April weather forecastManorhaven, NY
April
Weather in April
April in Manorhaven, New York, is a mild spring month, with an average temperature ranging between max 56.1°F (13.4°C) and min 44.2°F (6.8°C).Temperature
The arrival of April brings a change in Manorhaven's weather, with average high-temperatures moving from March's chilly 45.1°F (7.3°C) to a refreshing 56.1°F (13.4°C). In the month of April, the average temperature dips to a chilly 44.2°F (6.8°C) during the night.Humidity
In Manorhaven, the average relative humidity in April is 71%.Rainfall
In Manorhaven, in April, during 15.8 rainfall days, 2.99" (76mm) of precipitation is typically accumulated. Throughout the year, in Manorhaven, there are 168.7 rainfall days, and 36.69" (932mm) of precipitation is accumulated.Snowfall
Months with snowfall are January through April, November and December. April is the last month it regularly snows. During 0.3 snowfall days, in April, Manorhaven aggregates 0.08" (2mm) of snow. In Manorhaven, during the entire year, snow falls for 23 days and aggregates up to 8.23" (209mm) of snow.Ocean temperature
In Manorhaven, in April, the average water temperature is 46°F (7.8°C).Note: At temperatures below 50°F (10°C), swimming in a suitably protected swimsuit is feasible; otherwise, cold shock and loss of breathing control are imminent. Even a short swim, without thermal protection, at temperatures around 55.4°F (13°C) is not comfortable.
Daylight
In April, the average length of the day is 13h and 20min.On the first day of the month, sunrise is at 6:36 am and sunset at 7:20 pm. On the last day of April, sunrise is at 5:53 am and sunset at 7:50 pm EDT.
Sunshine
The average sunshine in April is 8.4h.UV index
The average daily maximum UV index in April in Manorhaven is 4. A UV Index reading of 3 to 5 represents a medium vulnerability from unsafe exposure to UV radiation for average individuals.Note: The maximum UV index of 4 during April translates into these guidelines:
Prioritize safety - Suggestions to prevent sun damage are offered. Direct exposure to the Sun during its peak hours around mid-day should be minimized for safety. For optimum UV protection, wear sun-resistant attire complemented with a hat and quality shades. Heed this! Snow reflection can almost augment the UV radiation of the sun by double.
Published by: Weather U.S. | About Us
Data Sources | Weather Forecasting & Climate
Frequently asked questions
Average temperature in April
Manorhaven, NY
- Average high temperature in April: 56.1°F
The warmest month (with the highest average high temperature) is July (82.4°F).
The month with the lowest average high temperature is January (36.5°F).
- Average low temperature in April: 44.2°F
The month with the highest average low temperature is July (69.8°F).
The coldest month (with the lowest average low temperature) is January (26.8°F).
Average pressure in April
Manorhaven, 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
Manorhaven, NY
- Average wind speed in April: 9.4mph
The windiest month (with the highest average wind speed) is January (10.4mph).
The calmest month (with the lowest average wind speed) is July (6.8mph).
Average humidity in April
Manorhaven, NY
- Average humidity in April: 71%
The months with the highest relative humidity are February, May and December (75%).
The month with the lowest relative humidity is August (70%).
Average rainfall in April
Manorhaven, NY
- Average rainfall in April: 2.99"
The wettest month (with the highest rainfall) is December (3.98").
The driest month (with the least rainfall) is February (2.36").
Average rainfall days in April
Manorhaven, NY
- Average rainfall days in April: 15.8 days
The month with the highest number of rainy days is July (17.8 days).
The month with the least rainy days is January (9.2 days).
Average snowfall in April
Manorhaven, NY
- Average snowfall in April: 0.08"
The month with the highest snowfall is March (2.32").
The months with the least snowfall are May, June, July, August, September and October (0").
Average snowfall days in April
Manorhaven, NY
- Average snowfall days in April: 0.3 days
The month with the highest number of snowfall days is January (7.5 days).
The months with the least snowfall days are May, June, July, August, September and October (0 days).
Average sea temperature in April
Manorhaven, 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
Manorhaven, 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 month with the most sunshine is July (Average sunshine: 10h and 42min).
The month with the least sunshine is February (Average sunshine: 4h and 48min).
Average sunshine days in April
Manorhaven, NY
- Average sunshine days in April: 12.3 days
The month with the most sunshine days is November (17.5 days).
The month with the least sunshine days is June (11.1 days).
Average UV index in April
Manorhaven, 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
Manorhaven, NY
- Average cloud cover in April: 44
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 29).
Average visibility in April
Manorhaven, 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).





