Contents
- Weather in March
- Frequently asked questions
- Average temperature in March
- Average pressure in March
- Average wind speed in March
- Average humidity in March
- Average rainfall in March
- Average rainfall days in March
- Average snowfall in March
- Average snowfall days in March
- Average sea temperature in March
- Average daylight in March
- Average sunshine in March
- Average sunshine days in March
- Average UV index in March
- Average cloud cover in March
- Average visibility in March
Weather in March
Temperature
March signifies a subtle uplift in the average high-temperature, adjusting from a frosty 49.1°F (9.5°C) in February to a fresh 54.5°F (12.5°C). An average nighttime temperature of 42.4°F (5.8°C) is witnessed throughout March.Humidity
The average relative humidity in March in Portsmouth is 75%.Rainfall
In March, the rain falls for 13.9 days. Throughout March, 1.34" (34mm) of precipitation is accumulated. In Portsmouth, during the entire year, the rain falls for 151.9 days and collects up to 20.35" (517mm) of precipitation.Snowfall
January through March, November and December are months with snowfall in Portsmouth. March is the last month it regularly snows. During 0.4 snowfall days, in March, Portsmouth aggregates 0.04" (1mm) of snow. Throughout the year, in Portsmouth, there are 5.3 snowfall days, and 1.18" (30mm) of snow is accumulated.Ocean temperature
In Portsmouth, in March, the average water temperature is 47.1°F (8.4°C).Note: Swimming in 47.1°F (8.4°C) feels unbearing at 55.4°F (13°C) and can be life-risking below 50°F (10°C), causing breathing issues and cold shock, depending on a person's capacity.
Daylight
In March, the average length of the day is 11h and 59min.On the first day of the month, sunrise is at 6:34 am and sunset at 5:59 pm EST. On the last day of March, sunrise is at 6:51 am and sunset at 7:27 pm EDT.
Note: On Sunday, March 10. 2024, at 2:00 am, Daylight Saving Time starts, and the time zone changes from EST to EDT. Daylight Saving Time lasts until Sunday, November 3. 2024, at 2:00 am; consequently, the time zone reverts from EDT to EST.
Sunshine
In Portsmouth, the average sunshine in March is 6.9h.UV index
In Portsmouth, the average daily maximum UV index in March is 3. A UV Index of 3 to 5 symbolizes a moderate threat to health from exposure to the Sun's UV radiation for the ordinary person.Note: The UV index of 3 during March leads to these advisories:
Preventative actions are necessary - Suggestions to safeguard against sun damage are in order. UV radiation from the Sun is most dangerous during midday; take precautions and seek shade. A hat with a broad brim is indispensable, filtering out up to half of UV rays. Take note! UV radiation from the Sun can double in intensity due to snow reflection.
Frequently asked questions
What are the temperatures in Portsmouth in March?
What is the average humidity in March in Portsmouth?
How many days does it rain in March in Portsmouth?
What is the last month it snows in Portsmouth?
How cold is the water in March in Portsmouth?
What is the average length of the day in March in Portsmouth?
What time are sunrise and sunset in March in Portsmouth?
When does Daylight Saving Time (DST) start in March in Portsmouth?
How many hours of sunshine does Portsmouth have in March?
What is the UV index intensity in March in Portsmouth?
Average temperature in March
Portsmouth, VA
- Average high temperature in March: 54.5°F
The warmest month (with the highest average high temperature) is July (86.4°F).
The month with the lowest average high temperature is January (45.9°F).
- Average low temperature in March: 42.4°F
The month with the highest average low temperature is July (73.6°F).
The coldest month (with the lowest average low temperature) is January (34.7°F).
Average pressure in March
Portsmouth, VA
- Average pressure in March: 30.08"Hg
The month with the highest atmospheric pressure is November (30.13"Hg).
The month with the lowest atmospheric pressure is June (29.96"Hg).
Average wind speed in March
Portsmouth, VA
- Average wind speed in March: 10.5mph
The windiest months (with the highest average wind speed) are March and April (10.5mph).
The calmest month (with the lowest average wind speed) is August (7.5mph).
Average humidity in March
Portsmouth, VA
- Average humidity in March: 75%
The month with the highest relative humidity is May (78%).
The months with the lowest relative humidity are July and November (74%).
Average rainfall in March
Portsmouth, VA
- Average rainfall in March: 1.34"
The wettest month (with the highest rainfall) is August (2.52").
The driest month (with the least rainfall) is November (1.1").
Average rainfall days in March
Portsmouth, VA
- Average rainfall days in March: 13.9 days
The month with the highest number of rainy days is July (17.4 days).
The month with the least rainy days is November (8.3 days).
Average snowfall in March
Portsmouth, VA
- Average snowfall in March: 0.04"
The month with the highest snowfall is January (0.47").
The months with the least snowfall are April, May, June, July, August, September and October (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 (2.2 days).
The months with the least snowfall days are April, May, June, July, August, September and October (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 and 0min
The month with the longest days is June (Average daylight: 14h and 36min).
The month with the shortest days is December (Average daylight: 9h and 42min).
- Average sunshine in March: 6h and 5min
The month with the most sunshine is July (Average sunshine: 10h and 54min).
The month with the least sunshine is February (Average sunshine: 5h and 24min).
Average sunshine days in March
Portsmouth, VA
- Average sunshine days in March: 15.3 days
The month with the most sunshine days is October (19.5 days).
The month with the least sunshine days is August (10.8 days).
Average UV index in March
Portsmouth, VA
- Average UV index in March: 3
The months with the highest UV index are July and August (UV index 7).
The month with the lowest UV index is January (UV index 2).
Average cloud cover in March
Portsmouth, VA
- Average cloud cover in March: 44
The month with the most cloud cover is March (Cloud cover 44).
The month with the least cloud cover is July (Cloud cover 26).
Average visibility in March
Portsmouth, VA
- Average visibility in March: 6mi
The months with the highest visibility are January, February, March, April, May, June, July, August, September, October, November and December (6mi).
The months with the lowest visibility are January, February, March, April, May, June, July, August, September, October, November and December (6mi).
Portsmouth, Virginia, USA
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