Contents
- Weather in August
- Frequently asked questions
- Average temperature in August
- Average pressure in August
- Average wind speed in August
- Average humidity in August
- Average rainfall in August
- Average rainfall days in August
- Average snowfall in August
- Average snowfall days in August
- Average daylight in August
- Average sunshine in August
- Average sunshine days in August
- Average UV index in August
- Average cloud cover in August
- Average visibility in August
Weather in August
Temperature
An average high-temperature of a still moderately hot 79.2°F (26.2°C) marks August, exhibiting a close resemblance to the conditions in July. Old Westbury, during the August nights, maintains an average temperature of 71.2°F (21.8°C), closely aligned with its daytime readings.Humidity
In August, the average relative humidity is 72%.Rainfall
In Old Westbury, in August, it is raining for 10.8 days, with typically 0.71" (18mm) of accumulated precipitation. Throughout the year, there are 103.6 rainfall days, and 7.83" (199mm) of precipitation is accumulated.Snowfall
April through November are months without snowfall in Old Westbury.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 8:09 pm. On the last day of August, sunrise is at 6:21 am and sunset at 7:27 pm EDT.
Sunshine
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 value of 6 to 7 symbolizes a high health vulnerability from unsafe exposure to UV radiation for average individuals.Note: In August, the maximum UV index of 6 transforms into these recommendations:
Avert overexposure. Light-skinned people might experience burning in less than 20 minutes. Limit direct sun exposure and seek shade between 10 a.m. and 4 p.m., the time of the most intense UV radiation, noting that shade structures may not provide total sun protection. A wide-brimmed hat is a staple for defending the face, eyes, ears, and neck from the Sun.
Published by: Weather U.S. | About Us
Data Sources | Weather Forecasting & Climate
Frequently asked questions
What is the temperature in August?
What is the average humidity in August?
How much does it rain in August?
When it does not snow?
How many hours of daylight does Old Westbury have in August?
When are sunrise and sunset in August?
How many hours of sunshine does Old Westbury have in August?
What is the month with the highest UV index?
What is the UV index intensity in August in Old Westbury?
Average temperature in August
Old Westbury, NY
- Average high temperature in August: 79.2°F
The warmest month (with the highest average high temperature) is July (80.1°F).
The month with the lowest average high temperature is January (37.4°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 (28.8°F).
Average pressure in August
Old Westbury, 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
Old Westbury, NY
- Average wind speed in August: 8.3mph
The windiest month (with the highest average wind speed) is January (12.5mph).
The calmest month (with the lowest average wind speed) is July (8.1mph).
Average humidity in August
Old Westbury, 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
Old Westbury, NY
- Average rainfall in August: 0.71"
The wettest month (with the highest rainfall) is July (0.87").
The driest month (with the least rainfall) is September (0.35").
Average rainfall days in August
Old Westbury, NY
- Average rainfall days in August: 10.8 days
The month with the highest number of rainy days is July (11.3 days).
The month with the least rainy days is January (5.4 days).
Average snowfall in August
Old Westbury, NY
- Average snowfall in August: 0"
The month with the highest snowfall is March (0.43").
The months with the least snowfall are April, May, June, July, August, September, October and November (0").
Average snowfall days in August
Old Westbury, NY
- Average snowfall days in August: 0 days
The month with the highest number of snowfall days is January (4.4 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
Old Westbury, NY
- Average daylight in August: 13h and 4min
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 4min
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 42min).
Average sunshine days in August
Old Westbury, NY
- Average sunshine days in August: 17.4 days
The month with the most sunshine days is January (22.4 days).
The month with the least sunshine days is July (16.9 days).
Average UV index in August
Old Westbury, 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
Old Westbury, NY
- Average cloud cover in August: 28
The month with the most cloud cover is December (Cloud cover 48).
The months with the least cloud cover are July and August (Cloud cover 28).
Average visibility in August
Old Westbury, 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).
Old Westbury, New York, USA
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