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
River Vale in April experiences an increase in the average high-temperature, moving from March's chilly 46.6°F (8.1°C) to a mild 58.3°F (14.6°C). The low-temperature average for River Vale during April stands at a frosty 43.2°F (6.2°C).Humidity
In April, the average relative humidity is 70%.Rainfall
In River Vale, during April, the rain falls for 15.8 days and regularly aggregates up to 2.76" (70mm) of 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, there are 25.5 snowfall days, and 10.55" (268mm) of snow is accumulated.Daylight
In River Vale, the average length of the day in April is 13h and 20min.On the first day of April, sunrise is at 6:37 am and sunset at 7:21 pm. On the last day of the month, sunrise is at 5:54 am and sunset at 7:52 pm EDT.
Sunshine
In River Vale, the average sunshine in April is 8.1h.UV index
The average daily maximum UV index in April is 4. A UV Index of 3 to 5 symbolizes a moderate threat to health from exposure to the Sun's UV rays for ordinary individuals.Note: In April, a daily UV index of 4 turns into the following recommendations:
Prioritize safety - Recommendations to avert sunburn are shared. Direct Sun exposure should be minimized especially during midday when radiation is most intense. During bright days, sunglasses that offer UVA and UVB defense are recommended. Be advised! The UV radiation from the Sun can be almost doubled due to the reflective properties of snow.
Published by: Weather U.S. | About Us
Data Sources | Weather Forecasting & Climate
Frequently asked questions
What is the temperature in April?
What is the average humidity in April?
How many days does it rain in April?
What is the last month it snows?
What is the average length of the day in April?
When are sunrise and sunset in April in River Vale?
How many hours of sunshine does River Vale have in April?
How high is the UV index in April?
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).
Average pressure in April
River Vale, 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
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).
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%).
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").
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).
Average snowfall in April
River Vale, NJ
- Average snowfall in April: 0.24"
The month with the highest snowfall is March (3.07").
The months with the least snowfall are May, June, July, August, September and October (0").
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).
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
River Vale, 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: 8h and 1min
The month with the most sunshine is July (Average sunshine: 10h and 18min).
The month with the least sunshine is February (Average sunshine: 4h and 36min).
Average sunshine days in April
River Vale, NJ
- Average sunshine days in April: 12.7 days
The months with the most sunshine days are January and November (18.1 days).
The months with the least sunshine days are April and June (12.7 days).
Average UV index in April
River Vale, 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
River Vale, NJ
- Average cloud cover in April: 47
The 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).
Average visibility in April
River Vale, 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).
River Vale, New Jersey, USA
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