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 shift into April is marked by a rise in the average high-temperature, moving from March's frosty 46.6°F (8.1°C) to a mild 58.6°F (14.8°C). Throughout April, Hillsdale encounters an average temperature drop to an icy 42.3°F (5.7°C).Humidity
In Hillsdale, New Jersey, the average relative humidity in April is 71%.Rainfall
In April, the rain falls for 15.8 days. Throughout April, 2.8" (71mm) of precipitation is accumulated. In Hillsdale, during the entire year, the rain falls for 157.3 days and collects up to 32.72" (831mm) of precipitation.Snowfall
January through April, October through December are months with snowfall in Hillsdale. April is the last month it regularly snows. During 0.8 snowfall days, in April, Hillsdale aggregates 0.16" (4mm) of snow. In Hillsdale, during the entire year, snow falls for 28 days and aggregates up to 13.82" (351mm) of snow.Daylight
The average length of the day in April in Hillsdale is 13h and 20min.On the first day of April, sunrise is at 6:38 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
The average sunshine in April in Hillsdale, New Jersey, is 8h.UV index
The average daily maximum UV index in April in Hillsdale is 4. A UV Index of 3 to 5 symbolizes a medium health hazard from unprotected exposure to Sun's UV rays for the ordinary person.Note: A maximum daily UV index of 4 during April morphs into the following directions:
Act with care - The need to guard against sun damage is communicated. During midday, the Sun's radiation is strongest, and it's advisable to reduce direct exposure. In the presence of strong sunlight, it's crucial to wear sunglasses that ward off UVA and UVB rays. Observe! Snow reflection can nearly intensify the Sun's UV radiation twofold.
Published by: Weather U.S. | About Us
Data Sources | Weather Forecasting & Climate
Frequently asked questions
What is the average April temperature in Hillsdale?
What is the average humidity in April in Hillsdale?
How many days does it rain in April in Hillsdale?
What is the last month it snows in Hillsdale?
How many hours of daylight does Hillsdale have in April?
What time are sunrise and sunset in April in Hillsdale?
How long on average sun shines in April in Hillsdale?
What is the UV index intensity in April in Hillsdale?
Average temperature in April
Hillsdale, NJ
- Average high temperature in April: 58.6°F
The warmest month (with the highest average high temperature) is July (84.7°F).
The month with the lowest average high temperature is January (35.2°F).
- Average low temperature in April: 42.3°F
The month with the highest average low temperature is July (66.6°F).
The coldest month (with the lowest average low temperature) is January (22.8°F).
Average pressure in April
Hillsdale, 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
Hillsdale, NJ
- Average wind speed in April: 7.8mph
The windiest month (with the highest average wind speed) is March (8mph).
The calmest month (with the lowest average wind speed) is August (5.4mph).
Average humidity in April
Hillsdale, NJ
- Average humidity in April: 71%
The months with the highest relative humidity are February and December (78%).
The month with the lowest relative humidity is August (70%).
Average rainfall in April
Hillsdale, NJ
- Average rainfall in April: 2.8"
The wettest month (with the highest rainfall) is December (3.58").
The driest month (with the least rainfall) is September (1.89").
Average rainfall days in April
Hillsdale, NJ
- Average rainfall days in April: 15.8 days
The months with the highest number of rainy days are May and July (16.8 days).
The month with the least rainy days is January (8.4 days).
Average snowfall in April
Hillsdale, NJ
- Average snowfall in April: 0.16"
The month with the highest snowfall is February (4.09").
The months with the least snowfall are May, June, July, August and September (0").
Average snowfall days in April
Hillsdale, NJ
- Average snowfall days in April: 0.8 days
The month with the highest number of snowfall days is February (7.9 days).
The months with the least snowfall days are May, June, July, August and September (0 days).
Average daylight in April /
Average sunshine in April
Hillsdale, 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 0min
The month with the most sunshine is July (Average sunshine: 10h and 12min).
The month with the least sunshine is February (Average sunshine: 4h and 30min).
Average sunshine days in April
Hillsdale, NJ
- Average sunshine days in April: 12.4 days
The month with the most sunshine days is November (18.7 days).
The month with the least sunshine days is June (11.5 days).
Average UV index in April
Hillsdale, 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
Hillsdale, NJ
- Average cloud cover in April: 48
The month with the most cloud cover is March (Cloud cover 50).
The month with the least cloud cover is August (Cloud cover 34).
Average visibility in April
Hillsdale, 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).
Hillsdale, New Jersey, USA
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