March weather forecast
Manassas, VA

Weather in March

March, the first month of the spring, in Manassas, is a cool month, with temperature in the range of an average low of 36°F (2.2°C) and an average high of 53.2°F (11.8°C).

Temperature

In Manassas, the average high-temperature slightly increases, from a chilly 45.1°F (7.3°C) in February, to a cool 53.2°F (11.8°C). In March, the average low-temperature is 36°F (2.2°C).

Humidity

In March, the average relative humidity in Manassas is 74%.

Rainfall

In March, in Manassas, Virginia, the rain falls for 13.8 days. Throughout March, 2.48" (63mm) of precipitation is accumulated. In Manassas, Virginia, during the entire year, the rain falls for 157.5 days and collects up to 30.35" (771mm) of precipitation.

Snowfall

January through April, November and December are months with snowfall in Manassas. In Manassas, snow falls for 2.5 days, with typically accumulated 2.64" (67mm) of snow. Throughout the year, in Manassas, there are 15.8 snowfall days, and 11.5" (292mm) of snow is accumulated.

Daylight

The average length of the day in March is 12h.

Sunshine

In Manassas, 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 health risk from the exposure to the Sun's UV radiation for ordinary individuals.
Note: The daily maximum UV index of 3 interpret into the following advice:
Take precautions - Protection against sunburn is recommended. The Sun's most intense and consequently most harmful UV radiation during midday hours should be decreased by minimizing exposure and seeking shade. On bright days sunglasses that block both UVA and UVB rays should be worn. A hat with a wide brim is extremely helpful, as it can prevent roughly 50% of UV radiation from reaching the eyes. Beware! The strength of the UV rays is increased nearly double-fold by the reflection of the snow.
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FAQ

What is the average humidity in March in Manassas?

The average relative humidity in March in Manassas is 74%.

How much does it rain in Manassas in March?

In Manassas, Virginia, in March, during 13.8 rainfall days, 2.48" (63mm) of precipitation is typically accumulated.

How many days does it snow in March in Manassas?

In Manassas, Virginia, in March, during 2.5 snowfall days, 2.64" (67mm) of snow is typically accumulated.

What is the average length of the day in March in Manassas?

In Manassas, the average length of the day in March is 12h.

How long on average sun shines in March in Manassas?

In Manassas, Virginia, the average sunshine in March is 6.8h.

How high is the UV index in March in Manassas?

The average daily maximum UV index in March in Manassas is 3. A UV Index estimate of 3 to 5 represents a moderate vulnerability from unsafe exposure to the Sun's UV rays.

Average temperature in March
Manassas, VA

Average temperature in March - Manassas, VA
  • Average high temperature in March: 11.8°C

The warmest month (with the highest average high temperature) is July (31.3°C).
The month with the lowest average high temperature is January (4.8°C).

  • Average low temperature in March: 2.2°C

The month with the highest average low temperature is July (19.5°C).
The coldest month (with the lowest average low temperature) is January (-3.1°C).

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Average pressure in March
Manassas, VA

Average pressure in March - Manassas, VA
  • Average pressure in March: 1018.6mbar

The month with the highest atmospheric pressure is November (1020.7mbar).
The month with the lowest atmospheric pressure is June (1014.2mbar).

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Average wind speed in March
Manassas, VA

Average wind speed in March - Manassas, VA
  • Average wind speed in March: 11.2km/h

The windiest months (with the highest average wind speed) are March and April (11.2km/h).
The calmest month (with the lowest average wind speed) is August (7.4km/h).

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Average humidity in March
Manassas, VA

Average humidity in March - Manassas, 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 (72%).

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Average rainfall in March
Manassas, VA

Average rainfall in March - Manassas, VA
  • Average rainfall in March: 63mm

The wettest month (with the highest rainfall) is August (87mm).
The driest month (with the least rainfall) is September (49mm).

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Average rainfall days in March
Manassas, VA

Average rainfall days in March - Manassas, VA
  • Average rainfall days in March: 13.8 days

The month with the highest number of rainy days is May (17.4 days).
The month with the least rainy days is November (9.3 days).

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Average snowfall in March
Manassas, VA

Average snowfall in March - Manassas, VA
  • Average snowfall in March: 67mm

The month with the highest snowfall is January (94mm).
The months with the least snowfall are May, June, July, August, September and October (0mm).

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Average snowfall days in March
Manassas, VA

Average snowfall days in March - Manassas, VA
  • Average snowfall days in March: 2.5 days

The month with the highest number of snowfall days is February (5.2 days).
The months with the least snowfall days are May, June, July, August, September and October (0 days).

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Average daylight in March /
Average sunshine in March
Manassas, VA

Average daylight in March / Average sunshine in March - Manassas, VA
  • Average daylight in March: 12h

The month with the longest days is June (Average daylight: 14.8h).
The month with the shortest days is December (Average daylight: 9.5h).

  • Average sunshine in March: 6.8h

The month with the most sunshine is July (Average sunshine: 10.7h).
The months with the least sunshine are January, February and December (Average sunshine: 5.2).

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Average sunshine days in March
Manassas, VA

Average sunshine days in March - Manassas, VA
  • Average sunshine days in March: 14.5 days

The month with the most sunshine days is November (19.8 days).
The month with the least sunshine days is May (11.7 days).

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Average UV index in March
Manassas, VA

Average UV index in March - Manassas, 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).

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Average cloud cover in March
Manassas, VA

Average cloud cover in March - Manassas, 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).

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Average visibility in March
Manassas, VA

Average visibility in March - Manassas, VA
  • Average visibility in March: 9km

The months with the highest visibility are January, February, March, April, June, July, August and November (9km).
The months with the lowest visibility are May, September, October and December (8km).

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