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 sea temperature 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 is marked by a subtle temperature increase, moving from a chilly 43°F (6.1°C) in March to a fresh 50°F (10°C). Shelter Island Heights, during April nights, observes a steady temperature, averaging at a chilly 44.2°F (6.8°C).Humidity
The average relative humidity in April is 77%.Rainfall
In April, in Shelter Island Heights, the rain falls for 14.3 days. Throughout April, 2.99" (76mm) of precipitation is accumulated. In Shelter Island Heights, New York, during the entire year, the rain falls for 154.1 days and collects up to 34.92" (887mm) of precipitation.Snowfall
April through October are months without snowfall in Shelter Island Heights.Ocean temperature
In April, the average ocean temperature is 44.4°F (6.9°C).Note: You can swim in 44.4°F (6.9°C) below 50°F (10°C) with proper thermal wear; failing that, the cold shock and respiratory challenges are nearly certain. A short span at 55.4°F (13°C) without it is tough.
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, in Shelter Island Heights, sunrise is at 5:47 am and sunset at 7:45 pm EDT.
Sunshine
In Shelter Island Heights, the average sunshine in April is 8.4h.UV index
In April, the average daily maximum UV index is 3. A UV Index reading of 3 to 5 represents a medium health hazard from unsafe exposure to UV radiation for ordinary individuals.Note: A daily maximum UV index of 3 in April translates into the following instructions:
Take precautions - Protection against sunburn is recommended. Avoid the Sun's strongest UV rays by seeking shade and limiting exposure during midday. A wide-brimmed hat provides unparalleled sun protection for sensitive areas like the eyes, ears, and neck. Take into account! The reflection from snow can nearly double the Sun's UV radiation intensity.
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 April?
When it does not snow?
Does it snow in April?
How cold is the water in April?
How many hours of daylight does Shelter Island Heights have in April?
What time are sunrise and sunset in April?
How many hours of sunshine does Shelter Island Heights have in April?
What is the UV index intensity in April?
Average temperature in April
Shelter Island Heights, 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 Heights, 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 Heights, 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 Heights, 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 Heights, 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 Heights, 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 Heights, 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 Heights, 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 sea temperature in April
Shelter Island Heights, NY
- Average sea temperature in April: 44.4°F
The best month for swimming (with the highest average sea temperature) is August (72.1°F).
The coldest month (with the lowest average sea temperature) is February (38.8°F).
Average daylight in April /
Average sunshine in April
Shelter Island Heights, NY
- Average daylight in April: 13h and 2min
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 2min
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 Heights, 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 Heights, 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 Heights, 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 Heights, 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).
Shelter Island Heights, New York, USA
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