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
The onset of April brings a rise in the average high-temperature, elevating from a fresh 52.9°F (11.6°C) in March to an enjoyable 65.3°F (18.5°C). Jefferson experiences a mean low-temperature of 46.9°F (8.3°C) during April.Humidity
The months with the lowest humidity are April and July, with an average relative humidity of 71%.Rainfall
In Jefferson, in April, it is raining for 15.7 days, with typically 2.8" (71mm) of accumulated precipitation. In Jefferson, during the entire year, the rain falls for 161.2 days and collects up to 31.54" (801mm) of precipitation.Snowfall
January through April, November and December are months with snowfall. April is the last month it regularly snows in Jefferson. During 0.2 snowfall days, in April, Jefferson aggregates 0.24" (6mm) of snow. Throughout the year, in Jefferson, there are 16.1 snowfall days, and 10.39" (264mm) of snow is accumulated.Daylight
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 7:34 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 9h.UV index
In Jefferson, the average daily maximum UV index in April is 4. A UV Index value of 3 to 5 symbolizes a moderate health risk from unsafe exposure to UV radiation for average individuals.Note: The UV index of 4 during April leads to these advisories:
Act with care - The suggestion to avoid sunburn is emphasized. It's crucial to reduce time in the direct Sun around mid-day due to the intense solar radiation. For excellent sun protection for the eyes, ears, face, and neck, consider a wide-brim hat. Take careful note! The UV radiation of the Sun can be nearly doubled by snow reflection.
Published by: Weather U.S. | About Us
Data Sources | Weather Forecasting & Climate
Frequently asked questions
What is the temperature in April?
What is the least humid month?
What is the average humidity in April in Jefferson?
How many days does it rain in April?
What is the last month it snows?
How many hours of daylight does Jefferson have in April?
What time are sunrise and sunset in April?
How many hours of sunshine does Jefferson have in April?
What is the UV index intensity in April?
Average temperature in April
Jefferson, MD
- Average high temperature in April: 65.3°F
The warmest month (with the highest average high temperature) is July (87.6°F).
The month with the lowest average high temperature is January (40.5°F).
- Average low temperature in April: 46.9°F
The month with the highest average low temperature is July (69.1°F).
The coldest month (with the lowest average low temperature) is January (27.1°F).
Average pressure in April
Jefferson, 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
Jefferson, MD
- Average wind speed in April: 7.5mph
The windiest month (with the highest average wind speed) is March (7.6mph).
The calmest month (with the lowest average wind speed) is August (4.8mph).
Average humidity in April
Jefferson, MD
- Average humidity in April: 71%
The month with the highest relative humidity is October (77%).
The months with the lowest relative humidity are April and July (71%).
Average rainfall in April
Jefferson, MD
- Average rainfall in April: 2.8"
The wettest month (with the highest rainfall) is August (3.78").
The driest month (with the least rainfall) is January (2.05").
Average rainfall days in April
Jefferson, MD
- Average rainfall days in April: 15.7 days
The month with the highest number of rainy days is May (18.2 days).
The month with the least rainy days is November (8.9 days).
Average snowfall in April
Jefferson, MD
- Average snowfall in April: 0.24"
The month with the highest snowfall is January (3.31").
The months with the least snowfall are May, June, July, August, September and October (0").
Average snowfall days in April
Jefferson, MD
- Average snowfall days in April: 0.2 days
The month with the highest number of snowfall days is January (4.9 days).
The months with the least snowfall days are May, June, July, August, September and October (0 days).
Average daylight in April /
Average sunshine in April
Jefferson, 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: 9h and 0min
The month with the most sunshine is July (Average sunshine: 10h and 54min).
The months with the least sunshine are January, February and December (Average sunshine: 5h and 12min).
Average sunshine days in April
Jefferson, MD
- Average sunshine days in April: 12.3 days
The month with the most sunshine days is November (19.2 days).
The month with the least sunshine days is July (10.9 days).
Average UV index in April
Jefferson, 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, November and December (UV index 2).
Average cloud cover in April
Jefferson, MD
- Average cloud cover in April: 40
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
Jefferson, 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).
Jefferson, Maryland, USA
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