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 sees a rise in the average high-temperature, climbing from a frosty 44.1°F (6.7°C) in March to a refreshing 56.1°F (13.4°C). During the nights in April, Delaware experiences a consistent average temperature of 38.5°F (3.6°C).Humidity
The least humid month is April, with an average relative humidity of 76%.Rainfall
In Delaware, in April, during 16.8 rainfall days, 2.99" (76mm) of precipitation is typically accumulated. Throughout the year, there are 165.9 rainfall days, and 31.61" (803mm) of precipitation is accumulated.Snowfall
Months with snowfall in Delaware are January through May, October through December. In April, in Delaware, it is snowing for 1.9 days. Throughout April, 0.39" (10mm) of snow is accumulated. In Delaware, during the entire year, snow falls for 42.7 days and aggregates up to 21.26" (540mm) of snow.Daylight
In Delaware, New Jersey, the average length of the day in April is 13h and 20min.On the first day of April, sunrise is at 6:42 am and sunset at 7:25 pm. On the last day of the month, sunrise is at 5:58 am and sunset at 7:56 pm EDT.
Sunshine
The average sunshine in April in Delaware is 7.9h.UV index
The average daily maximum UV index in April is 3. A UV Index estimate of 3 to 5 represents a medium vulnerability from exposure to the Sun's UV radiation for ordinary individuals.Note: A typical high UV index of 3 in April suggests the following recommendations:
Ensure safety - Recommendations to avert sunburn are presented. To prevent harmful UV exposure, minimize direct contact with the Sun around midday. Shield yourself from the harmful effects of UV radiation with sun-protective attire, a hat, and quality sunglasses. Take heed! Reflection from the snow can almost amplify the Sun's UV radiation by double.
Frequently asked questions
What is the temperature in April in Delaware?
What is the least humid month in Delaware?
What is the average humidity in April in Delaware?
How much does it rain in Delaware in April?
How much does it snow in Delaware in April?
What is the average length of the day in April in Delaware?
When are sunrise and sunset in April in Delaware?
How long on average sun shines in April in Delaware?
How high is the UV index in April in Delaware?
Average temperature in April
Delaware, NJ
- Average high temperature in April: 56.1°F
The warmest month (with the highest average high temperature) is July (82.2°F).
The month with the lowest average high temperature is January (32.5°F).
- Average low temperature in April: 38.5°F
The month with the highest average low temperature is July (61.2°F).
The coldest month (with the lowest average low temperature) is January (19.8°F).
Average pressure in April
Delaware, NJ
- Average pressure in April: 29.98"Hg
The month with the highest atmospheric pressure is November (30.11"Hg).
The month with the lowest atmospheric pressure is June (29.93"Hg).
Average wind speed in April
Delaware, NJ
- Average wind speed in April: 7.5mph
The windiest months (with the highest average wind speed) are January, February and March (7.8mph).
The calmest month (with the lowest average wind speed) is August (4.9mph).
Average humidity in April
Delaware, NJ
- Average humidity in April: 76%
The months with the highest relative humidity are February, October and December (82%).
The month with the lowest relative humidity is April (76%).
Average rainfall in April
Delaware, NJ
- Average rainfall in April: 2.99"
The wettest month (with the highest rainfall) is July (3.11").
The driest month (with the least rainfall) is September (1.81").
Average rainfall days in April
Delaware, NJ
- Average rainfall days in April: 16.8 days
The month with the highest number of rainy days is July (17.4 days).
The month with the least rainy days is February (9.5 days).
Average snowfall in April
Delaware, NJ
- Average snowfall in April: 0.39"
The month with the highest snowfall is February (5.67").
The months with the least snowfall are June, July, August and September (0").
Average snowfall days in April
Delaware, NJ
- Average snowfall days in April: 1.9 days
The month with the highest number of snowfall days is January (11.4 days).
The months with the least snowfall days are June, July, August and September (0 days).
Average daylight in April /
Average sunshine in April
Delaware, NJ
- Average daylight in April: 13h and 2min
The month with the longest days is June (Average daylight: 15h and 6min).
The month with the shortest days is December (Average daylight: 9h and 18min).
- Average sunshine in April: 7h and 5min
The month with the most sunshine is July (Average sunshine: 10h and 12min).
The month with the least sunshine is February (Average sunshine: 4h and 18min).
Average sunshine days in April
Delaware, NJ
- Average sunshine days in April: 11.3 days
The month with the most sunshine days is November (16.4 days).
The month with the least sunshine days is June (11.1 days).
Average UV index in April
Delaware, NJ
- Average UV index in April: 3
The month with the highest UV index is June (UV index 6).
The month with the lowest UV index is December (UV index 1).
Average cloud cover in April
Delaware, NJ
- Average cloud cover in April: 49
The month with the most cloud cover is February (Cloud cover 52).
The month with the least cloud cover is July (Cloud cover 35).
Average visibility in April
Delaware, NJ
- Average visibility in April: 6mi
The month with the highest visibility is April (6mi).
The months with the lowest visibility are January, February, March, May, June, July, August, September, October, November and December (5mi).
Delaware, New Jersey, USA
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