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

April 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
April in Washington, District of Columbia, is an enjoyable spring month, with average temperature fluctuating between 65.1°F (18.4°C) and 47.3°F (8.5°C).

Temperature

In April, the average high-temperature rises, from a fresh 53.2°F (11.8°C) in March, to a comfortable 65.1°F (18.4°C). In Washington, the average low-temperature is 47.3°F (8.5°C).

Humidity

April and July, with an average relative humidity of 71%, are the least humid months.

Rainfall

In April, in Washington, the rain falls for 14.4 days. Throughout April, 2.09" (53mm) of precipitation is accumulated. Throughout the year, in Washington, there are 149.1 rainfall days, and 26.14" (664mm) of precipitation is accumulated.

Snowfall

In Washington, District of Columbia, snow does not fall through November.

Daylight

In April, the average length of the day is 13.3h.

Sunshine

In Washington, District of Columbia, the average sunshine in April is 8.9h.

UV index

In April, the average daily maximum UV index in Washington is 4. A UV Index value of 3 to 5 symbolizes a medium vulnerability from the exposure to the Sun's UV radiation for the ordinary person.
Note: In April, the average maximum UV index of 4 translate into the following recommendations:
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. 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.

What is the temperature in April in Washington?

In April, in Washington, the average high-temperature is 65.1°F (18.4°C), and the average low-temperature is 47.3°F (8.5°C).

What is the least humid month in Washington?

April and July, with an average relative humidity of 71%, are the least humid months in Washington.

What is the average humidity in April in Washington?

In Washington, the average relative humidity in April is 71%.

How much does it rain in Washington in April?

In Washington, during April, the rain falls for 14.4 days and regularly aggregates up to 2.09" (53mm) of precipitation.

Does it snow in Washington in April?

In April, in Washington, District of Columbia, it doesn't snow. March is the latest month when it typically snows.

When it does not snow in Washington?

April through November are months without snowfall in Washington.

How many hours of daylight does Washington have in April?

The average length of the day in April in Washington is 13.3h.

How long on average sun shines in April in Washington?

In April, the average sunshine in Washington is 8.9h.

What is the UV index intensity in April in Washington?

In April, the average daily maximum UV index in Washington, District of Columbia, is 4. A UV Index estimate of 3 to 5 represents a moderate vulnerability from unprotected exposure to the UV radiation.
Average temperature in April - Washington, DC
  • Average high temperature in April: 18.4°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 April: 8.5°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 April - Washington, DC
  • Average humidity in April: 71%

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

Average rainfall in April - Washington, DC
  • Average rainfall in April: 53mm

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

Average rainfall days in April - Washington, DC
  • Average rainfall days in April: 14.4 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 April - Washington, DC
  • Average snowfall in April: 0mm

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 April - Washington, DC
  • Average snowfall days in April: 0 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 April / Average sunshine in April - Washington, DC
  • Average daylight in April: 13.3h

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 April: 8.9h

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 April - Washington, DC
  • Average UV index in April: 4

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).