Cromwell, Pennsylvania gets 39 inches of rain, on average, per year. The US average is 38 inches of rain per year.
Cromwell averages 25 inches of snow per year. The US average is 28 inches of snow per year.
On average, there are 195 sunny days per year in Cromwell. The US average is 205 sunny days.
Cromwell gets some kind of precipitation, on average, 122 days per year. Precipitation is rain, snow, sleet, or hail that falls to the ground. In order for precipitation to be counted you have to get at least .01 inches on the ground to measure.
Summer High: the July high is around 84 degrees
Winter Low: the January low is 20
Rain: averages 39 inches of rain a year
Snow: averages 25 inches of snow a year
BESTPLACES COMFORT INDEX
The annual BestPlaces Comfort Index for Cromwell is 7.1 (10=best), which means it is more comfortable than most places in Pennsylvania.
7.1 / 10
June, September and August are the most pleasant months in Cromwell, while January and February are the least comfortable months.