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
As March transitions into April, Old Tappan sees a rise in the average high-temperature, moving from a chilly 46.6°F (8.1°C) to a mild 58.3°F (14.6°C). In April, Old Tappan experiences a temperature dip to an average of 43.2°F (6.2°C) at night.Humidity
In Old Tappan, the average relative humidity in April is 70%.Rainfall
In Old Tappan, in April, it is raining for 15.8 days, with typically 2.76" (70mm) of accumulated precipitation. In Old Tappan, during the entire year, the rain falls for 153.9 days and collects up to 30.75" (781mm) of precipitation.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, Old Tappan aggregates 0.24" (6mm) of snow. In Old Tappan, during the entire year, snow falls for 25.5 days and aggregates up to 10.55" (268mm) of snow.Daylight
In Old Tappan, the average length of the day in April is 13h and 20min.On the first day of April in Old Tappan, New Jersey, 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 Old Tappan, New Jersey, the average sunshine in April is 8.1h.UV index
The average daily maximum UV index in April in Old Tappan is 4. A UV Index reading of 3 to 5 represents a moderate health risk from unsafe exposure to UV radiation for the average person.Note: The maximum UV index of 4 during April leads to these instructions:
Guard yourself - Avoiding sunburn is suggested. To prevent harmful UV exposure, minimize direct contact with the Sun around midday. A hat with a generous brim can prevent nearly 50% of UV rays from reaching your eyes. Stay alert! Snow's reflective properties can almost double the UV radiation from the Sun.
Frequently asked questions
What are the temperatures in Old Tappan in April?
What is the average humidity in April in Old Tappan?
How many days does it rain in April in Old Tappan?
What is the last month it snows in Old Tappan?
What is the average length of the day in April in Old Tappan?
When is the sunrise / sunset in April in Old Tappan?
How long on average sun shines in April in Old Tappan?
What is the UV index reading in April in Old Tappan?
Average temperature in April
Old Tappan, 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
Old Tappan, 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
Old Tappan, 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
Old Tappan, 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
Old Tappan, 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
Old Tappan, 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
Old Tappan, 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
Old Tappan, 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
Old Tappan, 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
Old Tappan, 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
Old Tappan, 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
Old Tappan, 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
Old Tappan, 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).
Old Tappan, New Jersey, USA
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