March weather forecastDumbarton, VA
March
Weather in March
The first month of the spring, March, is a moderate month in Dumbarton, Virginia, with an average temperature varying between 38.8°F (3.8°C) and 55.9°F (13.3°C).Temperature
The shift into March brings a slight increase in the average high-temperature, moving from a chilly 49.1°F (9.5°C) in February to a mild 55.9°F (13.3°C). Dumbarton observes an average low-temperature of 38.8°F (3.8°C) during March.Humidity
The average relative humidity in March is 74%.Rainfall
In Dumbarton, during March, the rain falls for 14.1 days and regularly aggregates up to 2.32" (59mm) of precipitation. Throughout the year, there are 151.1 rainfall days, and 26.22" (666mm) of precipitation is accumulated.Snowfall
January through April, November and December are months with snowfall. In Dumbarton, in March, snow falls for 1.5 days, with typically accumulated 1.14" (29mm) of snow. Throughout the year, there are 10.5 snowfall days, and 6.42" (163mm) of snow is accumulated.Daylight
In March, the average length of the day is 11h and 59min.On the first day of March, sunrise is at 6:40 am and sunset at 6:04 pm EST. On the last day of the month, sunrise is at 6:55 am and sunset at 7:32 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 Dumbarton, the average sunshine in March is 6.6h.UV index
The average daily maximum UV index in March is 3. A UV Index reading of 3 to 5 represents a moderate health risk from unsafe exposure to UV radiation for the average person.Note: In March, a daily UV index of 3 turns into the following recommendations:
Preventative actions are necessary - Suggestions to safeguard against sun damage are in order. Considering the harmful UV rays from the Sun during midday, it's essential to reduce exposure. Counter UV radiation's ill effects with clothing designed for sun safety and UV-resistant eyewear. Take heed! The reflection of snow can intensify the Sun's UV radiation nearly double.
Published by: Weather U.S. | About Us
Data Sources | Weather Forecasting & Climate
Frequently asked questions
Average temperature in March
Dumbarton, VA
- Average high temperature in March: 55.9°F
The warmest month (with the highest average high temperature) is July (90.7°F).
The month with the lowest average high temperature is January (44.2°F).
- Average low temperature in March: 38.8°F
The month with the highest average low temperature is July (69.6°F).
The coldest month (with the lowest average low temperature) is January (29.5°F).
Average pressure in March
Dumbarton, VA
- Average pressure in March: 30.08"Hg
The month with the highest atmospheric pressure is November (30.14"Hg).
The month with the lowest atmospheric pressure is June (29.95"Hg).
Average wind speed in March
Dumbarton, VA
- Average wind speed in March: 7mph
The windiest month (with the highest average wind speed) is April (7.4mph).
The calmest month (with the lowest average wind speed) is August (5.2mph).
Average humidity in March
Dumbarton, VA
- Average humidity in March: 74%
The month with the highest relative humidity is December (78%).
The month with the lowest relative humidity is July (68%).
Average rainfall in March
Dumbarton, VA
- Average rainfall in March: 2.32"
The wettest month (with the highest rainfall) is August (2.72").
The driest month (with the least rainfall) is September (1.65").
Average rainfall days in March
Dumbarton, VA
- Average rainfall days in March: 14.1 days
The month with the highest number of rainy days is May (16.6 days).
The month with the least rainy days is November (8.8 days).
Average snowfall in March
Dumbarton, VA
- Average snowfall in March: 1.14"
The month with the highest snowfall is February (1.77").
The months with the least snowfall are May, June, July, August, September and October (0").
Average snowfall days in March
Dumbarton, VA
- Average snowfall days in March: 1.5 days
The month with the highest number of snowfall days is February (3.5 days).
The months with the least snowfall days are May, June, July, August, September and October (0 days).
Average daylight in March /
Average sunshine in March
Dumbarton, VA
- Average daylight in March: 12h and 0min
The month with the longest days is June (Average daylight: 14h and 42min).
The month with the shortest days is December (Average daylight: 9h and 36min).
- Average sunshine in March: 6h and 36min
The month with the most sunshine is July (Average sunshine: 10h and 36min).
The month with the least sunshine is December (Average sunshine: 5h and 12min).
Average sunshine days in March
Dumbarton, VA
- Average sunshine days in March: 14.6 days
The month with the most sunshine days is November (19.5 days).
The month with the least sunshine days is May (11.9 days).
Average UV index in March
Dumbarton, VA
- Average UV index in March: 3
The month with the highest UV index is July (UV index 7).
The months with the lowest UV index are January, February and December (UV index 2).
Average cloud cover in March
Dumbarton, VA
- Average cloud cover in March: 47
The month with the most cloud cover is March (Cloud cover 47).
The month with the least cloud cover is July (Cloud cover 31).
Average visibility in March
Dumbarton, VA
- Average visibility in March: 6mi
The months with the highest visibility are January, February, March, April, June, July, August, September, October, November and December (6mi).
The month with the lowest visibility is May (5mi).





