Northumberland County, Pennsylvania gets 44 inches of rain, on average, per year. The US average is 38 inches of rain per year.
Northumberland County averages 32 inches of snow per year. The US average is 28 inches of snow per year.
On average, there are 184 sunny days per year in Northumberland County. The US average is 205 sunny days.
Northumberland County gets some kind of precipitation, on average, 125 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 18
Rain: averages 44 inches of rain a year
Snow: averages 32 inches of snow a year
BESTPLACES COMFORT INDEX
The annual BestPlaces Comfort Index for Northumberland County is 7.0 (10=best), which means it is more comfortable than most places in Pennsylvania.
7 / 10
June, August and September are the most pleasant months in Northumberland County, while January and February are the least comfortable months.