April weather forecastMahwah, NJ
April
Weather in April
April in Mahwah sees a unmistakable leap in warmer weather. There is an expansion in daylight and sunshine hours, influencing the significant rise in temperature. Along with this, the city encounters even more rainfall than in March. With 2.09" (53mm) of rain pouring over 15.2 days, residents can expect April to present many damp, but also greener landscapes.Temperature
Mahwah's weather shows a temperature rise with the arrival of April, moving from a frosty 46°F (7.8°C) in March to a refreshing 58.3°F (14.6°C). An average low-temperature of 41°F (5°C) is recorded during the nights in April.Humidity
The least humid month is April, with an average relative humidity of 72%.Rainfall
In Mahwah, during April, the rain falls for 15.2 days and regularly aggregates up to 2.09" (53mm) of precipitation. In Mahwah, during the entire year, the rain falls for 150.6 days and collects up to 25.12" (638mm) of precipitation.Snowfall
Months with snowfall are January through May, October through December. In Mahwah, during April, snow falls for 0.9 days and regularly aggregates up to 0.24" (6mm) of snow. Throughout the year, there are 28.5 snowfall days, and 10.98" (279mm) of snow is accumulated.Daylight
In April, the average length of the day is 13h and 20min.On the first day of April, sunrise is at 6:38 am and sunset at 7:22 pm. On the last day of the month, sunrise is at 5:54 am and sunset at 7:52 pm EDT.
Sunshine
In April, the average sunshine is 8.2h.UV index
In April, the average daily maximum UV index is 4. A UV Index reading of 3 to 5 represents a medium vulnerability from exposure to the Sun's UV radiation for average individuals.Note: The average daily UV index of 4 in April transforms into the following instructions:
Preventative actions are necessary - The mandate to avoid skin and eye damage is in place. To protect against the Sun's most potent rays, avoid direct exposure around midday. 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. Attention! Nearly twice the Sun's UV radiation can be reflected by snow.
Published by: Weather U.S. | About Us
Data Sources | Weather Forecasting & Climate
Frequently asked questions
Average temperature in April
Mahwah, NJ
- Average high temperature in April: 58.3°F
The warmest month (with the highest average high temperature) is July (84.2°F).
The month with the lowest average high temperature is January (34.3°F).
- Average low temperature in April: 41°F
The month with the highest average low temperature is July (65.3°F).
The coldest month (with the lowest average low temperature) is January (21.7°F).
Average pressure in April
Mahwah, 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
Mahwah, NJ
- Average wind speed in April: 7.4mph
The windiest month (with the highest average wind speed) is March (7.7mph).
The calmest month (with the lowest average wind speed) is August (5mph).
Average humidity in April
Mahwah, NJ
- Average humidity in April: 72%
The months with the highest relative humidity are February and December (79%).
The month with the lowest relative humidity is April (72%).
Average rainfall in April
Mahwah, NJ
- Average rainfall in April: 2.09"
The wettest month (with the highest rainfall) is December (2.68").
The driest month (with the least rainfall) is September (1.34").
Average rainfall days in April
Mahwah, NJ
- Average rainfall days in April: 15.2 days
The month with the highest number of rainy days is July (16.6 days).
The month with the least rainy days is January (7.8 days).
Average snowfall in April
Mahwah, NJ
- Average snowfall in April: 0.24"
The month with the highest snowfall is February (2.91").
The months with the least snowfall are June, July, August and September (0").
Average snowfall days in April
Mahwah, NJ
- Average snowfall days in April: 0.9 days
The month with the highest number of snowfall days is February (7.7 days).
The months with the least snowfall days are June, July, August and September (0 days).
Average daylight in April /
Average sunshine in April
Mahwah, NJ
- Average daylight in April: 13h and 18min
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 12min
The month with the most sunshine is July (Average sunshine: 10h and 24min).
The month with the least sunshine is February (Average sunshine: 4h and 30min).
Average sunshine days in April
Mahwah, NJ
- Average sunshine days in April: 12.7 days
The month with the most sunshine days is November (18.8 days).
The month with the least sunshine days is June (11.8 days).
Average UV index in April
Mahwah, 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
Mahwah, NJ
- Average cloud cover in April: 47
The months with the most cloud cover are February and March (Cloud cover 49).
The month with the least cloud cover is August (Cloud cover 33).
Average visibility in April
Mahwah, NJ
- Average visibility in April: 6mi
The months with the highest visibility are January, March, April, June, July, August, September, October, November and December (6mi).
The months with the lowest visibility are February and May (5mi).





