March weather forecastRockville, MD
March
Weather in March
There's a significant change in Rockville's climate by March. Temperatures range from 52°F (11.1°C) at a high to 36.1°F (2.3°C) at a low, signaling the approach of spring. The weather becomes increasingly dynamic, with alterations between bright, sunny days and significant rainfall. Snow gradually disappears from the landscape, replaced by the blooming colors of early flowers. Concurrently, the wind shows no sign of relenting, remaining a continual feature of Rockville's March weather.Temperature
As March begins, there's a slight increase in the average high-temperature, moving from a frosty 43.9°F (6.6°C) in February to a cool 52°F (11.1°C). Throughout the month of March, Rockville observes an average nighttime temperature of 36.1°F (2.3°C).Humidity
The average relative humidity in March is 73%.Rainfall
In March, the rain falls for 12.8 days. Throughout March, 2.32" (59mm) of precipitation is accumulated. In Rockville, during the entire year, the rain falls for 156.4 days and collects up to 30.79" (782mm) of precipitation.Snowfall
January through April, November and December are months with snowfall. The month with the most snowfall is March, when snow falls for 3.2 days and typically aggregates up to 3.03" (77mm) of snow.Daylight
In Rockville, the average length of the day in March is 11h and 59min.On the first day of March, sunrise is at 6:39 am and sunset at 6:01 pm EST. On the last day of the month, sunrise is at 6:53 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 March, the average sunshine is 6.8h.UV index
In March, the average daily maximum UV index is 3. A UV Index of 3 to 5 symbolizes a moderate threat to health from exposure to the Sun's UV radiation for average individuals.Note: The maximum daily UV index of 3 in March converts into the following recommendations:
Adopt protective measures - Requirement to safeguard skin and eyes from harm exists. Considering the harmful UV rays from the Sun during midday, it's essential to reduce exposure. By wearing a generously brimmed hat, you can cut UV radiation exposure significantly. Be informed! The Sun's UV radiation can be nearly doubled due to the reflection from snow.
Published by: Weather U.S. | About Us
Data Sources | Weather Forecasting & Climate
Frequently asked questions
Average temperature in March
Rockville, MD
- Average high temperature in March: 52°F
The warmest month (with the highest average high temperature) is July (87.1°F).
The month with the lowest average high temperature is January (39°F).
- Average low temperature in March: 36.1°F
The month with the highest average low temperature is July (68.5°F).
The coldest month (with the lowest average low temperature) is January (26.2°F).
Average pressure in March
Rockville, MD
- 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
Rockville, MD
- Average wind speed in March: 8mph
The windiest month (with the highest average wind speed) is March (8mph).
The calmest month (with the lowest average wind speed) is August (5mph).
Average humidity in March
Rockville, MD
- Average humidity in March: 73%
The month with the highest relative humidity is December (77%).
The month with the lowest relative humidity is July (70%).
Average rainfall in March
Rockville, MD
- Average rainfall in March: 2.32"
The wettest month (with the highest rainfall) is August (3.9").
The driest month (with the least rainfall) is January (1.97").
Average rainfall days in March
Rockville, MD
- Average rainfall days in March: 12.8 days
The month with the highest number of rainy days is May (17.1 days).
The month with the least rainy days is November (9.2 days).
Average snowfall in March
Rockville, MD
- Average snowfall in March: 3.03"
The month with the highest snowfall is March (3.03").
The months with the least snowfall are May, June, July, August, September and October (0").
Average snowfall days in March
Rockville, MD
- Average snowfall days in March: 3.2 days
The months with the highest number of snowfall days are January and February (5.3 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
Rockville, MD
- 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 48min
The month with the most sunshine is July (Average sunshine: 10h and 48min).
The months with the least sunshine are January, February and December (Average sunshine: 5h and 6min).
Average sunshine days in March
Rockville, MD
- Average sunshine days in March: 14.8 days
The month with the most sunshine days is November (19.4 days).
The month with the least sunshine days is July (12 days).
Average UV index in March
Rockville, MD
- Average UV index in March: 3
The months with the highest UV index are May, June, July and August (UV index 6).
The months with the lowest UV index are January, February, November and December (UV index 2).
Average cloud cover in March
Rockville, MD
- 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
Rockville, MD
- 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).





