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
April's onset brings a rise in the average high-temperature, moving from a frosty 44.4°F (6.9°C) in March to a fresh 53.6°F (12°C). During the month of April, Uniondale's average nighttime temperature closely mirrors its daytime counterpart, at a frosty 44.8°F (7.1°C).Humidity
In Uniondale, the average relative humidity in April is 73%.Rainfall
In Uniondale, in April, it is raining for 10.6 days, with typically 0.79" (20mm) of accumulated precipitation. Throughout the year, there are 112.1 rainfall days, and 8.66" (220mm) of precipitation is accumulated.Snowfall
In Uniondale, snow does not fall in April through September.Daylight
In April, the average length of the day is 13h and 19min.On the first day of the month, sunrise is at 6:36 am and sunset at 7:19 pm. On the last day of April, in Uniondale, sunrise is at 5:53 am and sunset at 7:49 pm EDT.
Sunshine
The average sunshine in April in Uniondale is 8.6h.UV index
In April, the average daily maximum UV index is 4. A UV Index value of 3 to 5 symbolizes a moderate threat to health from unprotected exposure to Sun's UV rays for ordinary individuals.Note: The average daily UV index of 4 in April transforms into the following instructions:
Take precautions. Light skin individuals may get burned in less than 30 minutes. The solar radiation around mid-day is intense; avoid the Sun and stay safe. To best shield against UV radiation, choose sun-safe garments and dependable sunglasses. 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
What is the average April temperature?
What is the average humidity in April?
How much does it rain in Uniondale in April?
When it does not snow?
Does it snow in April?
How many hours of daylight does Uniondale have in April?
When is the sunrise / sunset in April?
How many hours of sunshine does Uniondale have in April?
What is the UV index intensity in April?
Average temperature in April
Uniondale, NY
- Average high temperature in April: 53.6°F
The warmest month (with the highest average high temperature) is July (79.3°F).
The month with the lowest average high temperature is January (37.6°F).
- Average low temperature in April: 44.8°F
The month with the highest average low temperature is July (71.4°F).
The coldest month (with the lowest average low temperature) is January (29.3°F).
Average pressure in April
Uniondale, NY
- 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
Uniondale, NY
- Average wind speed in April: 11.2mph
The windiest month (with the highest average wind speed) is January (12.9mph).
The calmest month (with the lowest average wind speed) is July (8.5mph).
Average humidity in April
Uniondale, NY
- Average humidity in April: 73%
The month with the highest relative humidity is May (77%).
The month with the lowest relative humidity is November (71%).
Average rainfall in April
Uniondale, NY
- Average rainfall in April: 0.79"
The wettest month (with the highest rainfall) is July (0.98").
The driest month (with the least rainfall) is September (0.43").
Average rainfall days in April
Uniondale, NY
- Average rainfall days in April: 10.6 days
The month with the highest number of rainy days is July (12.4 days).
The month with the least rainy days is January (6.2 days).
Average snowfall in April
Uniondale, NY
- Average snowfall in April: 0"
The month with the highest snowfall is January (0.43").
The months with the least snowfall are April, May, June, July, August and September (0").
Average snowfall days in April
Uniondale, NY
- Average snowfall days in April: 0.2 days
The month with the highest number of snowfall days is January (4.2 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
Uniondale, NY
- 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 4min
The month with the most sunshine is July (Average sunshine: 10h and 54min).
The month with the least sunshine is February (Average sunshine: 4h and 48min).
Average sunshine days in April
Uniondale, NY
- Average sunshine days in April: 17.7 days
The month with the most sunshine days is November (21.5 days).
The month with the least sunshine days is July (15.1 days).
Average UV index in April
Uniondale, NY
- 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 and December (UV index 2).
Average cloud cover in April
Uniondale, NY
- Average cloud cover in April: 43
The month with the most cloud cover is December (Cloud cover 48).
The month with the least cloud cover is August (Cloud cover 27).
Average visibility in April
Uniondale, NY
- 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).
Uniondale, New York, USA
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