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
The arrival of April sees a shift in the average high-temperature, moving from a chilly 46.9°F (8.3°C) in March to a mild 59°F (15°C). Annandale records a consistent low-temperature of 41.4°F (5.2°C) during April nights.Humidity
April is the least humid month, with an average relative humidity of 75%.Rainfall
In April, in Annandale, the rain falls for 15.9 days. Throughout April, 2.83" (72mm) of precipitation is accumulated. Throughout the year, there are 162.3 rainfall days, and 32.83" (834mm) of precipitation is accumulated.Snowfall
Months with snowfall are January through May, October through December. In Annandale, in April, during 0.7 snowfall days, 0.28" (7mm) of snow is typically accumulated. Throughout the year, in Annandale, there are 27.8 snowfall days, and 15.35" (390mm) of snow is accumulated.Daylight
In Annandale, the average length of the day in April is 13h and 19min.On the first day of April, sunrise is at 6:41 am and sunset at 7:24 pm. On the last day of the month, sunrise is at 5:58 am and sunset at 7:54 pm EDT.
Sunshine
In April, the average sunshine is 8.1h.UV index
The average daily maximum UV index in April is 4. A UV Index estimate of 3 to 5 represents a moderate threat to health from exposure to the Sun's UV rays for average individuals.Note: The maximum UV index of 4 during April translates into these guidelines:
Exercise caution. Those with pale skin may experience burns in less than half an hour. Considering the harmful UV rays from the Sun during midday, it's essential to reduce exposure. During bright days, sunglasses that offer UVA and UVB defense are recommended. Take note! UV radiation from the Sun can double in intensity due to snow reflection.
Published by: Weather U.S. | About Us
Data Sources | Weather Forecasting & Climate
Frequently asked questions
What are April temperatures?
What is the least humid month?
What is the average humidity in April?
How much does it rain in April?
How many days does it snow in April?
What is the average length of the day in April?
When is the sunrise / sunset in April?
How long on average sun shines in April?
What is the UV index reading in April?
Average temperature in April
Annandale, NJ
- Average high temperature in April: 59°F
The warmest month (with the highest average high temperature) is July (83.8°F).
The month with the lowest average high temperature is January (35.1°F).
- Average low temperature in April: 41.4°F
The month with the highest average low temperature is July (64°F).
The coldest month (with the lowest average low temperature) is January (22.3°F).
Average pressure in April
Annandale, 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
Annandale, NJ
- Average wind speed in April: 8mph
The windiest month (with the highest average wind speed) is March (8.3mph).
The calmest month (with the lowest average wind speed) is August (5mph).
Average humidity in April
Annandale, NJ
- Average humidity in April: 75%
The months with the highest relative humidity are February, October and December (80%).
The month with the lowest relative humidity is April (75%).
Average rainfall in April
Annandale, NJ
- Average rainfall in April: 2.83"
The wettest month (with the highest rainfall) is December (3.35").
The driest month (with the least rainfall) is September (1.89").
Average rainfall days in April
Annandale, NJ
- Average rainfall days in April: 15.9 days
The month with the highest number of rainy days is July (17.6 days).
The month with the least rainy days is January (8.8 days).
Average snowfall in April
Annandale, NJ
- Average snowfall in April: 0.28"
The month with the highest snowfall is March (4.76").
The months with the least snowfall are June, July, August and September (0").
Average snowfall days in April
Annandale, NJ
- Average snowfall days in April: 0.7 days
The months with the highest number of snowfall days are January and February (8 days).
The months with the least snowfall days are June, July, August and September (0 days).
Average daylight in April /
Average sunshine in April
Annandale, NJ
- Average daylight in April: 13h and 2min
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 1min
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 36min).
Average sunshine days in April
Annandale, NJ
- Average sunshine days in April: 12.4 days
The month with the most sunshine days is November (17.5 days).
The month with the least sunshine days is June (11 days).
Average UV index in April
Annandale, 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
Annandale, NJ
- Average cloud cover in April: 46
The months with the most cloud cover are February and December (Cloud cover 49).
The months with the least cloud cover are July and August (Cloud cover 34).
Average visibility in April
Annandale, NJ
- Average visibility in April: 6mi
The months with the highest visibility are January, March, April, June, July, November and December (6mi).
The months with the lowest visibility are February, May, August, September and October (5mi).
Annandale, New Jersey, USA
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