Portsmouth City County, VA Climate

Portsmouth, VA County boasts a humid subtropical climate with mild winters and hot, humid summers. Winters are generally mild with average temperatures ranging from the mid-30s to the upper 50s Fahrenheit and rarely dipping below freezing. Snowfall is minimal, usually around an inch or two each season. Summers are hot and humid with temperatures often reaching into the 90s and occasionally even higher. Precipitation is fairly consistent throughout the year with March, April, May, August and October typically being some of the wettest months.

Portsmouth City County, Virginia gets 47 inches of rain, on average, per year. The US average is 38 inches of rain per year.

Portsmouth City County 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 City County. The US average is 205 sunny days.

Portsmouth City County 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

Bestplaces Comfort Index

The annual BestPlaces Comfort Index for Portsmouth city County is 7.4 (10=best), which means it is more comfortable than most places in Virginia.

6.5 Summer - 6.7 Winter

May, October and September are the most pleasant months in Portsmouth city County, while July and January are the least comfortable months.

Climate	Portsmouth City, Virginia	United States
	47.4 in.	38.1 in.
	5.1 in.	27.8 in.
	115.3 days	106.2 days
	213 days	205 days
	88.3°	85.8°
	33.4°	21.7°
	7.4	7
	4.3	4.3
	8 ft.	2443 ft.

Climate

YOU SHOULD KNOW

Many people confuse weather and climate but they are different. Weather is the conditions of the atmosphere over a short period of time, and climate is how the atmosphere is over long periods of time.

Weather is how the atmosphere is behaving and its effects upon life and human activities. Weather can change from minute-to-minute. Most people think of weather in terms of temperature, humidity, precipitation, cloudiness, brightness, visibility, wind, and atmospheric pressure.

Climate is the description of the long-term pattern of weather in a place. Climate can mean the average weather for a particular region and time period taken over 30 years. Climate is the average of weather over time.

July is the hottest month for Portsmouth city County with an average high temperature of 88.3°, which ranks it as warmer than most places in Virginia. In Portsmouth city County, there are 4 comfortable months with high temperatures in the range of 70-85°. The most pleasant months of the year for Portsmouth city County are May, September and June.

In Portsmouth city County, there are 30.1 days annually when the high temperature is over 90°, which is hotter than most places in Virginia.

January has the coldest nighttime temperatures for Portsmouth city County with an average of 33.4°. This is one of the warmest places in Virginia.

In Portsmouth city County, there are 39.3 days annually when the nighttime low temperature falls below freezing, which is one of the warmest places in Virginia.

In Portsmouth city County, there are 0.0 days annually when the nighttime low temperature falls below zero°, which is warmer than most places in Virginia.

Humidity in Portsmouth city County can be uncomfortable during the summer, but comfortable for most of the year. The most uncomfortably humid months are July, August and June. The humid season runs from June-September and the most comfortable months are October-May.

August is the wettest month in Portsmouth city County with 5.9 inches of rain, and the driest month is February with 3.1 inches. The wettest season is Autumn with 32% of yearly precipitation and 21% occurs in Spring, which is the driest season. The annual rainfall of 47.4 inches in Portsmouth city County means that it is one of the wettest places in Virginia.

July is the rainiest month in Portsmouth city County with 11.0 days of rain, and October is the driest month with only 7.4 rainy days. There are 115.3 rainy days annually in Portsmouth city County, which is about average compared to other places in Virginia. The rainiest season is Summer when it rains 27% of the time and the driest is Winter with only a 21% chance of a rainy day.

An annual snowfall of 5.1 inches in Portsmouth city County means that it is one of the least snowy places in Virginia. February is the snowiest month in Portsmouth city County with 2.4 inches of snow, and 3 months of the year have significant snowfall.

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