April weather forecastGlyndon, MD
April
Weather in April
April in Glyndon, Maryland, is a refreshing spring month, with an average temperature varying between 43.9°F (6.6°C) and 62.1°F (16.7°C).Temperature
April sees a rise in the average high-temperature, climbing from a frosty 49.8°F (9.9°C) in March to an enjoyable 62.1°F (16.7°C). During April, Glyndon records a consistent average nighttime temperature of 43.9°F (6.6°C).Humidity
January, March, April, July and November, with an average relative humidity of 75%, are the least humid months.Rainfall
In April, the rain falls for 15.3 days. Throughout April, 2.56" (65mm) of precipitation is accumulated. In Glyndon, Maryland, during the entire year, the rain falls for 158.9 days and collects up to 31.38" (797mm) of precipitation.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, Glyndon aggregates 0.39" (10mm) of snow. In Glyndon, during the entire year, snow falls for 21.2 days and aggregates up to 10.55" (268mm) of snow.Daylight
In Glyndon, the average length of the day in April is 13h and 16min.On the first day of April, sunrise is at 6:50 am and sunset at 7:31 pm. On the last day of the month, sunrise is at 6:08 am and sunset at 8:00 pm EDT.
Sunshine
In April, the average sunshine is 8.4h.UV index
In Glyndon, the average daily maximum UV index in April is 4. A UV Index value of 3 to 5 symbolizes a moderate threat to health from unprotected exposure to Sun's UV rays for the average person.Note: The maximum daily UV index of 4 in April converts into the following recommendations:
Exercise prevention - Warding off sunburn is urged. Exposing oneself to the midday Sun can be harmful due to the strong UV radiation; limit your time outside. For optimum UV protection, wear sun-resistant attire complemented with a hat and quality shades. Stay alert! Snow's reflective properties can almost double the UV radiation from the Sun.
Published by: Weather U.S. | About Us
Data Sources | Weather Forecasting & Climate
Frequently asked questions
Average temperature in April
Glyndon, MD
- Average high temperature in April: 62.1°F
The warmest month (with the highest average high temperature) is July (84.2°F).
The month with the lowest average high temperature is January (37.4°F).
- Average low temperature in April: 43.9°F
The month with the highest average low temperature is July (66.7°F).
The coldest month (with the lowest average low temperature) is January (24.8°F).
Average pressure in April
Glyndon, 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
Glyndon, MD
- Average wind speed in April: 8.6mph
The windiest month (with the highest average wind speed) is March (8.9mph).
The calmest months (with the lowest average wind speed) are July and August (5.3mph).
Average humidity in April
Glyndon, MD
- Average humidity in April: 75%
The month with the highest relative humidity is May (80%).
The months with the lowest relative humidity are January, March, April, July and November (75%).
Average rainfall in April
Glyndon, MD
- Average rainfall in April: 2.56"
The wettest month (with the highest rainfall) is August (3.86").
The driest month (with the least rainfall) is February (1.89").
Average rainfall days in April
Glyndon, MD
- Average rainfall days in April: 15.3 days
The month with the highest number of rainy days is May (17.7 days).
The month with the least rainy days is January (8.3 days).
Average snowfall in April
Glyndon, MD
- Average snowfall in April: 0.39"
The month with the highest snowfall is March (3.46").
The months with the least snowfall are May, June, July, August and September (0").
Average snowfall days in April
Glyndon, MD
- Average snowfall days in April: 0.3 days
The month with the highest number of snowfall days is January (6.6 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
Glyndon, 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 36min).
The month with the least sunshine is February (Average sunshine: 4h and 42min).
Average sunshine days in April
Glyndon, MD
- Average sunshine days in April: 13.3 days
The month with the most sunshine days is November (18.9 days).
The month with the least sunshine days is May (11.2 days).
Average UV index in April
Glyndon, 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
Glyndon, MD
- Average cloud cover in April: 44
The month with the most cloud cover is March (Cloud cover 48).
The month with the least cloud cover is July (Cloud cover 31).
Average visibility in April
Glyndon, MD
- Average visibility in April: 6mi
The months with the highest visibility are January, February, March, April, June, July, August, October, November and December (6mi).
The months with the lowest visibility are May and September (5mi).





