Bethlehem, PA has a humid continental type of climate, with four distinct seasons. In the summer months, temperatures can reach into the high 80s and low 90s Fahrenheit, while in the winter months temperatures usually range from the low 20s to 30s Fahrenheit. On average, Bethlehem receives 39 inches of rain per year and 56 inches of snow each winter. Winters are typically cold and snowy while summers can be hot and humid. Spring and fall tend to be mild with warm days and cool nights. Overall, Bethlehem's climate is characterized by hot summers and cold winters with plenty of precipitation throughout the year.
Bethlehem, Pennsylvania gets 48 inches of rain, on average, per year. The US average is 38 inches of rain per year.
Bethlehem averages 30 inches of snow per year. The US average is 28 inches of snow per year.
On average, there are 202 sunny days per year in Bethlehem. The US average is 205 sunny days.
Bethlehem gets some kind of precipitation, on average, 120 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 84 degrees
Winter Low: the January low is 19
Rain: averages 48 inches of rain a year
Snow: averages 30 inches of snow a year