County, Pennsylvania. There are roughly 4,747 residents, living in 1,464 households. The average temperature for Caernarvon Township this time of the year is low of 49F and high of 71F. On average, Caernarvon Township gets about 4.48 inches of precipitation in May. Most residents are home owners (76%), have a high school diploma (69%) and are married, no kids (41%).
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