April weather forecastGrantsville, MD
April
Weather in April
April in Grantsville, Maryland, is a refreshing spring month, with an average temperature ranging between min 40.1°F (4.5°C) and max 58.8°F (14.9°C).Temperature
Grantsville in April experiences an increase in the average high-temperature, moving from March's chilly 46.8°F (8.2°C) to a refreshing 58.8°F (14.9°C). Grantsville temperatures generally rest at a low of 40.1°F (4.5°C) during the April nights.Humidity
In Grantsville, the average relative humidity in April is 77%.Rainfall
In April, the rain falls for 17.4 days. Throughout April, 3.19" (81mm) of precipitation is accumulated. Throughout the year, in Grantsville, there are 186.2 rainfall days, and 31.93" (811mm) of precipitation is accumulated.Snowfall
January through May, October through December are months with snowfall. In Grantsville, during April, snow falls for 2.4 days and regularly aggregates up to 1.02" (26mm) of snow. Throughout the year, there are 56.7 snowfall days, and 28.46" (723mm) of snow is accumulated.Daylight
In April, the average length of the day in Grantsville is 13h and 17min.On the first day of the month, sunrise is at 6:59 am and sunset at 7:41 pm. On the last day of April, sunrise is at 6:17 am and sunset at 8:10 pm EDT.
Sunshine
In April, the average sunshine is 8.4h.UV index
In April, the average daily maximum UV index is 3. A UV Index of 3 to 5 symbolizes a medium health hazard from exposure to the Sun's UV radiation for the ordinary person.Note: In April, the maximum UV index of 3 translates into these guidelines:
Be vigilant - Suggestions to stave off sun damage are provided. When the Sun is at its strongest around midday, find shade and limit exposure. For holistic sun protection encompassing the eyes, ears, face, and neck, a wide-brim hat is key. Be on the lookout! Nearly twofold UV radiation from the Sun can be reflected by snow.
Published by: Weather U.S. | About Us
Data Sources | Weather Forecasting & Climate
Frequently asked questions
Average temperature in April
Grantsville, MD
- Average high temperature in April: 58.8°F
The warmest month (with the highest average high temperature) is July (81.5°F).
The month with the lowest average high temperature is January (33.3°F).
- Average low temperature in April: 40.1°F
The month with the highest average low temperature is July (60.1°F).
The coldest month (with the lowest average low temperature) is January (20.1°F).
Average pressure in April
Grantsville, MD
- Average pressure in April: 29.98"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
Grantsville, MD
- Average wind speed in April: 7.8mph
The windiest month (with the highest average wind speed) is January (8.6mph).
The calmest month (with the lowest average wind speed) is August (4.6mph).
Average humidity in April
Grantsville, MD
- Average humidity in April: 77%
The month with the highest relative humidity is February (83%).
The month with the lowest relative humidity is July (76%).
Average rainfall in April
Grantsville, MD
- Average rainfall in April: 3.19"
The wettest month (with the highest rainfall) is May (3.46").
The driest month (with the least rainfall) is November (1.85").
Average rainfall days in April
Grantsville, MD
- Average rainfall days in April: 17.4 days
The month with the highest number of rainy days is May (21.3 days).
The month with the least rainy days is November (11.1 days).
Average snowfall in April
Grantsville, MD
- Average snowfall in April: 1.02"
The month with the highest snowfall is February (6.85").
The months with the least snowfall are June, July, August and September (0").
Average snowfall days in April
Grantsville, MD
- Average snowfall days in April: 2.4 days
The month with the highest number of snowfall days is January (14.4 days).
The months with the least snowfall days are June, July, August and September (0 days).
Average daylight in April /
Average sunshine in April
Grantsville, 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 24min).
- Average sunshine in April: 8h and 24min
The month with the most sunshine is July (Average sunshine: 10h and 18min).
The month with the least sunshine is January (Average sunshine: 4h and 24min).
Average sunshine days in April
Grantsville, MD
- Average sunshine days in April: 9.1 days
The month with the most sunshine days is November (15.4 days).
The month with the least sunshine days is May (6.8 days).
Average UV index in April
Grantsville, MD
- Average UV index in April: 3
The months with the highest UV index are May, June, July and August (UV index 5).
The months with the lowest UV index are January, February, March, November and December (UV index 2).
Average cloud cover in April
Grantsville, MD
- Average cloud cover in April: 46
The month with the most cloud cover is January (Cloud cover 56).
The month with the least cloud cover is July (Cloud cover 34).
Average visibility in April
Grantsville, MD
- Average visibility in April: 5mi
The months with the highest visibility are January, February, March, April, May, June, July, August, September, October, November and December (5mi).
The months with the lowest visibility are January, February, March, April, May, June, July, August, September, October, November and December (5mi).





