New Castle Northwest, PA has a humid continental climate that experiences four distinct seasons. Summers are generally warm and humid with temperatures usually between 70-85 degrees Fahrenheit. Winters tend to be cold and snowy with temperatures often dropping below freezing. Spring and fall bring pleasant weather to the area with temperatures ranging from 40-65 degrees Fahrenheit. Rainfall is common throughout the year but especially during the spring and summer months when thunderstorms are frequent due to the hot, humid conditions.
New Castle Northwest, Pennsylvania gets 42 inches of rain, on average, per year. The US average is 38 inches of rain per year.
New Castle Northwest averages 37 inches of snow per year. The US average is 28 inches of snow per year.
On average, there are 161 sunny days per year in New Castle Northwest. The US average is 205 sunny days.
New Castle Northwest gets some kind of precipitation, on average, 154 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.
Weather Highlights
Summer High: the July high is around 83 degrees
Winter Low: the January low is 18
Rain: averages 42 inches of rain a year
Snow: averages 37 inches of snow a year