August weather forecastRoslyn Estates, NY
August
Weather in August
The last month of the summer, August, is another warm month in Roslyn Estates, New York, with an average temperature fluctuating between 79.5°F (26.4°C) and 71.2°F (21.8°C).Temperature
Roslyn Estates, New York, records an average high-temperature of a still moderately hot 79.5°F (26.4°C) in August, maintaining a close correlation with July's 80.4°F (26.9°C). In Roslyn Estates, a slight decrease from the daytime peak is noted during the month of August, with an average low-temperature of 71.2°F (21.8°C).Humidity
In August, the average relative humidity is 72%.Rainfall
In Roslyn Estates, in August, during 16.8 rainfall days, 3.78" (96mm) of precipitation is typically accumulated. In Roslyn Estates, during the entire year, the rain falls for 158.5 days and collects up to 36.38" (924mm) of precipitation.Snowfall
In Roslyn Estates, New York, snow does not fall in May through September.Daylight
In August, the average length of the day is 13h and 45min.On the first day of the month, sunrise is at 5:51 am and sunset at 8:10 pm. On the last day of August, sunrise is at 6:21 am and sunset at 7:28 pm EDT.
Sunshine
In August, the average sunshine is 10.6h.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 risk from exposure to the Sun's UV rays for the average person.Note: The UV index of 6 during August translates into the following guidance:
Conform to measures and uphold sun safety traditions. Warding off skin and eye harm is necessary. The Sun's UV radiation is most potent between 10 a.m. and 4 p.m. Try to limit direct exposure to the Sun during this period. Counter UV radiation's ill effects with clothing designed for sun safety and UV-resistant eyewear.
Published by: Weather U.S. | About Us
Data Sources | Weather Forecasting & Climate
Frequently asked questions
Average temperature in August
Roslyn Estates, NY
- Average high temperature in August: 79.5°F
The warmest month (with the highest average high temperature) is July (80.4°F).
The month with the lowest average high temperature is January (37.2°F).
- Average low temperature in August: 71.2°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 (28.6°F).
Average pressure in August
Roslyn Estates, NY
- Average pressure in August: 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 August
Roslyn Estates, NY
- Average wind speed in August: 8.2mph
The windiest month (with the highest average wind speed) is January (12.4mph).
The calmest month (with the lowest average wind speed) is July (8.1mph).
Average humidity in August
Roslyn Estates, NY
- Average humidity in August: 72%
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 August
Roslyn Estates, NY
- Average rainfall in August: 3.78"
The wettest month (with the highest rainfall) is July (4.13").
The driest month (with the least rainfall) is January (2.17").
Average rainfall days in August
Roslyn Estates, NY
- Average rainfall days in August: 16.8 days
The month with the highest number of rainy days is July (18 days).
The month with the least rainy days is January (8 days).
Average snowfall in August
Roslyn Estates, NY
- Average snowfall in August: 0"
The month with the highest snowfall is March (1.85").
The months with the least snowfall are May, June, July, August and September (0").
Average snowfall days in August
Roslyn Estates, NY
- Average snowfall days in August: 0 days
The month with the highest number of snowfall days is February (4.7 days).
The months with the least snowfall days are May, June, July, August and September (0 days).
Average daylight in August /
Average sunshine in August
Roslyn Estates, NY
- Average daylight in August: 13h and 42min
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 August: 10h 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 August
Roslyn Estates, NY
- Average sunshine days in August: 12.2 days
The month with the most sunshine days is November (19.5 days).
The month with the least sunshine days is July (10.8 days).
Average UV index in August
Roslyn Estates, 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, November and December (UV index 2).
Average cloud cover in August
Roslyn Estates, NY
- Average cloud cover in August: 27
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 August
Roslyn Estates, 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).





