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
April's onset brings a rise in the average high-temperature, moving from a fresh 52.3°F (11.3°C) in March to an enjoyable 64.4°F (18°C). In Upper Marlboro, the April nights cool down to an average low of 47.7°F (8.7°C).Humidity
The months with the lowest humidity are January, March and April, with an average relative humidity of 72%.Rainfall
In April, the rain falls for 15.8 days. Throughout April, 2.76" (70mm) of precipitation is accumulated. Throughout the year, there are 164.8 rainfall days, and 32.87" (835mm) of precipitation is accumulated.Snowfall
Months with snowfall are January through April, November and December. April is the last month it regularly snows. During 0.3 snowfall days, in April, Upper Marlboro aggregates 0.28" (7mm) of snow. Throughout the year, there are 15.1 snowfall days, and 8.5" (216mm) of snow is accumulated.Daylight
In April, the average length of the day is 13h and 14min.On the first day of the month, sunrise is at 6:50 am and sunset at 7:30 pm. On the last day of April, sunrise is at 6:09 am and sunset at 7:58 pm EDT.
Sunshine
In April, the average sunshine is 9h.UV index
The average daily maximum UV index in April is 4. A UV Index of 3 to 5 symbolizes a medium vulnerability from exposure to the Sun's UV rays for ordinary individuals.Note: The UV index of 4 during April translates into the following guidance:
Take heed. Individuals of lighter complexion can be burned in less than half an hour. To avoid the Sun's strongest rays, limit exposure around the mid-day period. Safeguard your eyes, ears, and face from sun rays with the aid of a wide-brim hat. Observe! Snow reflection can nearly intensify the Sun's UV radiation twofold.
Published by: Weather U.S. | About Us
Data Sources | Weather Forecasting & Climate
Frequently asked questions
What is the usual temperature for Upper Marlboro in April?
What are the least humid months?
What is the average humidity in April?
How much does it rain in April?
What is the last month it snows?
What is the average length of the day in April?
What time are sunrise and sunset in April?
How many hours of sunshine does Upper Marlboro have in April?
What is the UV index reading in April in Upper Marlboro?
Average temperature in April
Upper Marlboro, MD
- Average high temperature in April: 64.4°F
The warmest month (with the highest average high temperature) is July (86.7°F).
The month with the lowest average high temperature is January (40.1°F).
- Average low temperature in April: 47.7°F
The month with the highest average low temperature is July (69.8°F).
The coldest month (with the lowest average low temperature) is January (28.2°F).
Average pressure in April
Upper Marlboro, 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
Upper Marlboro, MD
- Average wind speed in April: 8.3mph
The windiest month (with the highest average wind speed) is March (8.5mph).
The calmest months (with the lowest average wind speed) are July and August (5.4mph).
Average humidity in April
Upper Marlboro, MD
- Average humidity in April: 72%
The month with the highest relative humidity is May (77%).
The months with the lowest relative humidity are January, March and April (72%).
Average rainfall in April
Upper Marlboro, MD
- Average rainfall in April: 2.76"
The wettest month (with the highest rainfall) is August (3.94").
The driest month (with the least rainfall) is January (2.05").
Average rainfall days in April
Upper Marlboro, MD
- Average rainfall days in April: 15.8 days
The month with the highest number of rainy days is July (17.8 days).
The month with the least rainy days is November (8.8 days).
Average snowfall in April
Upper Marlboro, MD
- Average snowfall in April: 0.28"
The month with the highest snowfall is January (2.76").
The months with the least snowfall are May, June, July, August, September and October (0").
Average snowfall days in April
Upper Marlboro, MD
- Average snowfall days in April: 0.3 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
Upper Marlboro, MD
- 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: 11h and 0min).
The month with the least sunshine is February (Average sunshine: 5h and 6min).
Average sunshine days in April
Upper Marlboro, MD
- Average sunshine days in April: 12.3 days
The month with the most sunshine days is November (19.5 days).
The month with the least sunshine days is July (10.8 days).
Average UV index in April
Upper Marlboro, 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
Upper Marlboro, MD
- Average cloud cover in April: 40
The month with the most cloud cover is March (Cloud cover 45).
The month with the least cloud cover is July (Cloud cover 29).
Average visibility in April
Upper Marlboro, 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).
Upper Marlboro, Maryland, USA
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