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
As March gives way to April, the average high-temperature displays an increase, moving from a chilly 45.9°F (7.7°C) to a moderate 57°F (13.9°C). Harrison, during the nights of April, experiences an average temperature drop to a chilly 43.9°F (6.6°C).Humidity
The average relative humidity in April is 71%.Rainfall
In April, the rain falls for 14.1 days. Throughout April, 2.2" (56mm) of precipitation is accumulated. In Harrison, during the entire year, the rain falls for 150.3 days and collects up to 27.72" (704mm) of precipitation.Snowfall
Months with snowfall are January through April, November and December. April is the last month it regularly snows. During 0.3 snowfall days, in April, Harrison aggregates 0.08" (2mm) of snow. In Harrison, during the entire year, snow falls for 18.1 days and aggregates up to 8.46" (215mm) of snow.Daylight
The average length of the day in April is 13h and 20min.On the first day of April, sunrise is at 6:38 am and sunset at 7:21 pm. On the last day of the month, sunrise is at 5:55 am and sunset at 7:52 pm EDT.
Sunshine
In April, the average sunshine is 8.4h.UV index
In April, the average daily maximum UV index is 4. A UV Index estimate of 3 to 5 represents a medium vulnerability from exposure to the Sun's UV radiation for the ordinary person.Note: During April, 4 as the daily maximum UV index converts into the following advice:
Preventative actions are necessary - The mandate to avoid skin and eye damage is in place. During midday, the Sun's radiation is strongest, and it's advisable to reduce direct exposure. During bright days, sunglasses that offer UVA and UVB defense are recommended. Observe! Snow reflection can nearly intensify the Sun's UV radiation twofold.
Published by: Weather U.S. | About Us
Data Sources | Weather Forecasting & Climate
Frequently asked questions
What are April temperatures?
What is the average humidity in April?
How much does it rain in April?
What is the last month it snows?
How many hours of daylight does Harrison have in April?
When are sunrise and sunset in April in Harrison?
How many hours of sunshine does Harrison have in April?
What is the UV index intensity in April?
Average temperature in April
Harrison, NJ
- Average high temperature in April: 57°F
The warmest month (with the highest average high temperature) is July (82.9°F).
The month with the lowest average high temperature is January (36.3°F).
- Average low temperature in April: 43.9°F
The month with the highest average low temperature is July (69.4°F).
The coldest month (with the lowest average low temperature) is January (25.9°F).
Average pressure in April
Harrison, NJ
- Average pressure in April: 29.98"Hg
The month with the highest atmospheric pressure is November (30.1"Hg).
The month with the lowest atmospheric pressure is June (29.93"Hg).
Average wind speed in April
Harrison, NJ
- Average wind speed in April: 9mph
The windiest month (with the highest average wind speed) is January (9.9mph).
The calmest month (with the lowest average wind speed) is July (6.5mph).
Average humidity in April
Harrison, NJ
- Average humidity in April: 71%
The months with the highest relative humidity are February and December (75%).
The month with the lowest relative humidity is August (70%).
Average rainfall in April
Harrison, NJ
- Average rainfall in April: 2.2"
The wettest month (with the highest rainfall) is July (3.23").
The driest months (with the least rainfall) are January and February (1.69").
Average rainfall days in April
Harrison, NJ
- Average rainfall days in April: 14.1 days
The month with the highest number of rainy days is July (17.3 days).
The month with the least rainy days is January (7.3 days).
Average snowfall in April
Harrison, NJ
- Average snowfall in April: 0.08"
The month with the highest snowfall is March (2.8").
The months with the least snowfall are May, June, July, August, September and October (0").
Average snowfall days in April
Harrison, NJ
- Average snowfall days in April: 0.3 days
The months with the highest number of snowfall days are January and February (5.3 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
Harrison, NJ
- Average daylight in April: 13h and 2min
The month with the longest days is June (Average daylight: 15h and 0min).
The month with the shortest days is December (Average daylight: 9h and 18min).
- Average sunshine in April: 8h and 2min
The month with the most sunshine is July (Average sunshine: 10h and 42min).
The month with the least sunshine is February (Average sunshine: 4h and 48min).
Average sunshine days in April
Harrison, NJ
- Average sunshine days in April: 14.7 days
The month with the most sunshine days is January (19.6 days).
The month with the least sunshine days is July (12 days).
Average UV index in April
Harrison, NJ
- Average UV index in April: 4
The months with the highest UV index are June, July and August (UV index 6).
The months with the lowest UV index are January, February, March, November and December (UV index 2).
Average cloud cover in April
Harrison, NJ
- Average cloud cover in April: 44
The months with the most cloud cover are February, March and December (Cloud cover 47).
The month with the least cloud cover is August (Cloud cover 29).
Average visibility in April
Harrison, NJ
- Average visibility in April: 6mi
The months with the highest visibility are January, February, March, April, May, June, July, August, September, October, November and December (6mi).
The months with the lowest visibility are January, February, March, April, May, June, July, August, September, October, November and December (6mi).
Harrison, New Jersey, USA
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