April weather forecast
Hillside, NJ

Weather in April

April is a moderate spring month in Hillside, New Jersey, with temperature in the range of an average low of 44.6°F (7°C) and an average high of 55.9°F (13.3°C).

Temperature

In April, the average high-temperature increases from a chilly 45.3°F (7.4°C) in March to a mild 55.9°F (13.3°C). In April, in Hillside, the average low-temperature is 44.6°F (7°C).

Humidity

In Hillside, the average relative humidity in April is 72%.

Rainfall

In Hillside, it is raining for 14.1 days, with typically 2.8" (71mm) of accumulated precipitation. Throughout the year, in Hillside, there are 155.6 rainfall days, and 34.72" (882mm) of precipitation is accumulated.

Snowfall

Months with snowfall in Hillside are January through April, November and December. April is the last month it regularly snows in Hillside. During 0.3 snowfall days, 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 April, sunrise is at 6:40 am and sunset at 7:21 pm. On the last day of the month, sunrise is at 5:56 am and sunset at 7:51 pm EDT.

Sunshine

The average sunshine in April in Hillside is 8.6h.

UV index

The average daily maximum UV index in April in Hillside is 4. A UV Index of 3 to 5 symbolizes a moderate threat to health from exposure to the Sun's UV rays for the average person.
Note: In April, the average maximum UV index of 4 translate into the following recommendations:
Take precautions - Protection against skin and eye damage is obliged. The solar radiation is most powerful near the mid-day, so the exposure to the direct Sun should be reduced accordingly. On bright days sunglasses that block both UVA and UVB rays should be worn. A hat with a wide brim is extremely helpful, as it can prevent roughly 50% of UV radiation from reaching the eyes. Beware! The strength of the UV rays is increased nearly double-fold by the reflection of the snow.
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FAQ

What is the temperature in April in Hillside?

In April, in Hillside, New Jersey, the average high-temperature is 55.9°F (13.3°C), and the average low-temperature is 44.6°F (7°C).

What is the average humidity in April in Hillside?

In April, the average relative humidity in Hillside, New Jersey, is 72%.

How many days does it rain in April in Hillside?

In Hillside, New Jersey, during April, the rain falls for 14.1 days and regularly aggregates up to 2.8" (71mm) of precipitation.

What is the last month it snows in Hillside?

April is the last month it regularly snows in Hillside. During 0.3 snowfall days, in April, Hillside aggregates 0.04" (1mm) of snow.

How many hours of daylight does Hillside have in April?

In April, the average day length in Hillside is 13h and 19min.

When are sunrise and sunset in April in Hillside?

In April, on the first day of the month, sunrise is at 6:40 am and sunset at 7:21 pm. On the last day of the month, in Hillside, sunrise is at 5:56 am and sunset at 7:51 pm EDT.

How many hours of sunshine does Hillside have in April?

The average sunshine duration in April is 8.6h.

How high is the UV index in April in Hillside?

The average daily maximum UV index in April in Hillside is 4. A UV Index of 3 to 5 symbolizes a medium health risk from exposure to the Sun's UV radiation.
Average humidity
Average rainfall days
Average snowfall days
Average sunshine
Average sunshine days
Average UV index
Average cloud cover
Average visibility

Average temperature in April
Hillside, NJ

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).

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Average pressure in April
Hillside, NJ

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).

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Average wind speed in April
Hillside, NJ

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).

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Average humidity in April
Hillside, NJ

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%).

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Average rainfall in April
Hillside, NJ

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").

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Average rainfall days in April
Hillside, NJ

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).

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Average snowfall in April
Hillside, NJ

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").

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Average snowfall days in April
Hillside, NJ

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).

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Average daylight in April /
Average sunshine in April
Hillside, NJ

Average daylight in April / Average sunshine in April - Hillside, NJ
  • Average daylight in April: 13h and 19min

The month with the longest days is June (Average daylight: 15h and 2min).
The month with the shortest days is December (Average daylight: 9h and 19min).

  • Average sunshine in April: 8h and 36min

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).

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Average sunshine days in April
Hillside, NJ

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).

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Average UV index in April
Hillside, NJ

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).

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Average cloud cover in April
Hillside, NJ

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).

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Average visibility in April
Hillside, NJ

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).

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