April weather forecast and climate
River Vale, NJ

Weather in April

April in River Vale, New Jersey, is a mild spring month, with average temperature ranging between max 58.3°F (14.6°C) and min 43.2°F (6.2°C).

Temperature

In April, the average high-temperature increases, from a chilly 46.6°F (8.1°C) in March, to a mild 58.3°F (14.6°C). In River Vale, the average low-temperature is 43.2°F (6.2°C).

Humidity

In April, the average relative humidity is 70%.

Rainfall

In River Vale, in April, it is raining for 15.8 days, with typically 2.76" (70mm) of accumulated precipitation. Throughout the year, there are 153.9 rainfall days, and 30.75" (781mm) of precipitation is accumulated.

Snowfall

Months with snowfall are January through April, November and December. April is the last month it regularly snows. During 0.7 snowfall days, in April, River Vale aggregates 0.24" (6mm) of snow. Throughout the year, in River Vale, there are 25.5 snowfall days, and 10.55" (268mm) of snow is accumulated.

Daylight

The average length of the day in River Vale is 13.3h.

Sunshine

In April, the average sunshine in River Vale is 8.1h.

UV index

The average daily maximum UV index in River Vale is 4. A UV Index estimate of 3 to 5 represents a medium vulnerability from unsafe exposure to the UV radiation for ordinary individuals.
Note: In April, the average maximum UV index of 4 translate into the following recommendations:
Take precautions - Protection against the skin and eye damage is obliged. The Sun's most intense and consequently most harmful UV radiation during midday hours should be decreased by minimizing exposure and seeking shade. Sun-protective clothing, a long-sleeved shirt and pants, a wide-brimmed hat, and UVA and UVB-blocking sunglasses are particularly helpful in blocking UV radiation's harmful effects. Caution! The reflection of snow can nearly double the intensity of the Sun's UV radiation.
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FAQ

What is the temperature in April in River Vale?

The average high-temperature, in April, in River Vale, New Jersey, is 58.3°F (14.6°C), while the average low-temperature is 43.2°F (6.2°C).

What is the average humidity in April in River Vale?

In River Vale, the average relative humidity in April is 70%.

How much does it rain in River Vale in April?

In April, in River Vale, the rain falls for 15.8 days. Throughout April, 2.76" (70mm) of precipitation is accumulated.

What is the last month it snows in River Vale?

April is the last month it regularly snows. During 0.7 snowfall days, in April, River Vale aggregates 0.24" (6mm) of snow.

What is the average length of the day in April in River Vale?

In April, the average length of the day in River Vale is 13.3h.

How many hours of sunshine does River Vale have in April?

In River Vale, New Jersey, the average sunshine in April is 8.1h.

What is the UV index reading in April in River Vale?

The average daily maximum UV index in April is 4. A UV Index estimate of 3 to 5 represents a moderate health threat from unprotected exposure to the UV radiation.

Average temperature in April
River Vale, NJ

Average temperature in April - River Vale, NJ
  • Average high temperature in April: 58.3°F

The warmest month (with the highest average high temperature) is July (84.9°F).
The month with the lowest average high temperature is January (35.4°F).

  • Average low temperature in April: 43.2°F

The month with the highest average low temperature is July (68°F).
The coldest month (with the lowest average low temperature) is January (24.1°F).

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Average pressure in April
River Vale, NJ

Average pressure in April - River Vale, NJ
  • Average pressure in April: 29.98"

The month with the highest atmospheric pressure is November (30.1").
The month with the lowest atmospheric pressure is June (29.93").

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Average wind speed in April
River Vale, NJ

Average wind speed in April - River Vale, NJ
  • Average wind speed in April: 8.1mph

The windiest months (with the highest average wind speed) are January and March (8.5mph).
The calmest months (with the lowest average wind speed) are July and August (5.8mph).

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Average humidity in April
River Vale, NJ

Average humidity in April - River Vale, NJ
  • Average humidity in April: 70%

The month with the highest relative humidity is February (77%).
The month with the lowest relative humidity is August (68%).

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Average rainfall in April
River Vale, NJ

Average rainfall in April - River Vale, NJ
  • Average rainfall in April: 2.76"

The wettest month (with the highest rainfall) is December (3.46").
The driest month (with the least rainfall) is September (1.73").

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Average rainfall days in April
River Vale, NJ

Average rainfall days in April - River Vale, NJ
  • Average rainfall days in April: 15.8 days

The month with the highest number of rainy days is May (16.8 days).
The month with the least rainy days is January (8.2 days).

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Average snowfall in April
River Vale, NJ

Average snowfall in April - River Vale, NJ
  • Average snowfall in April: 0.24"

The month with the highest snowfall is March (3.07").
Months with the least snowfall are May, June, July, August, September and October (0").

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Average snowfall days in April
River Vale, NJ

Average snowfall days in April - River Vale, NJ
  • Average snowfall days in April: 0.7 days

The month with the highest number of snowfall days is January (6.9 days).
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
River Vale, NJ

Average daylight in April / Average sunshine in April - River Vale, NJ
  • Average daylight in April: 13.3h

The month with the longest days is June (Average daylight: 15.1h).
The month with the shortest days is December (Average daylight: 9.3h).

  • Average sunshine in April: 8.1h

The month with the most sunshine is July (Average sunshine: 10.3h).
The month with the least sunshine is February (Average sunshine: 4.6h).

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Average sunshine days in April
River Vale, NJ

Average sunshine days in April - River Vale, NJ
  • Average sunshine days in April: 12.7 days

Months with the most sunshine days are January and November (18.1 days).
Months with the least sunshine days are April and June (12.7 days).

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Average UV index in April
River Vale, NJ

Average UV index in April - River Vale, NJ
  • Average UV index in April: 4

Months with the highest UV index are June, July and August (UV index 6).
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
River Vale, NJ

Average cloud cover in April - River Vale, NJ
  • Average cloud cover in April: 47

Months with the most cloud cover are February, March and December (Cloud cover 49).
The month with the least cloud cover is August (Cloud cover 32).

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Average visibility in April
River Vale, NJ

Average visibility in April - River Vale, NJ
  • Average visibility in April: 6mi

Months with the highest visibility are January, February, March, April, May, June, July, August, September, October, November and December (6mi).
Months with the lowest visibility are January, February, March, April, May, June, July, August, September, October, November and December (6mi).

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