Cornwallville is located in Greene County, New York. There are roughly 675 residents, living in 284 households. The average temperature for Cornwallville this time of the year is low of 57F and high of 80F. On average, Cornwallville gets about 3.47 inches of precipitation in July. Most residents are home owners (82%), have a high school diploma (58%) and are single, no kids (41%).
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