August weather forecastOld Brookville, NY
August
Weather in August
August, the last month of the summer in Old Brookville, is also a moderately hot month, with an average temperature varying between 70.3°F (21.3°C) and 80.4°F (26.9°C).Temperature
Old Brookville experiences a recorded average high-temperature of a still moderately hot 80.4°F (26.9°C) in August, closely aligned with July's 81.5°F (27.5°C). During August, the temperature is averaged to a low of 70.3°F (21.3°C) at night.Humidity
The months with the lowest humidity are August and November, with an average relative humidity of 71%.Rainfall
In Old Brookville, in August, it is raining for 16.2 days, with typically 3.54" (90mm) of accumulated precipitation. Throughout the year, in Old Brookville, there are 165.9 rainfall days, and 37.56" (954mm) of precipitation is accumulated.Snowfall
In Old Brookville, snow does not fall in May through October.Daylight
The average length of the day in August is 13h and 45min.On the first day of August, sunrise is at 5:51 am and sunset at 8:09 pm. On the last day of the month, sunrise is at 6:21 am and sunset at 7:27 pm EDT.
Sunshine
In Old Brookville, New York, the average sunshine in August is 10.6h.UV index
The months with the highest UV index are June through August, with an average maximum UV index of 6. A UV Index estimate of 6 to 7 represents a high health risk from exposure to the Sun's UV rays for ordinary individuals.Note: In August, a daily UV index of 6 turns into the following recommendations:
Avert overexposure. Light-skinned people might experience burning in less than 20 minutes. To the best of your ability, limit your exposure to the sun between the hours of 10 a.m. and 4 p.m., when UV radiation is at its peak. Loose clothes with a tight weave are optimal for safeguarding yourself against the Sun's rays.
Published by: Weather U.S. | About Us
Data Sources | Weather Forecasting & Climate
Frequently asked questions
Average temperature in August
Old Brookville, NY
- Average high temperature in August: 80.4°F
The warmest month (with the highest average high temperature) is July (81.5°F).
The month with the lowest average high temperature is January (36.5°F).
- Average low temperature in August: 70.3°F
The months with the highest average low temperature are July and August (70.3°F).
The coldest month (with the lowest average low temperature) is January (27.3°F).
Average pressure in August
Old Brookville, 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
Old Brookville, NY
- Average wind speed in August: 7.4mph
The windiest month (with the highest average wind speed) is January (11.2mph).
The calmest month (with the lowest average wind speed) is July (7.3mph).
Average humidity in August
Old Brookville, NY
- Average humidity in August: 71%
The months with the highest relative humidity are February, May and December (75%).
The months with the lowest relative humidity are August and November (71%).
Average rainfall in August
Old Brookville, NY
- Average rainfall in August: 3.54"
The wettest month (with the highest rainfall) is December (4.06").
The driest month (with the least rainfall) is September (2.4").
Average rainfall days in August
Old Brookville, NY
- Average rainfall days in August: 16.2 days
The month with the highest number of rainy days is July (17.9 days).
The month with the least rainy days is January (9.3 days).
Average snowfall in August
Old Brookville, NY
- Average snowfall in August: 0"
The month with the highest snowfall is March (2.01").
The months with the least snowfall are May, June, July, August, September and October (0").
Average snowfall days in August
Old Brookville, NY
- Average snowfall days in August: 0 days
The month with the highest number of snowfall days is January (6.8 days).
The months with the least snowfall days are June, July, August, September and October (0 days).
Average daylight in August /
Average sunshine in August
Old Brookville, NY
- Average daylight in August: 13h and 48min
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 42min).
The month with the least sunshine is February (Average sunshine: 4h and 48min).
Average sunshine days in August
Old Brookville, NY
- Average sunshine days in August: 12.5 days
The month with the most sunshine days is November (18 days).
The month with the least sunshine days is July (10.6 days).
Average UV index in August
Old Brookville, 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
Old Brookville, NY
- Average cloud cover in August: 29
The months with the most cloud cover are February and December (Cloud cover 47).
The months with the least cloud cover are July and August (Cloud cover 29).
Average visibility in August
Old Brookville, 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).





