March weather forecastWashington, DC

March
Weather in March
Ushering spring in Washington, D.C., March exhibits a significant hike in temperature from 37.2°F (2.9°C) to 53.2°F (11.8°C). Signs of thawing become increasingly evident as frosty mornings give way to milder afternoons. The city landscapes begin adorning shades of spring, making outdoor activities more enjoyable. Simultaneously, daylight hours extend further, indicating the gradual transition into summer. Nevertheless, late snowfall can surprise, succumbing the cityscape under a blanket of white.Temperature
March brings a slight elevation in the average high-temperature, transitioning from February's frosty 44.8°F (7.1°C) to a cool 53.2°F (11.8°C). An average low-temperature of 37.2°F (2.9°C) is observed during March nights.Humidity
The average relative humidity in March in Washington, District of Columbia, is 72%.Rainfall
In Washington, in March, it is raining for 12.7 days, with typically 1.93" (49mm) of accumulated precipitation. Throughout the year, there are 149.1 rainfall days, and 26.14" (664mm) of precipitation is accumulated.Snowfall
January through March and December are months with snowfall in Washington. March is the last month it regularly snows in Washington, District of Columbia. During 2.1 snowfall days, in March, Washington aggregates 1.54" (39mm) of snow. Throughout the year, there are 11.7 snowfall days, and 6.3" (160mm) of snow is accumulated.Daylight
The average length of the day in March is 11h and 59min.On the first day of the month, sunrise is at 6:39 am and sunset at 6:01 pm EST. On the last day of March, sunrise is at 6:52 am and sunset at 7:31 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 Washington, the average sunshine in March is 6.9h.UV index
In Washington, the average daily maximum UV index in March is 3. A UV Index of 3 to 5 symbolizes a medium vulnerability from exposure to the Sun's UV rays for the average person.Note: A maximum high UV index of 3 in March translates into the following recommendations:
Exercise prevention - Protecting skin and eyes from harm is required. UV radiation from the Sun is most dangerous during midday; take precautions and seek shade. Wearing a wide-brim hat can block approximately 50% of UV radiation, protecting the eyes. Consider this! The reflection from snow can almost double the intensity of the Sun's UV radiation.
Published by: Weather U.S. | About Us
Data Sources | Weather Forecasting & Climate
Frequently asked questions
Average temperature in March
Washington, DC
- Average high temperature in March: 53.2°F
The warmest month (with the highest average high temperature) is July (88°F).
The month with the lowest average high temperature is January (40.6°F).
- Average low temperature in March: 37.2°F
The month with the highest average low temperature is July (69.1°F).
The coldest month (with the lowest average low temperature) is January (27.5°F).
Average pressure in March
Washington, DC
- 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
Washington, DC
- Average wind speed in March: 7.9mph
The windiest month (with the highest average wind speed) is March (7.9mph).
The calmest month (with the lowest average wind speed) is August (5mph).
Average humidity in March
Washington, DC
- Average humidity in March: 72%
The month with the highest relative humidity is May (76%).
The months with the lowest relative humidity are April and July (71%).
Average rainfall in March
Washington, DC
- Average rainfall in March: 1.93"
The wettest month (with the highest rainfall) is August (3.46").
The driest month (with the least rainfall) is January (1.57").
Average rainfall days in March
Washington, DC
- Average rainfall days in March: 12.7 days
The month with the highest number of rainy days is July (16.4 days).
The month with the least rainy days is November (8.1 days).
Average snowfall in March
Washington, DC
- Average snowfall in March: 1.54"
The month with the highest snowfall is January (2.17").
The months with the least snowfall are April, May, June, July, August, September, October and November (0").
Average snowfall days in March
Washington, DC
- Average snowfall days in March: 2.1 days
The months with the highest number of snowfall days are January and February (3.8 days).
The months with the least snowfall days are April, May, June, July, August, September and October (0 days).
Average daylight in March /
Average sunshine in March
Washington, DC
- Average daylight in March: 12h and 0min
The month with the longest days is June (Average daylight: 14h and 54min).
The month with the shortest days is December (Average daylight: 9h and 30min).
- Average sunshine in March: 6h and 54min
The month with the most sunshine is July (Average sunshine: 10h and 42min).
The months with the least sunshine are January, February and December (Average sunshine: 5h and 6min).
Average sunshine days in March
Washington, DC
- Average sunshine days in March: 16.2 days
The month with the most sunshine days is November (20 days).
The month with the least sunshine days is May (12.8 days).
Average UV index in March
Washington, DC
- Average UV index in March: 3
The month with the highest UV index is June (UV index 7).
The months with the lowest UV index are January and December (UV index 2).
Average cloud cover in March
Washington, DC
- Average cloud cover in March: 46
The month with the most cloud cover is March (Cloud cover 46).
The month with the least cloud cover is July (Cloud cover 30).
Average visibility in March
Washington, DC
- 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).





