August weather forecastPreston Hollow, NY
August
Weather in August
August, the last month of the summer in Preston Hollow, is also a moderately hot month, with temperature in the range of an average high of 76.6°F (24.8°C) and an average low of 55.6°F (13.1°C).Temperature
In the transition from July to August, Preston Hollow reports an average high-temperature of a still warm 76.6°F (24.8°C), indicating a close resemblance to the prior month. During the month of August, Preston Hollow experiences a steady low-temperature average of 55.6°F (13.1°C).Humidity
In Preston Hollow, the average relative humidity in August is 79%.Rainfall
In Preston Hollow, during August, the rain falls for 17.1 days and regularly aggregates up to 2.95" (75mm) of precipitation. Throughout the year, there are 152.5 rainfall days, and 27.24" (692mm) of precipitation is accumulated.Snowfall
In Preston Hollow, snow does not fall in June through September.Daylight
In Preston Hollow, the average length of the day in August is 13h and 51min.On the first day of the month, sunrise is at 5:49 am and sunset at 8:16 pm. On the last day of August, sunrise is at 6:21 am and sunset at 7:32 pm EDT.
Sunshine
In August, the average sunshine is 9.9h.UV index
The months with the highest UV index are May through August, with an average maximum UV index of 5. A UV Index of 3 to 5 symbolizes a moderate health risk from exposure to the Sun's UV rays for average individuals.Note: The UV index of 5 during August leads to these advisories:
Be cautious. Those with fair skin can be subjected to burns in fewer than 30 minutes. The Sun's radiation is especially intense around midday; try to stay in shade during this period. Outfit yourself in sun-safe attire, like long sleeves, pants, a hat, and UV-blocking sunglasses.
Published by: Weather U.S. | About Us
Data Sources | Weather Forecasting & Climate
Frequently asked questions
Average temperature in August
Preston Hollow, NY
- Average high temperature in August: 76.6°F
The warmest month (with the highest average high temperature) is July (79°F).
The month with the lowest average high temperature is January (27.9°F).
- Average low temperature in August: 55.6°F
The month with the highest average low temperature is July (57.4°F).
The coldest month (with the lowest average low temperature) is January (15.8°F).
Average pressure in August
Preston Hollow, 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
Preston Hollow, NY
- Average wind speed in August: 5mph
The windiest month (with the highest average wind speed) is January (8.3mph).
The calmest month (with the lowest average wind speed) is August (5mph).
Average humidity in August
Preston Hollow, NY
- Average humidity in August: 79%
The months with the highest relative humidity are February and December (85%).
The months with the lowest relative humidity are April, June and July (78%).
Average rainfall in August
Preston Hollow, NY
- Average rainfall in August: 2.95"
The wettest month (with the highest rainfall) is July (3.03").
The driest month (with the least rainfall) is February (1.46").
Average rainfall days in August
Preston Hollow, NY
- Average rainfall days in August: 17.1 days
The month with the highest number of rainy days is July (18.8 days).
The month with the least rainy days is January (6.3 days).
Average snowfall in August
Preston Hollow, NY
- Average snowfall in August: 0"
The month with the highest snowfall is December (6.65").
The months with the least snowfall are June, July, August and September (0").
Average snowfall days in August
Preston Hollow, NY
- Average snowfall days in August: 0 days
The month with the highest number of snowfall days is February (13.3 days).
The months with the least snowfall days are June, July, August and September (0 days).
Average daylight in August /
Average sunshine in August
Preston Hollow, NY
- Average daylight in August: 13h and 54min
The month with the longest days is June (Average daylight: 15h and 12min).
The month with the shortest days is December (Average daylight: 9h and 6min).
- Average sunshine in August: 9h and 54min
The month with the most sunshine is July (Average sunshine: 10h and 18min).
The month with the least sunshine is February (Average sunshine: 3h and 36min).
Average sunshine days in August
Preston Hollow, NY
- Average sunshine days in August: 11.3 days
The month with the most sunshine days is November (16.5 days).
The month with the least sunshine days is May (9.8 days).
Average UV index in August
Preston Hollow, NY
- Average UV index in August: 5
The months with the highest UV index are May, June, July and August (UV index 5).
The month with the lowest UV index is December (UV index 1).
Average cloud cover in August
Preston Hollow, NY
- Average cloud cover in August: 38
The month with the most cloud cover is February (Cloud cover 61).
The month with the least cloud cover is July (Cloud cover 36).
Average visibility in August
Preston Hollow, NY
- Average visibility in August: 5mi
The months with the highest visibility are January, February, March, April, May, June, July, August, October, November and December (5mi).
The month with the lowest visibility is September (4mi).





