April weather forecastMercersville, MD
April
Weather in April
April is a comfortable spring month in Mercersville, Maryland, with an average temperature fluctuating between 62.6°F (17°C) and 42.4°F (5.8°C).Temperature
Mercersville's transition into April sees a rise in the average high-temperature, advancing from a fresh 50.2°F (10.1°C) in March to a comfortable 62.6°F (17°C). Mercersville, during April, witnesses an average low-temperature of 42.4°F (5.8°C).Humidity
In Mercersville, the average relative humidity in April is 75%.Rainfall
In Mercersville, during April, the rain falls for 17.3 days and regularly aggregates up to 2.64" (67mm) of precipitation. Throughout the year, there are 162.4 rainfall days, and 30.16" (766mm) of precipitation is accumulated.Snowfall
Months with snowfall are January through April, October through December. April is the last month it regularly snows. During 0.3 snowfall days, in April, Mercersville aggregates 0.16" (4mm) of snow. Throughout the year, there are 24.4 snowfall days, and 14.29" (363mm) of snow is accumulated.Daylight
In Mercersville, the average length of the day in April is 13h and 16min.On the first day of the month, sunrise is at 6:53 am and sunset at 7:35 pm. On the last day of April, sunrise is at 6:12 am and sunset at 8:04 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 of 3 to 5 symbolizes a medium health hazard from unsafe exposure to UV radiation for the average person.Note: In April, a daily maximum UV index of 4 leads to the following instructions:
Undertake protective steps - Recommendations to avoid sunburn are issued. For skin protection, it's recommended to minimize Sun exposure during its peak hours around midday. A wide-brim hat offers excellent sun protection for the eyes, ears, face, and neck. Sunglasses with UVA and UVB protection significantly reduce eye damage from sun exposure. Foresee this! The reflection from snow can nearly double the intensity of UV radiation from the Sun.
Published by: Weather U.S. | About Us
Data Sources | Weather Forecasting & Climate
Frequently asked questions
Average temperature in April
Mercersville, MD
- Average high temperature in April: 62.6°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°F).
- Average low temperature in April: 42.4°F
The month with the highest average low temperature is July (64.2°F).
The coldest month (with the lowest average low temperature) is January (23.4°F).
Average pressure in April
Mercersville, 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
Mercersville, MD
- Average wind speed in April: 7.5mph
The windiest months (with the highest average wind speed) are January, February and March (7.6mph).
The calmest months (with the lowest average wind speed) are July and August (4.5mph).
Average humidity in April
Mercersville, MD
- Average humidity in April: 75%
The months with the highest relative humidity are May, October and December (79%).
The month with the lowest relative humidity is July (74%).
Average rainfall in April
Mercersville, MD
- Average rainfall in April: 2.64"
The wettest month (with the highest rainfall) is July (3.27").
The driest month (with the least rainfall) is January (1.97").
Average rainfall days in April
Mercersville, MD
- Average rainfall days in April: 17.3 days
The month with the highest number of rainy days is May (18.3 days).
The month with the least rainy days is November (9.4 days).
Average snowfall in April
Mercersville, MD
- Average snowfall in April: 0.16"
The month with the highest snowfall is January (4.72").
The months with the least snowfall are May, June, July, August and September (0").
Average snowfall days in April
Mercersville, MD
- Average snowfall days in April: 0.3 days
The month with the highest number of snowfall days is January (7.8 days).
The months with the least snowfall days are May, June, July, August and September (0 days).
Average daylight in April /
Average sunshine in April
Mercersville, 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 30min
The month with the most sunshine is July (Average sunshine: 10h and 36min).
The month with the least sunshine is February (Average sunshine: 4h and 42min).
Average sunshine days in April
Mercersville, MD
- Average sunshine days in April: 11 days
The month with the most sunshine days is November (18.9 days).
The month with the least sunshine days is April (11 days).
Average UV index in April
Mercersville, 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
Mercersville, MD
- Average cloud cover in April: 44
The month with the most cloud cover is February (Cloud cover 50).
The month with the least cloud cover is July (Cloud cover 32).
Average visibility in April
Mercersville, MD
- Average visibility in April: 6mi
The months with the highest visibility are April, June, July, August and November (6mi).
The months with the lowest visibility are January, February, March, May, September, October and December (5mi).
