April weather forecastOld Germantown, MD
April
Weather in April
April in Old Germantown, Maryland, is a refreshing spring month, with temperature in the range of an average high of 63.5°F (17.5°C) and an average low of 45°F (7.2°C).Temperature
As April sets, the average high-temperature shows an increase, moving up from a cool 51.3°F (10.7°C) in March to a comfortable 63.5°F (17.5°C). During April, an average low-temperature of 45°F (7.2°C) is observed.Humidity
In Old Germantown, the average relative humidity in April is 73%.Rainfall
In April, the rain falls for 14.8 days. Throughout April, 2.6" (66mm) of precipitation is accumulated. In Old Germantown, during the entire year, the rain falls for 159.4 days and collects up to 30.71" (780mm) of precipitation.Snowfall
Months with snowfall are January through May, November and December. In Old Germantown, in April, snow falls for 0.3 days, with typically accumulated 0.35" (9mm) of snow. In Old Germantown, during the entire year, snow falls for 19.1 days and aggregates up to 10.04" (255mm) of snow.Daylight
The average length of the day in April in Old Germantown is 13h and 16min.On the first day of April, sunrise is at 6:52 am and sunset at 7:33 pm. On the last day of the month, sunrise is at 6:10 am and sunset at 8:01 pm EDT.
Sunshine
In April, the average sunshine in Old Germantown is 8.9h.UV index
In April, the average daily maximum UV index is 4. A UV Index estimate of 3 to 5 represents a medium health hazard from exposure to the Sun's UV rays for the ordinary person.Note: The average daily UV index of 4 in April transforms into the following instructions:
Be cautious. Those with fair skin can be subjected to burns in fewer than 30 minutes. Being in direct Sun during midday can be harmful due to intense solar radiation; take precautions. For optimum UV protection, wear sun-resistant attire complemented with a hat and quality shades. Beware! The strength of the UV rays is increased nearly double-fold by the reflection of the snow.
Published by: Weather U.S. | About Us
Data Sources | Weather Forecasting & Climate
Frequently asked questions
Average temperature in April
Old Germantown, MD
- Average high temperature in April: 63.5°F
The warmest month (with the highest average high temperature) is July (86.5°F).
The month with the lowest average high temperature is January (38.8°F).
- Average low temperature in April: 45°F
The month with the highest average low temperature is July (66.9°F).
The coldest month (with the lowest average low temperature) is January (25.2°F).
Average pressure in April
Old Germantown, 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 (29.95"Hg).
Average wind speed in April
Old Germantown, MD
- Average wind speed in April: 7.7mph
The windiest month (with the highest average wind speed) is March (7.8mph).
The calmest months (with the lowest average wind speed) are July and August (4.8mph).
Average humidity in April
Old Germantown, MD
- Average humidity in April: 73%
The months with the highest relative humidity are October and December (78%).
The month with the lowest relative humidity is July (72%).
Average rainfall in April
Old Germantown, MD
- Average rainfall in April: 2.6"
The wettest month (with the highest rainfall) is August (3.78").
The driest months (with the least rainfall) are January and February (1.97").
Average rainfall days in April
Old Germantown, MD
- Average rainfall days in April: 14.8 days
The month with the highest number of rainy days is May (17.5 days).
The months with the least rainy days are January and November (9.5 days).
Average snowfall in April
Old Germantown, MD
- Average snowfall in April: 0.35"
The month with the highest snowfall is March (2.83").
The months with the least snowfall are June, July, August, September and October (0").
Average snowfall days in April
Old Germantown, MD
- Average snowfall days in April: 0.3 days
The months with the highest number of snowfall days are January and February (5.8 days).
The months with the least snowfall days are June, July, August, September and October (0 days).
Average daylight in April /
Average sunshine in April
Old Germantown, 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 30min).
- Average sunshine in April: 8h and 54min
The month with the most sunshine is July (Average sunshine: 10h and 54min).
The month with the least sunshine is January (Average sunshine: 5h and 0min).
Average sunshine days in April
Old Germantown, MD
- Average sunshine days in April: 13.6 days
The month with the most sunshine days is November (19 days).
The month with the least sunshine days is July (11.3 days).
Average UV index in April
Old Germantown, 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
Old Germantown, MD
- Average cloud cover in April: 42
The month with the most cloud cover is March (Cloud cover 46).
The month with the least cloud cover is July (Cloud cover 30).
Average visibility in April
Old Germantown, MD
- Average visibility in April: 6mi
The months with the highest visibility are January, February, March, April, June, July, August, September, October, November and December (6mi).
The month with the lowest visibility is May (5mi).





