April weather forecastHewlett Harbor, NY
April
Weather in April
April is a fresh spring month in Hewlett Harbor, New York, with an average temperature ranging between max 54.7°F (12.6°C) and min 45.1°F (7.3°C).Temperature
Hewlett Harbor's April weather shows an increase in high-temperatures, moving from March's chilly 45.1°F (7.3°C) to a fresh 54.7°F (12.6°C). During April, the temperature in Hewlett Harbor tends to dip to an average of 45.1°F (7.3°C) at night.Humidity
The average relative humidity in April in Hewlett Harbor is 73%.Rainfall
In Hewlett Harbor, New York, in April, it is raining for 12.8 days, with typically 1.46" (37mm) of accumulated precipitation. In Hewlett Harbor, during the entire year, the rain falls for 135.3 days and collects up to 18.62" (473mm) of precipitation.Snowfall
April through September are months without snowfall in Hewlett Harbor.Ocean temperature
In Hewlett Harbor, the average seawater temperature in April is 46°F (7.8°C).Note: Swimming in 46°F (7.8°C) can be lethal. Merely spending a few minutes in 55.4°F (13°C) waters feels harsh, and venturing below 50°F (10°C) might disrupt breathing control and bring about cold shock, contingent on individual resilience.
Daylight
In April, the average length of the day in Hewlett Harbor is 13h and 19min.On the first day of April in Hewlett Harbor, sunrise is at 6:36 am and sunset at 7:19 pm. On the last day of the month, sunrise is at 5:53 am and sunset at 7:50 pm EDT.
Sunshine
In Hewlett Harbor, the average sunshine in April is 8.6h.UV index
In Hewlett Harbor, the average daily maximum UV index in April is 4. A UV Index value of 3 to 5 symbolizes a medium health hazard from exposure to the Sun's UV radiation for ordinary individuals.Note: The UV index of 4 during April leads to these advisories:
Adopt protective measures - Suggestions to resist sunburn are offered. Considering the harmful UV rays from the Sun during midday, it's essential to reduce exposure. A hat with a broad brim is indispensable, filtering out up to half of UV rays. Notice this! Nearly double the intensity of the Sun's UV radiation can be caused by snow reflection.
Published by: Weather U.S. | About Us
Data Sources | Weather Forecasting & Climate
Frequently asked questions
Average temperature in April
Hewlett Harbor, NY
- Average high temperature in April: 54.7°F
The warmest month (with the highest average high temperature) is July (80.6°F).
The month with the lowest average high temperature is January (37°F).
- Average low temperature in April: 45.1°F
The month with the highest average low temperature is August (71.1°F).
The coldest month (with the lowest average low temperature) is January (28.2°F).
Average pressure in April
Hewlett Harbor, NY
- Average pressure in April: 29.98"Hg
The month with the highest atmospheric pressure is November (30.1"Hg).
The month with the lowest atmospheric pressure is June (29.93"Hg).
Average wind speed in April
Hewlett Harbor, NY
- Average wind speed in April: 10.7mph
The windiest month (with the highest average wind speed) is January (12.4mph).
The calmest month (with the lowest average wind speed) is July (8mph).
Average humidity in April
Hewlett Harbor, NY
- Average humidity in April: 73%
The month with the highest relative humidity is May (77%).
The month with the lowest relative humidity is November (72%).
Average rainfall in April
Hewlett Harbor, NY
- Average rainfall in April: 1.46"
The wettest months (with the highest rainfall) are July and August (2.32").
The driest month (with the least rainfall) is January (0.91").
Average rainfall days in April
Hewlett Harbor, NY
- Average rainfall days in April: 12.8 days
The month with the highest number of rainy days is July (15.1 days).
The month with the least rainy days is January (7.3 days).
Average snowfall in April
Hewlett Harbor, NY
- Average snowfall in April: 0"
The month with the highest snowfall is March (1.02").
The months with the least snowfall are April, May, June, July, August and September (0").
Average snowfall days in April
Hewlett Harbor, NY
- Average snowfall days in April: 0.1 days
The month with the highest number of snowfall days is January (4.6 days).
The months with the least snowfall days are May, June, July, August and September (0 days).
Average sea temperature in April
Hewlett Harbor, NY
- Average sea temperature in April: 46°F
The best month for swimming (with the highest average sea temperature) is August (74.1°F).
The coldest month (with the lowest average sea temperature) is February (39.9°F).
Average daylight in April /
Average sunshine in April
Hewlett Harbor, NY
- Average daylight in April: 13h and 18min
The month with the longest days is June (Average daylight: 15h and 0min).
The month with the shortest days is December (Average daylight: 9h and 18min).
- Average sunshine in April: 8h and 36min
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 48min).
Average sunshine days in April
Hewlett Harbor, NY
- Average sunshine days in April: 15.8 days
The month with the most sunshine days is January (19.8 days).
The month with the least sunshine days is July (13.6 days).
Average UV index in April
Hewlett Harbor, 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, November and December (UV index 2).
Average cloud cover in April
Hewlett Harbor, NY
- Average cloud cover in April: 43
The months with the most cloud cover are February and December (Cloud cover 47).
The month with the least cloud cover is August (Cloud cover 27).
Average visibility in April
Hewlett Harbor, 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).
