August weather forecastSeaford, NY
August
Weather in August
The last month of the summer, August, is also a moderately hot month in Seaford, New York, with temperature in the range of an average low of 72°F (22.2°C) and an average high of 78.4°F (25.8°C).Temperature
July and August, when the average high-temperature reaches 78.4°F (25.8°C), are the warmest months.Humidity
The average relative humidity in August is 73%.Rainfall
In Seaford, in August, during 15.3 rainfall days, 2.99" (76mm) of precipitation is typically accumulated. Throughout the year, there are 158.8 rainfall days, and 31.38" (797mm) of precipitation is accumulated.Snowfall
In Seaford, snow does not fall in May through September.Ocean temperature
With an average ocean temperature of 74.1°F (23.4°C), August is the month with the warmest seawater.Note: For those with a heightened sensitivity to cold, sunshine, wind, and outside temperature make a big difference in enjoying a swim at 74.1°F (23.4°C). (Olympic swimming regulations state a water temperature of 77°F (25°C) to 82.4°F (28°C).)
Daylight
The average length of the day in August is 13h and 44min.On the first day of the month, sunrise is at 5:51 am and sunset at 8:09 pm. On the last day of August, sunrise is at 6:20 am and sunset at 7:27 pm EDT.
Sunshine
In Seaford, New York, the average sunshine in August is 10.7h.UV index
June through August, with an average maximum UV index of 6, are months with the highest UV index. A UV Index reading of 6 to 7 represents a high health vulnerability from unsafe exposure to UV radiation for the ordinary person.Note: The UV index of 6 during August translates into the following guidance:
Take precautions and adopt sun safety practices. Protection against sunburn is obliged. UV radiation from the Sun is most intense between 10 a.m. and 4 p.m. Try to avoid direct sunlight during this period. Sunglasses that ward off UVA and UVB rays play a pivotal role in reducing solar eye damage. Warning! The Sun's UV rays intensify with reflections from sand and water.
Published by: Weather U.S. | About Us
Data Sources | Weather Forecasting & Climate
Frequently asked questions
Average temperature in August
Seaford, NY
- Average high temperature in August: 78.4°F
The warmest months (with the highest average high temperature) are July and August (78.4°F).
The month with the lowest average high temperature is January (37.9°F).
- Average low temperature in August: 72°F
The months with the highest average low temperature are July and August (72°F).
The coldest month (with the lowest average low temperature) is January (30.2°F).
Average pressure in August
Seaford, NY
- Average pressure in August: 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 August
Seaford, NY
- Average wind speed in August: 9.3mph
The windiest month (with the highest average wind speed) is January (13.9mph).
The calmest month (with the lowest average wind speed) is July (9.1mph).
Average humidity in August
Seaford, NY
- Average humidity in August: 73%
The month with the highest relative humidity is May (78%).
The month with the lowest relative humidity is November (71%).
Average rainfall in August
Seaford, NY
- Average rainfall in August: 2.99"
The wettest month (with the highest rainfall) is July (3.39").
The driest month (with the least rainfall) is January (1.89").
Average rainfall days in August
Seaford, NY
- Average rainfall days in August: 15.3 days
The month with the highest number of rainy days is July (16.3 days).
The month with the least rainy days is January (9.1 days).
Average snowfall in August
Seaford, NY
- Average snowfall in August: 0"
The month with the highest snowfall is March (1.34").
The months with the least snowfall are May, June, July, August and September (0").
Average snowfall days in August
Seaford, NY
- Average snowfall days in August: 0 days
The month with the highest number of snowfall days is January (5.3 days).
The months with the least snowfall days are May, June, July, August and September (0 days).
Average sea temperature in August
Seaford, NY
- Average sea temperature in August: 74.1°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 August /
Average sunshine in August
Seaford, NY
- Average daylight in August: 13h and 42min
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 August: 10h and 42min
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 August
Seaford, NY
- Average sunshine days in August: 13 days
The month with the most sunshine days is November (17.4 days).
The month with the least sunshine days is July (12.3 days).
Average UV index in August
Seaford, NY
- Average UV index in August: 6
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 August
Seaford, NY
- Average cloud cover in August: 27
The month with the most cloud cover is December (Cloud cover 48).
The month with the least cloud cover is August (Cloud cover 27).
Average visibility in August
Seaford, NY
- Average visibility in August: 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).
