April weather forecastBrookhaven, NY
April
Weather in April
April in Brookhaven, New York, is a fresh spring month, with an average temperature ranging between max 51.4°F (10.8°C) and min 44.6°F (7°C).Temperature
The shift into April is accompanied by a modest temperature increase, with the average high-temperature edging up from a frosty 43.3°F (6.3°C) in March to a cool 51.4°F (10.8°C). Nighttime temperatures during April report a consistent average of 44.6°F (7°C).Humidity
In April, the average relative humidity is 75%.Rainfall
In April, the rain falls for 14.8 days. Throughout April, 2.52" (64mm) of precipitation is accumulated. Throughout the year, there are 156.2 rainfall days, and 30.2" (767mm) of precipitation is accumulated.Snowfall
Months with snowfall in Brookhaven are January through April, November and December. April is the last month it regularly snows. During 0.3 snowfall days, in April, Brookhaven aggregates 0.04" (1mm) of snow. In Brookhaven, during the entire year, snow falls for 17.9 days and aggregates up to 4.57" (116mm) of snow.Daylight
In Brookhaven, the average length of the day in April is 13h and 20min.On the first day of April, sunrise is at 6:33 am and sunset at 7:16 pm. On the last day of the month, sunrise is at 5:50 am and sunset at 7:47 pm EDT.
Sunshine
The average sunshine in April is 8.7h.UV index
In April, the average daily maximum UV index is 3. A UV Index estimate of 3 to 5 represents a medium vulnerability from unprotected exposure to Sun's UV rays for ordinary individuals.Note: The maximum UV index, 3 during April, leads to the following recommendations:
Ensure safety - Recommendations to avert sunburn are presented. Midday is when the Sun's radiation is strongest; avoid prolonged exposure during this time. Clothes that are both tight-knit and comfortably loose are prime choices for sun protection. Be alert to the fact! The reflection from snow can nearly double the UV radiation of the Sun.
Published by: Weather U.S. | About Us
Data Sources | Weather Forecasting & Climate
Frequently asked questions
Average temperature in April
Brookhaven, NY
- Average high temperature in April: 51.4°F
The warmest month (with the highest average high temperature) is August (77.5°F).
The month with the lowest average high temperature is January (38.7°F).
- Average low temperature in April: 44.6°F
The months with the highest average low temperature are July and August (71.4°F).
The coldest month (with the lowest average low temperature) is January (30.6°F).
Average pressure in April
Brookhaven, 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
Brookhaven, NY
- Average wind speed in April: 12.6mph
The windiest month (with the highest average wind speed) is January (14.5mph).
The calmest months (with the lowest average wind speed) are July and August (9.6mph).
Average humidity in April
Brookhaven, NY
- Average humidity in April: 75%
The month with the highest relative humidity is May (80%).
The month with the lowest relative humidity is November (71%).
Average rainfall in April
Brookhaven, NY
- Average rainfall in April: 2.52"
The wettest month (with the highest rainfall) is December (3.31").
The driest months (with the least rainfall) are January, February and September (2.01").
Average rainfall days in April
Brookhaven, NY
- Average rainfall days in April: 14.8 days
The month with the highest number of rainy days is July (16 days).
The month with the least rainy days is February (9 days).
Average snowfall in April
Brookhaven, NY
- Average snowfall in April: 0.04"
The month with the highest snowfall is January (1.5").
The months with the least snowfall are May, June, July, August, September and October (0").
Average snowfall days in April
Brookhaven, NY
- Average snowfall days in April: 0.3 days
The month with the highest number of snowfall days is February (5.4 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
Brookhaven, 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 42min
The months with the most sunshine are July and August (Average sunshine: 10h and 48min).
The month with the least sunshine is February (Average sunshine: 4h and 48min).
Average sunshine days in April
Brookhaven, NY
- Average sunshine days in April: 13.1 days
The month with the most sunshine days is November (17.2 days).
The month with the least sunshine days is February (12.8 days).
Average UV index in April
Brookhaven, 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
Brookhaven, NY
- Average cloud cover in April: 43
The month with the most cloud cover is December (Cloud cover 49).
The month with the least cloud cover is August (Cloud cover 26).
Average visibility in April
Brookhaven, 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).
