Washington
District of Columbia, USA
Long-term weather forecast
Long-term weather forecast

March weather forecast and climate
Washington, DC

Stunning reflective view of rows of jacaranda trees in spring in the tidal basin of the Washington Monument in DC
Stunning reflective view of rows of jacaranda trees in spring in the tidal basin of the Washington Monument in DC
March, the first month of the spring, in Washington, is a fresh month, with temperature in the range of an average high of 53.2°F (11.8°C) and an average low of 37.2°F (2.9°C).

Temperature

In March, the average high-temperature marginally rises, from a frosty 44.8°F (7.1°C) in February, to a fresh 53.2°F (11.8°C). In March, in Washington, the average low-temperature is 37.2°F (2.9°C).

Humidity

In March, the average relative humidity in Washington is 72%.

Rainfall

In March, the rain falls for 12.7 days. Throughout March, 1.93" (49mm) of precipitation is accumulated. Throughout the year, in Washington, 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, District of Columbia. March is the last month it regularly snows in Washington. 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 12h.

Sunshine

The average sunshine in Washington is 6.9h.

UV index

In March, the average daily maximum UV index in Washington, District of Columbia, is 3. A UV Index value of 3 to 5 symbolizes a moderate health risk from the exposure to the Sun's UV rays for the ordinary person.
Note: The average daily UV index of 3 transform into the following instructions:
Take precautions - Protection against the skin and eye damage is obliged. The Sun's most intense and consequently most harmful UV radiation during midday hours should be decreased by minimizing exposure and seeking shade. Sun-protective clothing, a long-sleeved shirt and pants, a wide-brimmed hat, and UVA and UVB-blocking sunglasses are particularly helpful in blocking UV radiation's harmful effects. Caution! The reflection of snow can nearly double the intensity of the Sun's UV radiation.

What is the temperature in March in Washington?

The average high-temperature, in March, is 53.2°F (11.8°C), while the average low-temperature is 37.2°F (2.9°C).

What is the average humidity in March in Washington?

The average relative humidity in March in Washington is 72%.

How much does it rain in Washington in March?

In Washington, District of Columbia, during March, the rain falls for 12.7 days and regularly aggregates up to 1.93" (49mm) of precipitation.

What is the last month it snows in Washington?

March is the last month it regularly snows. During 2.1 snowfall days, in March, Washington aggregates 1.54" (39mm) of snow.

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

The average length of the day in March in Washington, District of Columbia, is 12h.

How many hours of sunshine does Washington have in March?

In Washington, the average sunshine in March is 6.9h.

What is the UV index intensity in March in Washington?

The average daily maximum UV index in March in Washington is 3. A UV Index estimate of 3 to 5 represents a moderate vulnerability from unprotected exposure to the UV radiation.
Average temperature in March - Washington, DC
  • Average high temperature in March: 11.8°C

The warmest month (with the highest average high temperature) is July (31.1°C).
The month with the lowest average high temperature is January (4.8°C).

  • Average low temperature in March: 2.9°C

The month with the highest average low temperature is July (20.6°C).
The coldest month (with the lowest average low temperature) is January (-2.5°C).

Average humidity in March - Washington, DC
  • Average humidity in March: 72%

The month with the highest relative humidity is May (76%).
Months with the lowest relative humidity are April and July (71%).

Average rainfall in March - Washington, DC
  • Average rainfall in March: 49mm

The wettest month (with the highest rainfall) is August (88mm).
The driest month (with the lowest rainfall) is January (40mm).

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 lowest number of rainy days is November (8.1 days).

Average snowfall in March - Washington, DC
  • Average snowfall in March: 39mm

The month with the highest snowfall is January (55mm).
Months with the lowest snowfall are April, May, June, July, August, September, October and November (0mm).

Average snowfall days in March - Washington, DC
  • Average snowfall days in March: 2.1 days

Months with the highest number of snowfall days are January and February (3.8 days).
Months with the lowest number of 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

The month with the longest days is June (Average daylight: 14.9h).
The month with shortest days is December (Average daylight: 9.5h).

  • Average sunshine in March: 6.9h

The month with most sunshine is July (Average sunshine: 10.7h).
Months with least sunshine are January, February and December (Average sunshine: 5.1).

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).
Months with the lowest UV index are January and December (UV index 2).