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 arrival of April sees a shift in the average high-temperature, moving from a chilly 45.3°F (7.4°C) in March to a moderate 55.9°F (13.3°C). In April, Hillside records an average nighttime temperature of 44.6°F (7°C).Humidity
The average relative humidity in April in Hillside is 72%.Rainfall
In Hillside, during April, the rain falls for 14.1 days and regularly aggregates up to 2.8" (71mm) of precipitation. Throughout the year, there are 155.6 rainfall days, and 34.72" (882mm) of precipitation is accumulated.Snowfall
January through April, November and December are months with snowfall in Hillside. April is the last month it regularly snows. During 0.3 snowfall days, in April, Hillside aggregates 0.04" (1mm) of snow. In Hillside, during the entire year, snow falls for 15 days and aggregates up to 5.39" (137mm) of snow.Daylight
In Hillside, the average length of the day in April is 13h and 19min.On the first day of the month, sunrise is at 6:39 am and sunset at 7:22 pm. On the last day of April, sunrise is at 5:55 am and sunset at 7:52 pm EDT.
Sunshine
In Hillside, the average sunshine in April is 8.6h.UV index
In April, the average daily maximum UV index in Hillside is 4. A UV Index value of 3 to 5 symbolizes a moderate threat to health from unsafe exposure to UV radiation for the ordinary person.Note: A maximum daily UV index of 4 during April morphs into the following directions:
Act with care - Obligation to protect against skin and eye damage is highlighted. It's crucial to reduce time in the direct Sun around mid-day due to the intense solar radiation. A wide-brimmed hat provides unparalleled sun protection for sensitive areas like the eyes, ears, and neck. Be watchful! The reflection of snow can enhance the intensity of the Sun's UV radiation nearly double.
Published by: Weather U.S. | About Us
Data Sources | Weather Forecasting & Climate
Frequently asked questions
What are the temperatures in Hillside in April?
What is the average humidity in April in Hillside?
How many days does it rain in April in Hillside?
What is the last month it snows in Hillside?
What is the average length of the day in April in Hillside?
When are sunrise and sunset in April in Hillside?
How long on average sun shines in April in Hillside?
What is the UV index intensity in April in Hillside?
Average temperature in April
Hillside, NJ
- Average high temperature in April: 55.9°F
The warmest month (with the highest average high temperature) is July (81.9°F).
The month with the lowest average high temperature is January (36.9°F).
- Average low temperature in April: 44.6°F
The month with the highest average low temperature is July (70.3°F).
The coldest month (with the lowest average low temperature) is January (27.7°F).
Average pressure in April
Hillside, 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
Hillside, NJ
- Average wind speed in April: 9.9mph
The windiest month (with the highest average wind speed) is January (11.2mph).
The calmest month (with the lowest average wind speed) is July (7.3mph).
Average humidity in April
Hillside, NJ
- Average humidity in April: 72%
The months with the highest relative humidity are February, May and December (75%).
The months with the lowest relative humidity are August and November (71%).
Average rainfall in April
Hillside, NJ
- Average rainfall in April: 2.8"
The wettest month (with the highest rainfall) is July (4.02").
The driest month (with the least rainfall) is January (2.05").
Average rainfall days in April
Hillside, NJ
- Average rainfall days in April: 14.1 days
The month with the highest number of rainy days is July (17.9 days).
The month with the least rainy days is January (7.8 days).
Average snowfall in April
Hillside, NJ
- Average snowfall in April: 0.04"
The month with the highest snowfall is March (1.85").
The months with the least snowfall are May, June, July, August, September and October (0").
Average snowfall days in April
Hillside, NJ
- Average snowfall days in April: 0.3 days
The month with the highest number of snowfall days is January (4.5 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
Hillside, 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 4min
The month with the most sunshine is July (Average sunshine: 10h and 48min).
The month with the least sunshine is February (Average sunshine: 4h and 48min).
Average sunshine days in April
Hillside, NJ
- Average sunshine days in April: 14.6 days
The months with the most sunshine days are January and November (19.7 days).
The month with the least sunshine days is July (11 days).
Average UV index in April
Hillside, 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
Hillside, NJ
- Average cloud cover in April: 43
The month with the most cloud cover is December (Cloud cover 47).
The months with the least cloud cover are July and August (Cloud cover 28).
Average visibility in April
Hillside, 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).
Hillside, New Jersey, USA
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