Portsmouth, VA has a humid subtropical climate, with warm and humid summers, and mild and wet winters. The seasonal temperatures in the city range from an average low of 34°F in winter to a high of 88°F in summer. Rainfall in Portsmouth is abundant throughout the year with an average precipitation of about 43 inches per year. Summer months bring thunderstorms with frequent lightning, while winter months tend to be cloudy and damp. Snowfall is very rare but can occur during winter months.
Portsmouth, Virginia gets 47 inches of rain, on average, per year. The US average is 38 inches of rain per year.
Portsmouth averages 5 inches of snow per year. The US average is 28 inches of snow per year.
On average, there are 217 sunny days per year in Portsmouth. The US average is 205 sunny days.
Portsmouth gets some kind of precipitation, on average, 115 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