March weather forecastRockville, VA
March
Weather in March
March, the first month of the spring in Rockville, is a moderate month, with an average temperature ranging between max 55.9°F (13.3°C) and min 38.8°F (3.8°C).Temperature
A gentle upsurge in temperatures occurs as February gives way to March, with average highs shifting from a chilly 49.1°F (9.5°C) to a mild 55.9°F (13.3°C). In the month of March, Rockville's average low-temperature falls to a cold 38.8°F (3.8°C).Humidity
In March, the average relative humidity is 74%.Rainfall
In March, the rain falls for 14.1 days. Throughout March, 2.32" (59mm) of precipitation is accumulated. In Rockville, during the entire year, the rain falls for 151.1 days and collects up to 26.22" (666mm) of precipitation.Snowfall
Months with snowfall are January through April, November and December. In Rockville, during March, snow falls for 1.5 days and regularly aggregates up to 1.14" (29mm) of snow. In Rockville, during the entire year, snow falls for 10.5 days and aggregates up to 6.42" (163mm) of snow.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 6:56 am and sunset at 7:33 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 6.6h.UV index
In March, the average daily maximum UV index is 3. A UV Index value of 3 to 5 symbolizes a medium health hazard from exposure to the Sun's UV radiation for ordinary individuals.Note: The UV index of 3 in March translates into these instructions:
Make use of precautions - It is urged to ward off sun damage. The solar radiation is most powerful near the mid-day, so the exposure to the direct Sun should be reduced accordingly. To cut down UV radiation exposure by about half, sport a wide-brim hat. Be aware! The intensity of the Sun's UV radiation can be amplified nearly twice due to snow reflection.
Published by: Weather U.S. | About Us
Data Sources | Weather Forecasting & Climate
Frequently asked questions
Average temperature in March
Rockville, 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
Rockville, 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
Rockville, 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
Rockville, 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
Rockville, 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
Rockville, 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
Rockville, 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
Rockville, 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
Rockville, 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
Rockville, 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
Rockville, 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
Rockville, 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
Rockville, 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).





