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 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
The transition from February to March in Herndon, Virginia, brings a subtle temperature rise, with average high-temperatures increasing from a frosty 43.9°F (6.6°C) to a cool 52.5°F (11.4°C). In March, the average low-temperature in Herndon records at a cold 35.6°F (2°C) during the nights.Humidity
In March, the average relative humidity in Herndon is 74%.Rainfall
In Herndon, in March, it is raining for 13 days, with typically 2.44" (62mm) of accumulated precipitation. Throughout the year, in Herndon, there are 158.1 rainfall days, and 31.46" (799mm) of precipitation is accumulated.Snowfall
Months with snowfall in Herndon, Virginia, are January through April, November and December. In March, it is snowing for 3 days. Throughout March, 3.11" (79mm) of snow is accumulated. Throughout the year, there are 16.7 snowfall days, and 12.28" (312mm) 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 6:40 am and sunset at 6:02 pm EST. On the last day of March, in Herndon, sunrise is at 6:54 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 March, the average sunshine 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 medium health hazard from unsafe exposure to UV radiation for ordinary individuals.Note: A daily maximum UV index of 3 in March translates into the following instructions:
Take necessary precautions - Protection from skin and eye injury is mandatory. Avoiding the Sun's peak radiation during midday hours is essential for health and safety. Enhance your sun protection with tightly woven, yet airy clothing. Remember this! The UV radiation of the Sun can be nearly doubled by the reflective properties of snow.
Frequently asked questions
What are the temperatures in Herndon in March?
What is the average humidity in March in Herndon?
How much does it rain in Herndon in March?
How many days does it snow in March in Herndon?
What is the average length of the day in March in Herndon?
When are sunrise and sunset in March in Herndon?
When does Daylight Saving Time (DST) start in March in Herndon?
How long on average sun shines in March in Herndon?
What is the UV index intensity in March in Herndon?
Average temperature in March
Herndon, VA
- Average high temperature in March: 52.5°F
The warmest month (with the highest average high temperature) is July (87.8°F).
The month with the lowest average high temperature is January (39.7°F).
- Average low temperature in March: 35.6°F
The month with the highest average low temperature is July (67.3°F).
The coldest month (with the lowest average low temperature) is January (25.9°F).
Average pressure in March
Herndon, 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
Herndon, VA
- Average wind speed in March: 7.5mph
The windiest month (with the highest average wind speed) is March (7.5mph).
The calmest month (with the lowest average wind speed) is August (4.7mph).
Average humidity in March
Herndon, 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 (70%).
Average rainfall in March
Herndon, VA
- Average rainfall in March: 2.44"
The wettest month (with the highest rainfall) is August (3.78").
The driest month (with the least rainfall) is September (1.93").
Average rainfall days in March
Herndon, VA
- Average rainfall days in March: 13 days
The month with the highest number of rainy days is May (17.5 days).
The month with the least rainy days is January (9.3 days).
Average snowfall in March
Herndon, VA
- Average snowfall in March: 3.11"
The month with the highest snowfall is January (3.54").
The months with the least snowfall are May, June, July, August, September and October (0").
Average snowfall days in March
Herndon, VA
- Average snowfall days in March: 3 days
The months with the highest number of snowfall days are January and February (5.1 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
Herndon, VA
- 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 4min
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 0min).
Average sunshine days in March
Herndon, VA
- Average sunshine days in March: 15.3 days
The month with the most sunshine days is November (19.5 days).
The month with the least sunshine days is July (11.8 days).
Average UV index in March
Herndon, VA
- 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
Herndon, VA
- Average cloud cover in March: 48
The month with the most cloud cover is March (Cloud cover 48).
The month with the least cloud cover is July (Cloud cover 31).
Average visibility in March
Herndon, 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).
Herndon, Virginia, USA
Weather forecast for your location
2. Allow the app to use your location
