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
In April, the average high-temperature increases from a chilly 46.9°F (8.3°C) in March to a moderate 58.3°F (14.6°C). During April, Roselle experiences an average low-temperature of 43.5°F (6.4°C) at night.Humidity
April and August, with an average relative humidity of 72%, are the least humid months.Rainfall
In Roselle, in April, it is raining for 11.2 days, with typically 0.67" (17mm) of accumulated precipitation. In Roselle, New Jersey, during the entire year, the rain falls for 117.5 days and collects up to 9.17" (233mm) of precipitation.Snowfall
January through April, November and December are months with snowfall in Roselle. April is the last month it regularly snows. During 0.3 snowfall days, in April, Roselle aggregates 0.04" (1mm) of snow. In Roselle, during the entire year, snow falls for 16.7 days and aggregates up to 1.97" (50mm) of snow.Daylight
In Roselle, the average length of the day in April is 13h and 19min.On the first day of April in Roselle, sunrise is at 6:39 am and sunset at 7:22 pm. On the last day of the month, sunrise is at 5:55 am and sunset at 7:52 pm EDT.
Sunshine
In Roselle, the average sunshine in April is 8.4h.UV index
In April, the average daily maximum UV index in Roselle, New Jersey, is 4. A UV Index reading 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:
Act with care - Obligation to protect against skin and eye damage is highlighted. The Sun is most powerful around mid-day, so it's a good practice to reduce direct exposure. Employ a hat with a wide brim for robust protection, cutting UV exposure by half. Mark this! Snow reflection can nearly double the UV radiation intensity from the Sun.
Published by: Weather U.S. | About Us
Data Sources | Weather Forecasting & Climate
Frequently asked questions
What is the usual temperature for Roselle in April?
What is the least humid month in Roselle?
What is the average humidity in April in Roselle?
How much does it rain in Roselle in April?
What is the last month it snows in Roselle?
What is the average length of the day in April in Roselle?
When are sunrise and sunset in April in Roselle?
How many hours of sunshine does Roselle have in April?
What is the UV index reading in April in Roselle?
Average temperature in April
Roselle, NJ
- Average high temperature in April: 58.3°F
The warmest month (with the highest average high temperature) is July (83.5°F).
The month with the lowest average high temperature is January (36°F).
- Average low temperature in April: 43.5°F
The month with the highest average low temperature is July (68.2°F).
The coldest month (with the lowest average low temperature) is January (24.6°F).
Average pressure in April
Roselle, 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
Roselle, NJ
- Average wind speed in April: 8.6mph
The windiest month (with the highest average wind speed) is January (9.3mph).
The calmest month (with the lowest average wind speed) is July (6mph).
Average humidity in April
Roselle, NJ
- Average humidity in April: 72%
The months with the highest relative humidity are February and December (77%).
The months with the lowest relative humidity are April and August (72%).
Average rainfall in April
Roselle, NJ
- Average rainfall in April: 0.67"
The wettest month (with the highest rainfall) is July (1.22").
The driest month (with the least rainfall) is September (0.43").
Average rainfall days in April
Roselle, NJ
- Average rainfall days in April: 11.2 days
The month with the highest number of rainy days is July (13.9 days).
The month with the least rainy days is January (5.9 days).
Average snowfall in April
Roselle, NJ
- Average snowfall in April: 0.04"
The month with the highest snowfall is March (0.75").
The months with the least snowfall are May, June, July, August, September and October (0").
Average snowfall days in April
Roselle, NJ
- Average snowfall days in April: 0.3 days
The month with the highest number of snowfall days is February (5.1 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
Roselle, 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 2min
The month with the most sunshine is July (Average sunshine: 10h and 36min).
The month with the least sunshine is February (Average sunshine: 4h and 42min).
Average sunshine days in April
Roselle, NJ
- Average sunshine days in April: 15.8 days
The month with the most sunshine days is January (22.1 days).
The month with the least sunshine days is June (13.5 days).
Average UV index in April
Roselle, 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
Roselle, NJ
- Average cloud cover in April: 44
The months with the most cloud cover are February, March and December (Cloud cover 47).
The month with the least cloud cover is August (Cloud cover 30).
Average visibility in April
Roselle, 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).
Roselle, New Jersey, USA
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