April weather forecastLangley Park, MD
April
Weather in April
April in Langley Park, Maryland, is a refreshing spring month, with an average temperature varying between 46.8°F (8.2°C) and 64.9°F (18.3°C).Temperature
The arrival of April signals an increase in the average high-temperature, moving from a cool 52.3°F (11.3°C) in March to a comfortable 64.9°F (18.3°C). In April, the average low-temperature records at a frosty 46.8°F (8.2°C) during the nights.Humidity
The average relative humidity in April is 70%.Rainfall
In April, the rain falls for 15.3 days. Throughout April, 2.52" (64mm) of precipitation is accumulated. In Langley Park, during the entire year, the rain falls for 154.8 days and collects up to 30.28" (769mm) of precipitation.Snowfall
Months with snowfall are January through April, November and December. April is the last month it regularly snows in Langley Park. During 0.1 snowfall days, in April, Langley Park aggregates 0.08" (2mm) of snow. Throughout the year, in Langley Park, there are 15 snowfall days, and 9.17" (233mm) of snow is accumulated.Daylight
In Langley Park, the average length of the day in April is 13h and 15min.On the first day of the month, sunrise is at 6:51 am and sunset at 7:31 pm. On the last day of April, in Langley Park, sunrise is at 6:10 am and sunset at 8:00 pm EDT.
Sunshine
The average sunshine in April is 8.7h.UV index
The average daily maximum UV index in April in Langley Park, Maryland, is 4. A UV Index reading of 3 to 5 represents a moderate health risk from exposure to the Sun's UV rays for the average person.Note: The maximum daily UV index of 4 in April interprets into the following recommendations:
Heed the precautions - It is counselled to guard against solar damage. Midday is the peak time for the Sun's radiation; stay in the shade and protect yourself. Experience reduced UV exposure by about half when donning a wide-brim hat. Foresee this! The reflection from snow can nearly double the intensity of UV radiation from the Sun.
Published by: Weather U.S. | About Us
Data Sources | Weather Forecasting & Climate
Frequently asked questions
Average temperature in April
Langley Park, MD
- Average high temperature in April: 64.9°F
The warmest month (with the highest average high temperature) is July (87.4°F).
The month with the lowest average high temperature is January (39.7°F).
- Average low temperature in April: 46.8°F
The month with the highest average low temperature is July (69.6°F).
The coldest month (with the lowest average low temperature) is January (27.1°F).
Average pressure in April
Langley Park, MD
- 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
Langley Park, MD
- Average wind speed in April: 8mph
The windiest month (with the highest average wind speed) is March (8.1mph).
The calmest month (with the lowest average wind speed) is August (5.2mph).
Average humidity in April
Langley Park, MD
- Average humidity in April: 70%
The months with the highest relative humidity are May, October and December (75%).
The month with the lowest relative humidity is July (69%).
Average rainfall in April
Langley Park, MD
- Average rainfall in April: 2.52"
The wettest month (with the highest rainfall) is August (3.86").
The driest month (with the least rainfall) is January (1.89").
Average rainfall days in April
Langley Park, MD
- Average rainfall days in April: 15.3 days
The month with the highest number of rainy days is May (17.7 days).
The month with the least rainy days is November (8.5 days).
Average snowfall in April
Langley Park, MD
- Average snowfall in April: 0.08"
The month with the highest snowfall is January (2.87").
The months with the least snowfall are May, June, July, August, September and October (0").
Average snowfall days in April
Langley Park, MD
- Average snowfall days in April: 0.1 days
The month with the highest number of snowfall days is January (4.6 days).
The months with the least snowfall days are May, June, July, August, September and October (0 days).
Average daylight in April /
Average sunshine in April
Langley Park, MD
- Average daylight in April: 13h and 18min
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 April: 8h and 42min
The month with the most sunshine is July (Average sunshine: 10h and 36min).
The month with the least sunshine is February (Average sunshine: 4h and 54min).
Average sunshine days in April
Langley Park, MD
- Average sunshine days in April: 13.4 days
The month with the most sunshine days is November (19.5 days).
The month with the least sunshine days is May (12 days).
Average UV index in April
Langley Park, MD
- 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, November and December (UV index 2).
Average cloud cover in April
Langley Park, MD
- Average cloud cover in April: 42
The month with the most cloud cover is March (Cloud cover 47).
The month with the least cloud cover is July (Cloud cover 32).
Average visibility in April
Langley Park, MD
- Average visibility in April: 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).





