April weather forecastHenderson, NY
April
Weather in April
April in Henderson, New York, is a fresh spring month, with temperature in the range of an average low of 35.8°F (2.1°C) and an average high of 50.5°F (10.3°C).Temperature
As March gives way to April, the average high-temperature displays an increase, moving from an icy 37°F (2.8°C) to a fresh 50.5°F (10.3°C). Henderson's nighttime temperature in April drops to an average of 35.8°F (2.1°C).Humidity
April and September, with an average relative humidity of 77%, are the least humid months.Rainfall
In Henderson, in April, during 15.3 rainfall days, 2.87" (73mm) of precipitation is typically accumulated. In Henderson, during the entire year, the rain falls for 158.6 days and collects up to 30.39" (772mm) of precipitation.Snowfall
January through May, October through December are months with snowfall. In April, it is snowing for 5.3 days. Throughout April, 1.3" (33mm) of snow is accumulated. Throughout the year, there are 81.1 snowfall days, and 36.61" (930mm) of snow is accumulated.Daylight
In Henderson, the average length of the day in April is 13h and 28min.On the first day of the month, sunrise is at 6:44 am and sunset at 7:32 pm. On the last day of April, sunrise is at 5:56 am and sunset at 8:06 pm EDT.
Sunshine
In April, the average sunshine is 7.3h.UV index
The average daily maximum UV index in April is 3. A UV Index reading of 3 to 5 represents a medium vulnerability from exposure to the Sun's UV radiation for average individuals.Note: A maximum high UV index of 3 in April translates into the following recommendations:
Take measures. Individuals with light skin might experience burns in under 30 minutes. Midday is the peak time for the Sun's radiation; stay in the shade and protect yourself. Fend off the sun's harsh rays with appropriate clothing, a wide-brim hat, and UV-protective sunglasses. Notice! The UV radiation of the Sun can be intensified nearly twofold due to the reflective quality of snow.
Published by: Weather U.S. | About Us
Data Sources | Weather Forecasting & Climate
Frequently asked questions
Average temperature in April
Henderson, NY
- Average high temperature in April: 50.5°F
The warmest month (with the highest average high temperature) is July (76.1°F).
The month with the lowest average high temperature is January (26.6°F).
- Average low temperature in April: 35.8°F
The month with the highest average low temperature is July (61°F).
The coldest month (with the lowest average low temperature) is January (16°F).
Average pressure in April
Henderson, NY
- Average pressure in April: 29.96"Hg
The month with the highest atmospheric pressure is November (30.08"Hg).
The month with the lowest atmospheric pressure is June (29.91"Hg).
Average wind speed in April
Henderson, NY
- Average wind speed in April: 9.9mph
The windiest month (with the highest average wind speed) is January (11mph).
The calmest month (with the lowest average wind speed) is July (6.8mph).
Average humidity in April
Henderson, NY
- Average humidity in April: 77%
The months with the highest relative humidity are January and February (87%).
The months with the lowest relative humidity are April and September (77%).
Average rainfall in April
Henderson, NY
- Average rainfall in April: 2.87"
The wettest month (with the highest rainfall) is October (3.23").
The driest month (with the least rainfall) is September (1.85").
Average rainfall days in April
Henderson, NY
- Average rainfall days in April: 15.3 days
The month with the highest number of rainy days is October (17.4 days).
The months with the least rainy days are January and February (7 days).
Average snowfall in April
Henderson, NY
- Average snowfall in April: 1.3"
The month with the highest snowfall is December (9.21").
The months with the least snowfall are June, July, August and September (0").
Average snowfall days in April
Henderson, NY
- Average snowfall days in April: 5.3 days
The month with the highest number of snowfall days is January (19 days).
The months with the least snowfall days are June, July, August and September (0 days).
Average daylight in April /
Average sunshine in April
Henderson, NY
- Average daylight in April: 13h and 30min
The month with the longest days is June (Average daylight: 15h and 24min).
The month with the shortest days is December (Average daylight: 9h and 0min).
- Average sunshine in April: 7h and 18min
The month with the most sunshine is July (Average sunshine: 10h and 18min).
The months with the least sunshine are January and February (Average sunshine: 2h and 42min).
Average sunshine days in April
Henderson, NY
- Average sunshine days in April: 10.3 days
The month with the most sunshine days is September (15 days).
The months with the least sunshine days are January and February (7.3 days).
Average UV index in April
Henderson, NY
- Average UV index in April: 3
The month with the highest UV index is July (UV index 6).
The months with the lowest UV index are January and December (UV index 1).
Average cloud cover in April
Henderson, NY
- Average cloud cover in April: 52
The month with the most cloud cover is January (Cloud cover 74).
The month with the least cloud cover is August (Cloud cover 30).
Average visibility in April
Henderson, NY
- Average visibility in April: 6mi
The months with the highest visibility are April, May, June, July, August, September, October and November (6mi).
The months with the lowest visibility are January, February, March and December (5mi).





