Portsmouth, Virginia has a humid subtropical climate with hot, humid summers and mild winters. The months of June through August are the hottest and most humid times of the year with temperatures frequently reaching well into the triple digits. Winters are much milder with temperatures rarely dipping below freezing. Rainfall occurs throughout the year with an average annual total of 47 inches. Snowfall is rare in Portsmouth, but it does happen on occasion.
Portsmouth (zip 23707), Virginia gets 47 inches of rain, on average, per year. The US average is 38 inches of rain per year.
Portsmouth (zip 23707) averages 5 inches of snow per year. The US average is 28 inches of snow per year.
On average, there are 213 sunny days per year in Portsmouth (zip 23707). The US average is 205 sunny days.
Portsmouth (zip 23707) gets some kind of precipitation, on average, 116 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 88 degrees
Winter Low: the January low is 33
Rain: averages 47 inches of rain a year
Snow: averages 5 inches of snow a year