Portsmouth, VA is located in the humid subtropical climate zone, which means hot and humid summers. The average high temperature in July is 87 degrees Fahrenheit (31 degrees Celsius) and the average low is 70 (21 degrees Celsius). Winters are mild with an average high of 53 degrees Fahrenheit (12 degrees Celsius) and an average low of 36 degrees Fahrenheit (2 degrees Celsius). Rainfall is spread throughout the year but tends to peak during late spring and early summer. Snowfall is minimal, usually no more than a few inches per year.
Portsmouth (zip 23704), Virginia gets 47 inches of rain, on average, per year. The US average is 38 inches of rain per year.
Portsmouth (zip 23704) 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 23704). The US average is 205 sunny days.
Portsmouth (zip 23704) 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