April weather forecastMcHenry, MD
April
Weather in April
April showcases a noticeable spring-like transformation in McHenry, while the city embarks on the journey from frosty winter to blossoming spring. The latent sunshine from March amplifies, permitting extended outdoor excursions. Though rainfall persists, the snow completely melts away by April, creating an ambient environment for delicate spring flowers to bloom. Mild winds blow during this period, perhaps carrying pollens, inducing a rise in allergic reactions in susceptible populations. With temperatures climbing to 57.9°F (14.4°C), April observes the onset of comfortable, warm days that bear the promise of an approaching summer.Temperature
As McHenry transitions into April, the average high-temperature shows a change, moving from a frosty 45.3°F (7.4°C) in March to a mild 57.9°F (14.4°C). An average nighttime temperature of 39.4°F (4.1°C) is noted during the month of April.Humidity
April, June through August, with an average relative humidity of 79%, are the least humid months.Rainfall
In McHenry, in April, during 15.9 rainfall days, 2.76" (70mm) of precipitation is typically accumulated. Throughout the year, there are 166.5 rainfall days, and 30.79" (782mm) of precipitation is accumulated.Snowfall
Months with snowfall in McHenry, Maryland, are January through May, October through December. In McHenry, during April, snow falls for 2.3 days and regularly aggregates up to 1.38" (35mm) of snow. In McHenry, during the entire year, snow falls for 48.4 days and aggregates up to 26.69" (678mm) of snow.Daylight
In McHenry, the average length of the day in April is 13h and 16min.On the first day of the month, sunrise is at 7:00 am and sunset at 7:41 pm. On the last day of April, sunrise is at 6:18 am and sunset at 8:10 pm EDT.
Sunshine
The average sunshine in April is 7.6h.UV index
In April, the average daily maximum UV index is 3. A UV Index value of 3 to 5 symbolizes a moderate threat to health from unsafe exposure to UV radiation for average individuals.Note: The average daily UV index of 3 in April transforms into the following instructions:
Prioritize safety - Suggestions to prevent sun damage are offered. The Sun's most intense and consequently most harmful UV radiation during midday hours should be decreased by minimizing exposure and seeking shade. Shield yourself from the harmful effects of UV radiation with sun-protective attire, a hat, and quality sunglasses. Be mindful! The reflection from snow can increase the Sun's UV radiation nearly twice.
Published by: Weather U.S. | About Us
Data Sources | Weather Forecasting & Climate
Frequently asked questions
Average temperature in April
McHenry, MD
- Average high temperature in April: 57.9°F
The warmest month (with the highest average high temperature) is July (79.9°F).
The month with the lowest average high temperature is January (32°F).
- Average low temperature in April: 39.4°F
The month with the highest average low temperature is July (58.8°F).
The coldest month (with the lowest average low temperature) is January (19.6°F).
Average pressure in April
McHenry, 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
McHenry, MD
- Average wind speed in April: 8mph
The windiest month (with the highest average wind speed) is January (9.1mph).
The calmest month (with the lowest average wind speed) is August (4.8mph).
Average humidity in April
McHenry, MD
- Average humidity in April: 79%
The month with the highest relative humidity is February (87%).
The months with the lowest relative humidity are April, June, July and August (79%).
Average rainfall in April
McHenry, MD
- Average rainfall in April: 2.76"
The wettest month (with the highest rainfall) is May (3.43").
The driest month (with the least rainfall) is November (1.85").
Average rainfall days in April
McHenry, MD
- Average rainfall days in April: 15.9 days
The month with the highest number of rainy days is May (20.9 days).
The month with the least rainy days is February (7.3 days).
Average snowfall in April
McHenry, MD
- Average snowfall in April: 1.38"
The month with the highest snowfall is February (5.28").
The months with the least snowfall are June, July, August and September (0").
Average snowfall days in April
McHenry, MD
- Average snowfall days in April: 2.3 days
The month with the highest number of snowfall days is January (11.8 days).
The months with the least snowfall days are June, July, August and September (0 days).
Average daylight in April /
Average sunshine in April
McHenry, 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: 7h and 36min
The month with the most sunshine is August (Average sunshine: 9h and 42min).
The month with the least sunshine is January (Average sunshine: 3h and 6min).
Average sunshine days in April
McHenry, MD
- Average sunshine days in April: 12.2 days
The month with the most sunshine days is November (16.5 days).
The month with the least sunshine days is May (8.3 days).
Average UV index in April
McHenry, MD
- Average UV index in April: 3
The months with the highest UV index are May, June, July and August (UV index 5).
The month with the lowest UV index is December (UV index 1).
Average cloud cover in April
McHenry, MD
- Average cloud cover in April: 51
The month with the most cloud cover is January (Cloud cover 70).
The month with the least cloud cover is August (Cloud cover 40).
Average visibility in April
McHenry, MD
- Average visibility in April: 5mi
The months with the highest visibility are January, February, March, April, May, June, July, August, October, November and December (5mi).
The month with the lowest visibility is September (4mi).
