April weather forecastWindy Knolls, MD
April
Weather in April
April in Windy Knolls, Maryland, is a comfortable spring month, with an average temperature ranging between min 47.5°F (8.6°C) and max 62.8°F (17.1°C).Temperature
The arrival of April brings a change in Windy Knolls's weather, with average high-temperatures moving from March's cool 50.7°F (10.4°C) to a comfortable 62.8°F (17.1°C). An average low-temperature of 47.5°F (8.6°C) is noted during the month of April.Humidity
The months with the lowest humidity are January, March, April and November, with an average relative humidity of 72%.Rainfall
In April, the rain falls for 15.7 days. Throughout April, 2.6" (66mm) of precipitation is accumulated. In Windy Knolls, during the entire year, the rain falls for 155.7 days and collects up to 31.22" (793mm) of precipitation.Snowfall
January through April, November and December are months with snowfall. April is the last month it regularly snows. During 0.1 snowfall days, in April, Windy Knolls aggregates 0.08" (2mm) of snow. Throughout the year, there are 14 snowfall days, and 6.14" (156mm) of snow is accumulated.Daylight
In Windy Knolls, the average length of the day in April is 13h and 16min.On the first day of the month, sunrise is at 6:49 am and sunset at 7:30 pm. On the last day of April, sunrise is at 6:08 am and sunset at 7:58 pm EDT.
Sunshine
The average sunshine in April is 8.8h.UV index
In April, the average daily maximum UV index is 4. A UV Index reading of 3 to 5 represents a medium vulnerability from unsafe exposure to UV radiation for average individuals.Note: The maximum daily UV index of 4 in April converts into the following recommendations:
Preventative actions are necessary - Recommendations to ward off sunburn are given. Limiting sun exposure during midday hours helps in reducing the harmful effects of UV radiation. On days when the sun blazes, arm yourself with sunglasses that block UVA and UVB radiation. Beware! Reflection from snow can magnify the Sun's UV radiation nearly twofold.
Published by: Weather U.S. | About Us
Data Sources | Weather Forecasting & Climate
Frequently asked questions
Average temperature in April
Windy Knolls, MD
- Average high temperature in April: 62.8°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 (39.6°F).
- Average low temperature in April: 47.5°F
The month with the highest average low temperature is July (70.7°F).
The coldest month (with the lowest average low temperature) is January (28.4°F).
Average pressure in April
Windy 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 (29.94"Hg).
Average wind speed in April
Windy Knolls, MD
- Average wind speed in April: 9.1mph
The windiest month (with the highest average wind speed) is March (9.4mph).
The calmest months (with the lowest average wind speed) are July and August (6mph).
Average humidity in April
Windy Knolls, MD
- Average humidity in April: 72%
The month with the highest relative humidity is May (78%).
The months with the lowest relative humidity are January, March, April and November (72%).
Average rainfall in April
Windy Knolls, MD
- Average rainfall in April: 2.6"
The wettest month (with the highest rainfall) is August (3.54").
The driest month (with the least rainfall) is September (1.89").
Average rainfall days in April
Windy Knolls, MD
- Average rainfall days in April: 15.7 days
The month with the highest number of rainy days is May (17.5 days).
The month with the least rainy days is November (9.4 days).
Average snowfall in April
Windy Knolls, MD
- Average snowfall in April: 0.08"
The month with the highest snowfall is January (2.05").
The months with the least snowfall are May, June, July, August, September and October (0").
Average snowfall days in April
Windy Knolls, MD
- Average snowfall days in April: 0.1 days
The month with the highest number of snowfall days is January (4.4 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
Windy 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 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 6min).
Average sunshine days in April
Windy Knolls, MD
- Average sunshine days in April: 12.8 days
The month with the most sunshine days is November (18.7 days).
The month with the least sunshine days is May (10.8 days).
Average UV index in April
Windy 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, November and December (UV index 2).
Average cloud cover in April
Windy Knolls, MD
- Average cloud cover in April: 41
The months with the most cloud cover are February and March (Cloud cover 45).
The month with the least cloud cover is July (Cloud cover 28).
Average visibility in April
Windy Knolls, 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).
