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 coincides with a rise in the average high-temperature, moving from March's chilly 44.4°F (6.9°C) to a refreshing 57°F (13.9°C). Sussex reports a consistent average low-temperature of 39°F (3.9°C) throughout April nights.Humidity
The least humid month is April, with an average relative humidity of 76%.Rainfall
In April, the rain falls for 17.6 days. Throughout April, 3.07" (78mm) of precipitation is accumulated. In Sussex, during the entire year, the rain falls for 164.9 days and collects up to 31.89" (810mm) of precipitation.Snowfall
Months with snowfall are January through May, October through December. In Sussex, in April, during 1.3 snowfall days, 0.39" (10mm) of snow is typically accumulated. In Sussex, during the entire year, snow falls for 36.9 days and aggregates up to 19.84" (504mm) of snow.Daylight
The average length of the day in April is 13h and 21min.On the first day of April, sunrise is at 6:40 am and sunset at 7:23 pm. On the last day of the month, sunrise is at 5:56 am and sunset at 7:54 pm EDT.
Sunshine
The average sunshine in April is 7.8h.UV index
The average daily maximum UV index in April is 3. A UV Index reading of 3 to 5 represents a medium vulnerability from exposure to the Sun's UV rays for average individuals.Note: An average UV index of 3 in April transforms into this advice:
Preventative actions are necessary - Recommendations to ward off sunburn are given. Avoiding direct sun during mid-day hours can prevent harmful UV radiation exposure. A wide-brimmed hat provides unparalleled sun protection for sensitive areas like the eyes, ears, and neck. Note well! The intensity of the Sun's UV rays can be nearly doubled by snow reflection.
Published by: Weather U.S. | About Us
Data Sources | Weather Forecasting & Climate
Frequently asked questions
What are April temperatures?
What is the least humid month?
What is the average humidity in April?
How much does it rain in April?
How many days does it snow in April?
What is the average length of the day in April?
What time are sunrise and sunset in April?
How many hours of sunshine does Sussex have in April?
How high is the UV index in April?
Average temperature in April
Sussex, NJ
- Average high temperature in April: 57°F
The warmest month (with the highest average high temperature) is July (82.6°F).
The month with the lowest average high temperature is January (32.7°F).
- Average low temperature in April: 39°F
The month with the highest average low temperature is July (61.3°F).
The coldest month (with the lowest average low temperature) is January (19.8°F).
Average pressure in April
Sussex, 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
Sussex, NJ
- Average wind speed in April: 7.4mph
The windiest month (with the highest average wind speed) is March (7.7mph).
The calmest month (with the lowest average wind speed) is August (4.8mph).
Average humidity in April
Sussex, 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
Sussex, NJ
- Average rainfall in April: 3.07"
The wettest month (with the highest rainfall) is May (3.19").
The driest month (with the least rainfall) is September (1.85").
Average rainfall days in April
Sussex, NJ
- Average rainfall days in April: 17.6 days
The month with the highest number of rainy days is May (18.1 days).
The month with the least rainy days is January (8.7 days).
Average snowfall in April
Sussex, NJ
- Average snowfall in April: 0.39"
The month with the highest snowfall is February (5.43").
The months with the least snowfall are June, July, August and September (0").
Average snowfall days in April
Sussex, NJ
- Average snowfall days in April: 1.3 days
The months with the highest number of snowfall days are January and February (9.8 days).
The months with the least snowfall days are June, July, August and September (0 days).
Average daylight in April /
Average sunshine in April
Sussex, 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 6min).
The month with the least sunshine is February (Average sunshine: 4h and 12min).
Average sunshine days in April
Sussex, NJ
- Average sunshine days in April: 10.4 days
The month with the most sunshine days is November (17.1 days).
The month with the least sunshine days is April (10.4 days).
Average UV index in April
Sussex, NJ
- Average UV index in April: 3
The months with the highest UV index are May, June, July and August (UV index 5).
The month with the lowest UV index is December (UV index 1).
Average cloud cover in April
Sussex, NJ
- Average cloud cover in April: 50
The month with the most cloud cover is February (Cloud cover 52).
The month with the least cloud cover is July (Cloud cover 36).
Average visibility in April
Sussex, NJ
- Average visibility in April: 5mi
The months with the highest visibility are January, February, March, April, May, June, July, August, September, October, November and December (5mi).
The months with the lowest visibility are January, February, March, April, May, June, July, August, September, October, November and December (5mi).
Sussex, New Jersey, USA
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