April weather forecastSyosset, NY
April
Weather in April
April is a cool spring month in Syosset, New York, with temperature in the range of an average high of 53.8°F (12.1°C) and an average low of 44.8°F (7.1°C).Temperature
The shift into April brings an increase in the average high-temperature, moving from a frosty 44.6°F (7°C) in March to a cool 53.8°F (12.1°C). Syosset experiences an average nighttime temperature of 44.8°F (7.1°C) in April, reflecting a minor difference from the day's peak.Humidity
The average relative humidity in April is 73%.Rainfall
In April, the rain falls for 10.3 days. Throughout April, 0.75" (19mm) of precipitation is accumulated. Throughout the year, there are 103.6 rainfall days, and 7.83" (199mm) of precipitation is accumulated.Snowfall
April through November are months without snowfall in Syosset.Daylight
In April, the average length of the day is 13h and 20min.On the first day of April in Syosset, sunrise is at 6:36 am and sunset at 7:19 pm. On the last day of the month, sunrise is at 5:52 am and sunset at 7:49 pm EDT.
Sunshine
In April, the average sunshine in Syosset is 8.5h.UV index
In Syosset, New York, the average daily maximum UV index in April is 4. A UV Index reading of 3 to 5 represents a medium health hazard from unprotected exposure to Sun's UV rays for the ordinary person.Note: The average daily UV index of 4 in April transforms into the following instructions:
Exercise prevention - Warding off sunburn is urged. The midday Sun can be harmful due to its potent UV radiation; seek shade and reduce exposure. To best shield against UV radiation, choose sun-safe garments and dependable sunglasses. Mark this! Snow reflection can nearly double the UV radiation intensity from the Sun.
Published by: Weather U.S. | About Us
Data Sources | Weather Forecasting & Climate
Frequently asked questions
Average temperature in April
Syosset, NY
- Average high temperature in April: 53.8°F
The warmest month (with the highest average high temperature) is July (80.1°F).
The month with the lowest average high temperature is January (37.4°F).
- Average low temperature in April: 44.8°F
The months with the highest average low temperature are July and August (71.2°F).
The coldest month (with the lowest average low temperature) is January (28.8°F).
Average pressure in April
Syosset, NY
- Average pressure in April: 29.98"Hg
The month with the highest atmospheric pressure is November (30.09"Hg).
The month with the lowest atmospheric pressure is June (29.93"Hg).
Average wind speed in April
Syosset, NY
- Average wind speed in April: 10.9mph
The windiest month (with the highest average wind speed) is January (12.5mph).
The calmest month (with the lowest average wind speed) is July (8.1mph).
Average humidity in April
Syosset, NY
- Average humidity in April: 73%
The months with the highest relative humidity are May and June (76%).
The month with the lowest relative humidity is November (71%).
Average rainfall in April
Syosset, NY
- Average rainfall in April: 0.75"
The wettest month (with the highest rainfall) is July (0.87").
The driest month (with the least rainfall) is September (0.35").
Average rainfall days in April
Syosset, NY
- Average rainfall days in April: 10.3 days
The month with the highest number of rainy days is July (11.3 days).
The month with the least rainy days is January (5.4 days).
Average snowfall in April
Syosset, NY
- Average snowfall in April: 0"
The month with the highest snowfall is March (0.43").
The months with the least snowfall are April, May, June, July, August, September, October and November (0").
Average snowfall days in April
Syosset, NY
- Average snowfall days in April: 0.2 days
The month with the highest number of snowfall days is January (4.4 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
Syosset, 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 30min
The month with the most sunshine is July (Average sunshine: 10h and 48min).
The month with the least sunshine is February (Average sunshine: 4h and 42min).
Average sunshine days in April
Syosset, NY
- Average sunshine days in April: 17.8 days
The month with the most sunshine days is January (22.4 days).
The month with the least sunshine days is July (16.9 days).
Average UV index in April
Syosset, 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
Syosset, NY
- Average cloud cover in April: 43
The month with the most cloud cover is December (Cloud cover 48).
The months with the least cloud cover are July and August (Cloud cover 28).
Average visibility in April
Syosset, 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).
