April weather forecastMarriottsville, MD
April
Weather in April
April in Marriottsville, Maryland, is a comfortable spring month, with temperature in the range of an average low of 44.2°F (6.8°C) and an average high of 62.2°F (16.8°C).Temperature
April brings a temperature increase, with average high-temperatures moving from March's fresh 50°F (10°C) to an enjoyable 62.2°F (16.8°C). Marriottsville experiences a steady low-temperature of 44.2°F (6.8°C) throughout April.Humidity
The months with the lowest humidity in Marriottsville, Maryland, are April and July, with an average relative humidity of 74%.Rainfall
In Marriottsville, in April, it is raining for 14.9 days, with typically 2.48" (63mm) of accumulated precipitation. Throughout the year, there are 159 rainfall days, and 31.61" (803mm) of precipitation is accumulated.Snowfall
January through May, November and December are months with snowfall in Marriottsville. In Marriottsville, Maryland, in April, during 0.2 snowfall days, 0.31" (8mm) of snow is typically accumulated. In Marriottsville, Maryland, during the entire year, snow falls for 18.7 days and aggregates up to 9.96" (253mm) of snow.Daylight
The average length of the day in April in Marriottsville is 13h and 16min.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, sunrise is at 6:09 am and sunset at 8:00 pm EDT.
Sunshine
In April, the average sunshine is 8.5h.UV index
In April, the average daily maximum UV index is 4. A UV Index estimate of 3 to 5 represents a medium vulnerability from exposure to the Sun's UV rays for average individuals.Note: During April, 4 as the daily maximum UV index converts into the following advice:
Heed the precautions - Protecting the skin and eyes from damage is compulsory. Considering the strength of solar radiation at midday, one should avoid direct Sun exposure. It's wise to wear UVA and UVB-blocking sunglasses when the sun shines brightly. Forewarned is forearmed! The Sun's UV radiation can be almost doubled in intensity by snow reflection.
Published by: Weather U.S. | About Us
Data Sources | Weather Forecasting & Climate
Frequently asked questions
Average temperature in April
Marriottsville, MD
- Average high temperature in April: 62.2°F
The warmest month (with the highest average high temperature) is July (84.7°F).
The month with the lowest average high temperature is January (37.6°F).
- Average low temperature in April: 44.2°F
The month with the highest average low temperature is July (66.7°F).
The coldest month (with the lowest average low temperature) is January (25°F).
Average pressure in April
Marriottsville, 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
Marriottsville, MD
- Average wind speed in April: 8.5mph
The windiest month (with the highest average wind speed) is March (8.8mph).
The calmest months (with the lowest average wind speed) are July and August (5.3mph).
Average humidity in April
Marriottsville, MD
- Average humidity in April: 74%
The month with the highest relative humidity is May (79%).
The months with the lowest relative humidity are April and July (74%).
Average rainfall in April
Marriottsville, MD
- Average rainfall in April: 2.48"
The wettest month (with the highest rainfall) is August (3.9").
The driest month (with the least rainfall) is February (1.97").
Average rainfall days in April
Marriottsville, MD
- Average rainfall days in April: 14.9 days
The month with the highest number of rainy days is May (17.7 days).
The month with the least rainy days is January (8.6 days).
Average snowfall in April
Marriottsville, MD
- Average snowfall in April: 0.31"
The month with the highest snowfall is March (2.8").
The months with the least snowfall are June, July, August, September and October (0").
Average snowfall days in April
Marriottsville, MD
- Average snowfall days in April: 0.2 days
The month with the highest number of snowfall days is January (5.6 days).
The months with the least snowfall days are June, July, August, September and October (0 days).
Average daylight in April /
Average sunshine in April
Marriottsville, 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 30min
The month with the most sunshine is July (Average sunshine: 10h and 36min).
The months with the least sunshine are January and February (Average sunshine: 4h and 48min).
Average sunshine days in April
Marriottsville, MD
- Average sunshine days in April: 13.9 days
The month with the most sunshine days is November (18.8 days).
The month with the least sunshine days is May (11.2 days).
Average UV index in April
Marriottsville, 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, February, November and December (UV index 2).
Average cloud cover in April
Marriottsville, MD
- Average cloud cover in April: 43
The month with the most cloud cover is March (Cloud cover 48).
The month with the least cloud cover is July (Cloud cover 31).
Average visibility in April
Marriottsville, 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).
