April weather forecastShelter Island, NY
April
Weather in April
April is a fresh spring month in Shelter Island, New York, with temperature in the range of an average low of 44.2°F (6.8°C) and an average high of 50°F (10°C).Temperature
As March gives way to April, the average high-temperature displays a slight ascent, adjusting from a frosty 43°F (6.1°C) to a fresh 50°F (10°C). April in Shelter Island witnesses a minor deviation from daytime peaks, with an average nighttime temperature of 44.2°F (6.8°C).Humidity
In April, the average relative humidity is 77%.Rainfall
In Shelter Island, in April, it is raining for 14.3 days, with typically 2.99" (76mm) of accumulated precipitation. In Shelter Island, during the entire year, the rain falls for 154.1 days and collects up to 34.92" (887mm) of precipitation.Snowfall
In Shelter Island, snow does not fall in April through October.Daylight
The average length of the day in April is 13h and 20min.On the first day of the month, sunrise is at 6:31 am and sunset at 7:14 pm. On the last day of April, sunrise is at 5:47 am and sunset at 7:45 pm EDT.
Sunshine
The average sunshine in April in Shelter Island is 8.4h.UV index
The average daily maximum UV index in April in Shelter Island is 3. A UV Index estimate of 3 to 5 represents a medium vulnerability from exposure to the Sun's UV radiation for the ordinary person.Note: A daily high UV index of 3 in April leads to these guidelines:
Exercise prevention - Protecting skin and eyes from harm is required. Solar radiation peaks around mid-day, so it's wise to limit exposure to the Sun at this time. On bright days sunglasses that block both UVA and UVB rays should be worn. A hat with a wide brim is extremely helpful, as it can prevent roughly 50% of UV radiation from reaching the eyes. Take heed! Reflection from the snow can almost amplify the Sun's UV radiation by double.
Published by: Weather U.S. | About Us
Data Sources | Weather Forecasting & Climate
Frequently asked questions
Average temperature in April
Shelter Island, NY
- Average high temperature in April: 50°F
The warmest month (with the highest average high temperature) is August (75.9°F).
The month with the lowest average high temperature is January (38.8°F).
- Average low temperature in April: 44.2°F
The month with the highest average low temperature is August (71.2°F).
The coldest month (with the lowest average low temperature) is January (31.3°F).
Average pressure in April
Shelter Island, NY
- Average pressure in April: 29.98"Hg
The month with the highest atmospheric pressure is November (30.08"Hg).
The month with the lowest atmospheric pressure is June (29.93"Hg).
Average wind speed in April
Shelter Island, NY
- Average wind speed in April: 13.8mph
The windiest month (with the highest average wind speed) is January (16mph).
The calmest month (with the lowest average wind speed) is July (10.4mph).
Average humidity in April
Shelter Island, NY
- Average humidity in April: 77%
The months with the highest relative humidity are May and June (81%).
The month with the lowest relative humidity is November (72%).
Average rainfall in April
Shelter Island, NY
- Average rainfall in April: 2.99"
The wettest month (with the highest rainfall) is December (3.82").
The driest month (with the least rainfall) is September (2.17").
Average rainfall days in April
Shelter Island, NY
- Average rainfall days in April: 14.3 days
The month with the highest number of rainy days is May (15.3 days).
The month with the least rainy days is January (9.1 days).
Average snowfall in April
Shelter Island, NY
- Average snowfall in April: 0"
The month with the highest snowfall is March (2.36").
The months with the least snowfall are April, May, June, July, August, September and October (0").
Average snowfall days in April
Shelter Island, 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, September and October (0 days).
Average daylight in April /
Average sunshine in April
Shelter Island, NY
- Average daylight in April: 13h and 18min
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 24min
The months with the most sunshine are July and August (Average sunshine: 10h and 36min).
The month with the least sunshine is December (Average sunshine: 4h and 36min).
Average sunshine days in April
Shelter Island, NY
- Average sunshine days in April: 14.7 days
The month with the most sunshine days is November (16.8 days).
The month with the least sunshine days is February (12.8 days).
Average UV index in April
Shelter Island, NY
- Average UV index in April: 3
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
Shelter Island, NY
- Average cloud cover in April: 44
The month with the most cloud cover is December (Cloud cover 52).
The month with the least cloud cover is August (Cloud cover 27).
Average visibility in April
Shelter Island, 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).
