April weather forecastGreenbelt, MD
April
Weather in April
Greenbelt residents anticipate April for its reputation of heralding the true beginning of Spring. Temperature averages from 52.3°F (11.3°C) to 64.8°F (18.2°C) mark both a farewell to snowfall and a welcome to rainfall. The distinction between night and day is even more pronounced, as the length of daylight extends to an appealing 13.3 hours. The weather in April is certainly gentler than March and it also prepares Greenbelt for the coming warmth of May.Temperature
April brings a rise in the average high-temperature, transitioning from March's fresh 52.3°F (11.3°C) to a comfortable 64.8°F (18.2°C). In Greenbelt, April is marked by an average low-temperature of 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, the rain falls for 15.9 days. Throughout April, 2.72" (69mm) of precipitation is accumulated. In Greenbelt, during the entire year, the rain falls for 157.9 days and collects up to 31.14" (791mm) of precipitation.Snowfall
Months with snowfall are January through April and December. April is the last month it regularly snows. During 0.2 snowfall days, in April, Greenbelt aggregates 0.08" (2mm) of snow. In Greenbelt, during the entire year, snow falls for 13.5 days and aggregates up to 7.2" (183mm) of snow.Daylight
In April, the average length of the day is 13h and 15min.On the first day of April, sunrise is at 6:50 am and sunset at 7:31 pm. On the last day of the month, sunrise is at 6:09 am and sunset at 7:59 pm EDT.
Sunshine
In April, the average sunshine is 8.8h.UV index
In April, the average daily maximum UV index is 4. A UV Index of 3 to 5 symbolizes a medium health hazard from unsafe exposure to UV radiation for the average person.Note: The average daily UV index of 4 in April transforms into the following instructions:
Put precautions into practice - Protective measures against sun-induced damage are advised. Considering the harmful UV rays from the Sun during midday, it's essential to reduce exposure. Limit sun-induced ocular harm with sunglasses that feature UVA and UVB filtration. Remember this! The UV radiation of the Sun can be nearly doubled by the reflective properties of snow.
Published by: Weather U.S. | About Us
Data Sources | Weather Forecasting & Climate
Frequently asked questions
Average temperature in April
Greenbelt, MD
- Average high temperature in April: 64.8°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 (39.9°F).
- Average low temperature in April: 47.3°F
The month with the highest average low temperature is July (70°F).
The coldest month (with the lowest average low temperature) is January (27.7°F).
Average pressure in April
Greenbelt, 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 (29.94"Hg).
Average wind speed in April
Greenbelt, MD
- Average wind speed in April: 8.2mph
The windiest month (with the highest average wind speed) is March (8.3mph).
The calmest month (with the lowest average wind speed) is August (5.3mph).
Average humidity in April
Greenbelt, MD
- Average humidity in April: 71%
The months with the highest relative humidity are May, October and December (76%).
The months with the lowest relative humidity are April and July (71%).
Average rainfall in April
Greenbelt, MD
- Average rainfall in April: 2.72"
The wettest month (with the highest rainfall) is August (3.58").
The driest month (with the least rainfall) is January (2.01").
Average rainfall days in April
Greenbelt, MD
- Average rainfall days in April: 15.9 days
The month with the highest number of rainy days is May (17.9 days).
The month with the least rainy days is November (9 days).
Average snowfall in April
Greenbelt, MD
- Average snowfall in April: 0.08"
The month with the highest snowfall is January (2.6").
The months with the least snowfall are May, June, July, August, September, October and November (0").
Average snowfall days in April
Greenbelt, MD
- Average snowfall days in April: 0.2 days
The month with the highest number of snowfall days is January (4.1 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
Greenbelt, 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 48min
The month with the most sunshine is July (Average sunshine: 10h and 54min).
The month with the least sunshine is February (Average sunshine: 5h and 0min).
Average sunshine days in April
Greenbelt, MD
- Average sunshine days in April: 12.5 days
The month with the most sunshine days is November (19.1 days).
The month with the least sunshine days is May (11.8 days).
Average UV index in April
Greenbelt, 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 and December (UV index 2).
Average cloud cover in April
Greenbelt, MD
- Average cloud cover in April: 41
The month with the most cloud cover is March (Cloud cover 46).
The month with the least cloud cover is July (Cloud cover 29).
Average visibility in April
Greenbelt, MD
- Average visibility in April: 6mi
The months with the highest visibility are January, February, March, April, May, June, July, August, September, October, November and December (6mi).
The months with the lowest visibility are January, February, March, April, May, June, July, August, September, October, November and December (6mi).
