Contents
- Weather in April
- Frequently asked questions
- Average temperature in April
- Average pressure in April
- Average wind speed in April
- Average humidity in April
- Average rainfall in April
- Average rainfall days in April
- Average snowfall in April
- Average snowfall days in April
- Average daylight in April
- Average sunshine in April
- Average sunshine days in April
- Average UV index in April
- Average cloud cover in April
- Average visibility in April
Weather in April
Temperature
In Antietam Overlook, stepping into April brings a temperature increase, moving up from March's fresh 50.2°F (10.1°C) to an enjoyable 62.6°F (17°C). The average nighttime temperature lowers to a cold 42.4°F (5.8°C) throughout April.Humidity
The average relative humidity in April is 75%.Rainfall
In April, the rain falls for 17.3 days. Throughout April, 2.64" (67mm) of precipitation is accumulated. Throughout the year, there are 162.4 rainfall days, and 30.16" (766mm) of precipitation is accumulated.Snowfall
January through April, October through December are months with snowfall. April is the last month it regularly snows. During 0.3 snowfall days, in April, Antietam Overlook aggregates 0.16" (4mm) of snow. In Antietam Overlook, during the entire year, snow falls for 24.4 days and aggregates up to 14.29" (363mm) of snow.Daylight
In Antietam Overlook, the average length of the day in April is 13h and 16min.On the first day of April, sunrise is at 6:53 am and sunset at 7:35 pm. On the last day of the month, sunrise is at 6:11 am and sunset at 8:03 pm EDT.
Sunshine
The average sunshine in April is 8.5h.UV index
The average daily maximum UV index in April is 4. A UV Index reading of 3 to 5 represents a medium vulnerability from exposure to the Sun's UV radiation for the ordinary person.Note: A typical high UV index of 4 in April suggests the following recommendations:
Be vigilant - A duty to shield skin and eyes from injury exists. Midday is when the Sun's radiation is strongest; avoid prolonged exposure during this time. Sun-related eye harm can be minimized with proper sunglasses offering UVA and UVB coverage. Take note! UV radiation from the Sun can double in intensity due to snow reflection.
Published by: Weather U.S. | About Us
Data Sources | Weather Forecasting & Climate
Frequently asked questions
What are the temperatures in April?
What is the average humidity in April?
How much does it rain in April?
What is the last month it snows?
How many hours of daylight does Antietam Overlook have in April?
When is the sunrise / sunset in April?
How many hours of sunshine does Antietam Overlook have in April?
How high is the UV index in April?
Average temperature in April
Antietam Overlook, 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
Antietam Overlook, 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
Antietam Overlook, 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
Antietam Overlook, 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
Antietam Overlook, 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
Antietam Overlook, 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
Antietam Overlook, 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
Antietam Overlook, 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
Antietam Overlook, MD
- Average daylight in April: 13h and 2min
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 3min
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
Antietam Overlook, 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
Antietam Overlook, 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
Antietam Overlook, 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
Antietam Overlook, 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).
Antietam Overlook, Maryland, USA
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