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
April's arrival in Frederick brings a temperature shift, moving from a cool 50.4°F (10.2°C) in March to a comfortable 62.6°F (17°C). An average nighttime temperature of 43°F (6.1°C) is recorded in Frederick, Maryland, during April.Humidity
The average relative humidity in April in Frederick is 75%.Rainfall
In Frederick, in April, it is raining for 16.3 days, with typically 2.6" (66mm) of accumulated precipitation. Throughout the year, there are 159.7 rainfall days, and 30.04" (763mm) of precipitation is accumulated.Snowfall
January through May, November and December are months with snowfall in Frederick. In Frederick, in April, snow falls for 0.1 days, with typically accumulated 0.04" (1mm) of snow. In Frederick, during the entire year, snow falls for 19.8 days and aggregates up to 11.46" (291mm) of snow.Daylight
In Frederick, the average length of the day in April is 13h and 16min.On the first day of the month, sunrise is at 6:52 am and sunset at 7:33 pm. On the last day of April, sunrise is at 6:10 am and sunset at 8:02 pm EDT.
Sunshine
In Frederick, Maryland, the average sunshine in April is 8.6h.UV index
In April, the average daily maximum UV index in Frederick is 4. A UV Index reading of 3 to 5 represents a moderate health risk from unprotected exposure to Sun's UV rays for the ordinary person.Note: An average maximum UV index of 4 in April leads to these recommendations:
Put precautions into practice - Guidance to elude sunburn is provided. Considering the harmful UV rays from the Sun during midday, it's essential to reduce exposure. Employ a wide-brim hat for potent defense against up to 50% of UV rays. Mind this! Nearly twice the UV radiation from the Sun can be reflected by the snow.
Frequently asked questions
What is the usual temperature for Frederick in April?
What is the average humidity in April in Frederick?
How much does it rain in Frederick in April?
How many days does it snow in April in Frederick?
How many hours of daylight does Frederick have in April?
What time are sunrise and sunset in April in Frederick?
How many hours of sunshine does Frederick have in April?
What is the UV index reading in April in Frederick?
Average temperature in April
Frederick, 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 (37.6°F).
- Average low temperature in April: 43°F
The month with the highest average low temperature is July (64.9°F).
The coldest month (with the lowest average low temperature) is January (23.7°F).
Average pressure in April
Frederick, 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
Frederick, 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 (4.7mph).
Average humidity in April
Frederick, 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
Frederick, MD
- Average rainfall in April: 2.6"
The wettest month (with the highest rainfall) is May (3.54").
The driest month (with the least rainfall) is January (1.85").
Average rainfall days in April
Frederick, MD
- Average rainfall days in April: 16.3 days
The month with the highest number of rainy days is May (18.6 days).
The month with the least rainy days is January (8.7 days).
Average snowfall in April
Frederick, MD
- Average snowfall in April: 0.04"
The month with the highest snowfall is January (3.66").
The months with the least snowfall are June, July, August, September and October (0").
Average snowfall days in April
Frederick, MD
- Average snowfall days in April: 0.1 days
The months with the highest number of snowfall days are January and February (6.3 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
Frederick, 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 4min
The month with the most sunshine is July (Average sunshine: 10h and 36min).
The months with the least sunshine are January and February (Average sunshine: 4h and 48min).
Average sunshine days in April
Frederick, MD
- Average sunshine days in April: 12.4 days
The month with the most sunshine days is November (18.9 days).
The month with the least sunshine days is May (11.1 days).
Average UV index in April
Frederick, 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
Frederick, MD
- Average cloud cover in April: 43
The months with the most cloud cover are January, February and March (Cloud cover 48).
The month with the least cloud cover is July (Cloud cover 32).
Average visibility in April
Frederick, MD
- Average visibility in April: 6mi
The months with the highest visibility are February, March, April, June, July, August, November and December (6mi).
The months with the lowest visibility are January, May, September and October (5mi).
Frederick, Maryland, USA
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