April weather forecastCedar Grove Knolls, MD
April
Weather in April
April is a refreshing spring month in Cedar Grove Knolls, Maryland, with temperature in the range of an average high of 63°F (17.2°C) and an average low of 44.2°F (6.8°C).Temperature
Cedar Grove Knolls's weather in April shows a rise in the average high-temperature, moving up from March's cool 50.5°F (10.3°C) to a refreshing 63°F (17.2°C). April brings Cedar Grove Knolls a consistent average low-temperature of 44.2°F (6.8°C).Humidity
April and July, with an average relative humidity of 74%, are the least humid months.Rainfall
In Cedar Grove Knolls, during April, the rain falls for 15.6 days and regularly aggregates up to 2.64" (67mm) of precipitation. Throughout the year, there are 158.7 rainfall days, and 30.91" (785mm) of precipitation is accumulated.Snowfall
Months with snowfall are January through May, October through December. In Cedar Grove Knolls, Maryland, during April, snow falls for 0.3 days and regularly aggregates up to 0.39" (10mm) of snow. Throughout the year, in Cedar Grove Knolls, there are 21.3 snowfall days, and 13.31" (338mm) of snow is accumulated.Daylight
In April, the average length of the day is 13h and 16min.On the first day of April, sunrise is at 6:51 am and sunset at 7:33 pm. On the last day of the month, sunrise is at 6:10 am and sunset at 8:01 pm EDT.
Sunshine
In Cedar Grove Knolls, the average sunshine in April is 8.7h.UV index
In Cedar Grove Knolls, the average daily maximum UV index in April is 4. A UV Index estimate of 3 to 5 represents a medium vulnerability from exposure to the Sun's UV radiation for ordinary individuals.Note: A maximum daily UV index of 4 during April morphs into the following directions:
Take necessary precautions - Protection from skin and eye injury is mandatory. The solar radiation is most powerful near the mid-day, so the exposure to the direct Sun should be reduced accordingly. On bright days sunglasses that block both UVA and UVB rays should be worn. A hat with a wide brim is extremely helpful, as it can prevent roughly 50% of UV radiation from reaching the eyes. Remember! The Sun's UV radiation can be magnified almost twofold by the reflection of snow.
Published by: Weather U.S. | About Us
Data Sources | Weather Forecasting & Climate
Frequently asked questions
Average temperature in April
Cedar Grove Knolls, MD
- Average high temperature in April: 63°F
The warmest month (with the highest average high temperature) is July (85.6°F).
The month with the lowest average high temperature is January (37.8°F).
- Average low temperature in April: 44.2°F
The month with the highest average low temperature is July (66.6°F).
The coldest month (with the lowest average low temperature) is January (24.8°F).
Average pressure in April
Cedar Grove Knolls, 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
Cedar Grove Knolls, 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 (4.8mph).
Average humidity in April
Cedar Grove Knolls, MD
- Average humidity in April: 74%
The months with the highest relative humidity are May and October (79%).
The months with the lowest relative humidity are April and July (74%).
Average rainfall in April
Cedar Grove Knolls, MD
- Average rainfall in April: 2.64"
The wettest month (with the highest rainfall) is August (3.82").
The driest month (with the least rainfall) is January (1.93").
Average rainfall days in April
Cedar Grove Knolls, MD
- Average rainfall days in April: 15.6 days
The month with the highest number of rainy days is May (17.7 days).
The month with the least rainy days is January (8.3 days).
Average snowfall in April
Cedar Grove Knolls, MD
- Average snowfall in April: 0.39"
The month with the highest snowfall is March (4.09").
The months with the least snowfall are June, July, August and September (0").
Average snowfall days in April
Cedar Grove Knolls, MD
- Average snowfall days in April: 0.3 days
The month with the highest number of snowfall days is January (6.3 days).
The months with the least snowfall days are June, July, August and September (0 days).
Average daylight in April /
Average sunshine in April
Cedar Grove Knolls, 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 48min).
The month with the least sunshine is February (Average sunshine: 4h and 54min).
Average sunshine days in April
Cedar Grove Knolls, MD
- Average sunshine days in April: 12.3 days
The month with the most sunshine days is November (19.3 days).
The month with the least sunshine days is May (10.8 days).
Average UV index in April
Cedar Grove Knolls, 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
Cedar Grove Knolls, 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 30).
Average visibility in April
Cedar Grove Knolls, 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).





