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 arrival is marked by an increase in the average high-temperature, moving from a wintry 37°F (2.8°C) in March to a fresh 50.5°F (10.3°C). Henderson Harbor's average low-temperature is measured at a cold 35.8°F (2.1°C) during April.Humidity
April and September, with an average relative humidity of 77%, are the least humid months in Henderson Harbor, New York.Rainfall
In Henderson Harbor, in April, during 15.3 rainfall days, 2.87" (73mm) of precipitation is typically accumulated. Throughout the year, in Henderson Harbor, New York, there are 158.6 rainfall days, and 30.39" (772mm) of precipitation is accumulated.Snowfall
Months with snowfall are January through May, October through December. In Henderson Harbor, in April, during 5.3 snowfall days, 1.3" (33mm) of snow is typically accumulated. In Henderson Harbor, during the entire year, snow falls for 81.1 days and aggregates up to 36.61" (930mm) of snow.Daylight
In April, the average length of the day in Henderson Harbor 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 8:07 pm EDT.
Sunshine
In Henderson Harbor, the average sunshine in April is 7.3h.UV index
In Henderson Harbor, the average daily maximum UV index in April is 3. A UV Index reading of 3 to 5 represents a medium health hazard from exposure to the Sun's UV rays for the ordinary person.Note: In April, the maximum UV index of 3 translates into these guidelines:
Be cautious. Those with fair skin can be subjected to burns in fewer than 30 minutes. Sun's radiation is most powerful around mid-day, so it's best to limit outdoor activities during this time. On days when the sun blazes, arm yourself with sunglasses that block UVA and UVB radiation. Be aware! The reflective nature of snow can magnify the Sun's UV radiation almost twofold.
Published by: Weather U.S. | About Us
Data Sources | Weather Forecasting & Climate
Frequently asked questions
What is the usual temperature for Henderson Harbor in April?
What is the least humid month in Henderson Harbor?
What is the average humidity in April in Henderson Harbor?
How much does it rain in Henderson Harbor in April?
How much does it snow in Henderson Harbor in April?
What is the average length of the day in April in Henderson Harbor?
When is the sunrise / sunset in April in Henderson Harbor?
How long on average sun shines in April in Henderson Harbor?
What is the UV index intensity in April in Henderson Harbor?
Average temperature in April
Henderson Harbor, 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 Harbor, 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 Harbor, 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 Harbor, 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 Harbor, 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 Harbor, 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 Harbor, 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 Harbor, 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 Harbor, NY
- Average daylight in April: 13h and 3min
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 2min
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 Harbor, 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 Harbor, 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 Harbor, 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 Harbor, 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).
Henderson Harbor, New York, USA
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