Portsmouth
Virginia, USA
Long-term weather forecast
Long-term weather forecast

March weather forecast and climate
Portsmouth, VA

A high view of gold and brown trees and modern and developed buildings in Downtown Portsmouth, Virginia, glorious cloudy sky lighting up the city
A high view of gold and brown trees and modern and developed buildings in Downtown Portsmouth, Virginia, glorious cloudy sky lighting up the city
The first month of the spring, March, is a mild month in Portsmouth, Virginia, with temperature in the range of an average high of 58.3°F (14.6°C) and an average low of 40.5°F (4.7°C).

Temperature

In Portsmouth, the average high-temperature marginally rises, from a cool 50.9°F (10.5°C) in February, to a mild 58.3°F (14.6°C). In Portsmouth, the average low-temperature is 40.5°F (4.7°C).

Humidity

In Portsmouth, the average relative humidity in March is 64.6%.

Rainfall

In Portsmouth, it is raining for 10.6 days, with typically 3.7" (93.5mm) of accumulated precipitation. Throughout the year, in Portsmouth, Virginia, there are 117 rainfall days, and 46.5" (1181.9mm) of precipitation is accumulated.

Snowfall

Months with snowfall in Portsmouth are January through March and December.

Ocean temperature

In Portsmouth, Virginia, the average seawater temperature in March is 47.1°F (8.4°C). Swimming in 47.1°F (8.4°C) is considered dangerous. Unprotected immersion in temperatures below 50°F (10°C) causes quickly maximum intensity cold shock with hyperventilation.

Daylight

In March, the average length of the day in Portsmouth, Virginia, is 12h.

Sunshine

In Portsmouth, the average sunshine in March is 7.4h.

What is the temperature in March in Portsmouth?

In Portsmouth, Virginia, in March, the average high-temperature is 58.3°F (14.6°C), and the average low-temperature is 40.5°F (4.7°C).

What is the average humidity in March in Portsmouth?

In March, the average relative humidity in Portsmouth, Virginia, is 64.6%.

How much does it rain in Portsmouth in March?

In March, the rain falls for 10.6 days. Throughout March, 3.7" (93.5mm) of precipitation is accumulated.

What is the last month it snows in Portsmouth?

March is the last month it regularly snows in Portsmouth. During 0.4 snowfall days, in March, Portsmouth aggregates 0.2" (5.1mm) of snow.

What is the water temperature in March in Portsmouth?

In Portsmouth, Virginia, in March, the average water temperature is 47.1°F (8.4°C). Swimming in 47.1°F (8.4°C) is considered dangerous. Unprotected immersion in temperatures below 50°F (10°C) causes quickly maximum intensity cold shock with hyperventilation.

What is the average length of the day in March in Portsmouth?

In March, the average length of the day in Portsmouth, Virginia, is 12h.

How long on average sun shines in March in Portsmouth?

The average sunshine in March in Portsmouth is 7.4h.
Average temperature in March - Portsmouth, VA
  • Average high temperature in March: 58.2°F

The warmest month (with the highest average high temperature) is July (87.4°F).
The month with the lowest average high temperature is January (48.1°F).

  • Average low temperature in March: 40.5°F

The month with the highest average low temperature is July (71.9°F).
The coldest month (with the lowest average low temperature) is January (32.7°F).

Average humidity in March - Portsmouth, VA
  • Average humidity in March: 64.6%

The month with the highest relative humidity is August (75.2%).
The month with the lowest relative humidity is April (62.8%).

Average rainfall in March - Portsmouth, VA
  • Average rainfall in March: 3.7"

The wettest month (with the highest rainfall) is August (5.5").
The driest month (with the lowest rainfall) is February (3.1").

Average rainfall days in March - Portsmouth, VA
  • Average rainfall days in March: 10.6 days

The month with the highest number of rainy days is July (11.1 days).
The month with the lowest number of rainy days is October (7.6 days).

Average snowfall in March - Portsmouth, VA
  • Average snowfall in March: 0.2"

The month with the highest snowfall is January (2.4").
Months with the lowest snowfall are April, May, June, July, August, September, October and November (0").

Average snowfall days in March - Portsmouth, VA
  • Average snowfall days in March: 0.4 days

The month with the highest number of snowfall days is January (1.6 days).
Months with the lowest number of snowfall days are May, June, July, August, September, October and November (0 days).

Average sea temperature in March - Portsmouth, VA
  • Average sea temperature in March: 47.2°F

The best month for swimming (with the highest average sea temperature) is August (80°F).
The coldest month (with the lowest average sea temperature) is February (44.5°F).

Average daylight in March / Average sunshine in March - Portsmouth, VA
  • Average daylight in March: 12h

The month with the longest days is June (Average daylight: 14.7h).
The month with shortest days is December (Average daylight: 9.7h).

  • Average sunshine in March: 7.4h

The month with most sunshine is June (Average sunshine: 9.3h).
The month with least sunshine is December (Average sunshine: 5.2h).