April weather forecastWatchung, NJ
April
Weather in April
April in Watchung, New Jersey, is a mild spring month, with an average temperature fluctuating between 43.3°F (6.3°C) and 59°F (15°C).Temperature
The shift into April is accompanied by a temperature increase, with the average high-temperature rising from a frosty 47.3°F (8.5°C) in March to a refreshing 59°F (15°C). During April, Watchung experiences an average low-temperature of 43.3°F (6.3°C) at night.Humidity
The months with the lowest humidity in Watchung are April and August, with an average relative humidity of 73%.Rainfall
In Watchung, during April, the rain falls for 15.4 days and regularly aggregates up to 2.36" (60mm) of precipitation. Throughout the year, in Watchung, New Jersey, there are 160.7 rainfall days, and 30.12" (765mm) of precipitation is accumulated.Snowfall
January through May, October through December are months with snowfall. In Watchung, during April, snow falls for 0.6 days and regularly aggregates up to 0.2" (5mm) of snow. Throughout the year, in Watchung, there are 25.4 snowfall days, and 10.31" (262mm) of snow is accumulated.Daylight
In Watchung, the average length of the day in April is 13h and 19min.On the first day of April, sunrise is at 6:39 am and sunset at 7:22 pm. On the last day of the month, sunrise is at 5:56 am and sunset at 7:53 pm EDT.
Sunshine
In Watchung, the average sunshine in April is 8.2h.UV index
In April, the average daily maximum UV index is 4. A UV Index estimate of 3 to 5 represents a moderate threat to health from exposure to the Sun's UV radiation for average individuals.Note: A typical high UV index of 4 in April suggests the following recommendations:
Ensure safety - Imperative it is to shield skin and eyes from damage. Avoid the Sun's strongest UV rays by seeking shade and limiting exposure during midday. To cut down UV radiation exposure by about half, sport a wide-brim hat. Mind this! Nearly twice the UV radiation from the Sun can be reflected by the snow.
Published by: Weather U.S. | About Us
Data Sources | Weather Forecasting & Climate
Frequently asked questions
Average temperature in April
Watchung, NJ
- Average high temperature in April: 59°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 (36°F).
- Average low temperature in April: 43.3°F
The month with the highest average low temperature is July (67.5°F).
The coldest month (with the lowest average low temperature) is January (23.9°F).
Average pressure in April
Watchung, NJ
- Average pressure in April: 29.98"Hg
The month with the highest atmospheric pressure is November (30.11"Hg).
The month with the lowest atmospheric pressure is June (29.93"Hg).
Average wind speed in April
Watchung, NJ
- Average wind speed in April: 8.5mph
The windiest month (with the highest average wind speed) is March (8.9mph).
The calmest months (with the lowest average wind speed) are July and August (5.7mph).
Average humidity in April
Watchung, NJ
- Average humidity in April: 73%
The months with the highest relative humidity are February, October and December (78%).
The months with the lowest relative humidity are April and August (73%).
Average rainfall in April
Watchung, NJ
- Average rainfall in April: 2.36"
The wettest month (with the highest rainfall) is December (3.19").
The driest month (with the least rainfall) is September (1.69").
Average rainfall days in April
Watchung, NJ
- Average rainfall days in April: 15.4 days
The month with the highest number of rainy days is July (16.5 days).
The month with the least rainy days is January (9.5 days).
Average snowfall in April
Watchung, NJ
- Average snowfall in April: 0.2"
The month with the highest snowfall is March (3.23").
The months with the least snowfall are June, July, August and September (0").
Average snowfall days in April
Watchung, NJ
- Average snowfall days in April: 0.6 days
The months with the highest number of snowfall days are January and February (7.3 days).
The months with the least snowfall days are June, July, August and September (0 days).
Average daylight in April /
Average sunshine in April
Watchung, NJ
- Average daylight in April: 13h and 18min
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 12min
The month with the most sunshine is July (Average sunshine: 10h and 30min).
The month with the least sunshine is February (Average sunshine: 4h and 36min).
Average sunshine days in April
Watchung, NJ
- Average sunshine days in April: 12.4 days
The month with the most sunshine days is November (18.4 days).
The month with the least sunshine days is June (11.4 days).
Average UV index in April
Watchung, 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
Watchung, NJ
- Average cloud cover in April: 45
The months with the most cloud cover are February, March and December (Cloud cover 48).
The months with the least cloud cover are July and August (Cloud cover 32).
Average visibility in April
Watchung, NJ
- Average visibility in April: 6mi
The months with the highest visibility are January, February, March, April, June, July, August, September, October, November and December (6mi).
The month with the lowest visibility is May (5mi).





