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
The shift from March to April is marked by an increase in the average high-temperature, moving from a fresh 52.3°F (11.3°C) to a refreshing 64.8°F (18.2°C). In Riverdale Park, an average low-temperature of 47.3°F (8.5°C) is recorded during April nights.Humidity
April and July, with an average relative humidity of 71%, are the least humid months.Rainfall
In Riverdale Park, in April, during 15.9 rainfall days, 2.72" (69mm) of precipitation is typically accumulated. Throughout the year, there are 157.9 rainfall days, and 31.14" (791mm) of precipitation is accumulated.Snowfall
January through April and December are months with snowfall in Riverdale Park. April is the last month it regularly snows. During 0.2 snowfall days, in April, Riverdale Park aggregates 0.08" (2mm) of snow. In Riverdale Park, during the entire year, snow falls for 13.5 days and aggregates up to 7.2" (183mm) of snow.Daylight
The average length of the day in April is 13h and 15min.On the first day of the month, sunrise is at 6:50 am and sunset at 7:31 pm. On the last day of April, in Riverdale Park, 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 in Riverdale Park, Maryland, is 4. A UV Index reading of 3 to 5 represents a medium health hazard from exposure to the Sun's UV radiation for average individuals.Note: In April, the maximum UV index of 4 transforms into these recommendations:
Prioritize safety - Suggestions to prevent sun damage are offered. Direct Sun exposure should be minimized especially during midday when radiation is most intense. To mitigate harm from sun exposure, pick sunglasses offering UVA and UVB defense. Take into account! The reflection from snow can nearly double the Sun's UV radiation intensity.
Frequently asked questions
What is the temperature in April in Riverdale Park?
What are the least humid months in Riverdale Park?
What is the average humidity in April in Riverdale Park?
How much does it rain in Riverdale Park in April?
What is the last month it snows in Riverdale Park?
How many hours of daylight does Riverdale Park have in April?
What time are sunrise and sunset in April in Riverdale Park?
How many hours of sunshine does Riverdale Park have in April?
What is the UV index intensity in April in Riverdale Park?
Average temperature in April
Riverdale Park, 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
Riverdale 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 (29.94"Hg).
Average wind speed in April
Riverdale Park, 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
Riverdale Park, 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
Riverdale Park, 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
Riverdale Park, 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
Riverdale Park, 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
Riverdale Park, 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
Riverdale Park, MD
- Average daylight in April: 13h and 1min
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 5min
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
Riverdale Park, 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
Riverdale 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 and December (UV index 2).
Average cloud cover in April
Riverdale Park, 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
Riverdale Park, 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).
Riverdale Park, Maryland, USA
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