Contents
- Weather in April
- Frequently asked questions
- Average temperature in April
- Average pressure in April
- Average wind speed in April
- Average humidity in April
- Average rainfall in April
- Average rainfall days in April
- Average snowfall in April
- Average snowfall days in April
- Average daylight in April
- Average sunshine in April
- Average sunshine days in April
- Average UV index in April
- Average cloud cover in April
- Average visibility in April
Weather in April
Temperature
With the onset of April, Washington sees a temperature rise, with the average high-temperature moving from March's cool 51.3°F (10.7°C) to an enjoyable 63.1°F (17.3°C). An average low-temperature of 43°F (6.1°C) marks the month of April.Humidity
The months with the lowest humidity in Washington are April and July, with an average relative humidity of 74%.Rainfall
In April, in Washington, the rain falls for 13.7 days. Throughout April, 1.93" (49mm) of precipitation is accumulated. Throughout the year, in Washington, there are 146.8 rainfall days, and 21.02" (534mm) of precipitation is accumulated.Snowfall
January through May, October through December are months with snowfall. In Washington, in April, snow falls for 0.2 days, with typically accumulated 0.2" (5mm) of snow. In Washington, Virginia, during the entire year, snow falls for 17.4 days and aggregates up to 9.72" (247mm) of snow.Daylight
In April, the average length of the day in Washington is 13h and 14min.On the first day of April in Washington, sunrise is at 6:56 am and sunset at 7:36 pm. On the last day of the month, sunrise is at 6:15 am and sunset at 8:04 pm EDT.
Sunshine
In Washington, the average sunshine in April is 9h.UV index
The average daily maximum UV index in April is 4. A UV Index estimate of 3 to 5 represents a medium health hazard from exposure to the Sun's UV radiation for the average person.Note: The daily high UV index of 4 in April translates into this advice:
Undertake precautions - Obligation exists to protect against skin and eye damage. The solar radiation is most powerful near the mid-day, so the exposure to the direct Sun should be reduced accordingly. 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. Be informed! The Sun's UV radiation can be nearly doubled due to the reflection from snow.
Frequently asked questions
What are April temperatures in Washington?
What are the least humid months in Washington?
What is the average humidity in April in Washington?
How much does it rain in Washington in April?
How much does it snow in Washington in April?
What is the average length of the day in April in Washington?
When is the sunrise / sunset in April in Washington?
How long on average sun shines in April in Washington?
How high is the UV index in April in Washington?
Average temperature in April
Washington, VA
- Average high temperature in April: 63.1°F
The warmest month (with the highest average high temperature) is July (85.6°F).
The month with the lowest average high temperature is January (38.7°F).
- Average low temperature in April: 43°F
The month with the highest average low temperature is July (62.6°F).
The coldest month (with the lowest average low temperature) is January (23.9°F).
Average pressure in April
Washington, VA
- Average pressure in April: 29.99"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 April
Washington, VA
- Average wind speed in April: 6.6mph
The windiest months (with the highest average wind speed) are February and March (6.7mph).
The calmest month (with the lowest average wind speed) is August (4.1mph).
Average humidity in April
Washington, VA
- Average humidity in April: 74%
The month with the highest relative humidity is October (79%).
The months with the lowest relative humidity are April and July (74%).
Average rainfall in April
Washington, VA
- Average rainfall in April: 1.93"
The wettest month (with the highest rainfall) is May (2.64").
The driest month (with the least rainfall) is January (0.94").
Average rainfall days in April
Washington, VA
- Average rainfall days in April: 13.7 days
The month with the highest number of rainy days is August (17.8 days).
The month with the least rainy days is January (6.8 days).
Average snowfall in April
Washington, VA
- Average snowfall in April: 0.2"
The month with the highest snowfall is March (2.56").
The months with the least snowfall are June, July, August and September (0").
Average snowfall days in April
Washington, VA
- Average snowfall days in April: 0.2 days
The month with the highest number of snowfall days is January (5 days).
The months with the least snowfall days are June, July, August and September (0 days).
Average daylight in April /
Average sunshine in April
Washington, VA
- Average daylight in April: 13h and 1min
The month with the longest days is June (Average daylight: 14h and 48min).
The month with the shortest days is December (Average daylight: 9h and 30min).
- Average sunshine in April: 9h and 0min
The month with the most sunshine is July (Average sunshine: 10h and 42min).
The month with the least sunshine is December (Average sunshine: 5h and 6min).
Average sunshine days in April
Washington, VA
- Average sunshine days in April: 14.6 days
The month with the most sunshine days is November (20.9 days).
The month with the least sunshine days is August (11.4 days).
Average UV index in April
Washington, VA
- Average UV index in April: 4
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 April
Washington, VA
- Average cloud cover in April: 40
The month with the most cloud cover is March (Cloud cover 46).
The month with the least cloud cover is July (Cloud cover 31).
Average visibility in April
Washington, VA
- Average visibility in April: 6mi
The months with the highest visibility are January, February, April, June, July, August and November (6mi).
The months with the lowest visibility are March, May, September, October and December (5mi).
Washington, Virginia, USA
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