August weather forecastSparkill, NY
August
Weather in August
August, the last month of the summer in Sparkill, is another warm month, with temperature in the range of an average low of 65.7°F (18.7°C) and an average high of 82.9°F (28.3°C).Temperature
The onset of August brings with it an average high-temperature of a still moderately hot 82.9°F (28.3°C), showing a negligible variation from the month before. An average low-temperature of 65.7°F (18.7°C) is recorded in the month of August.Heat index
August's heat index is calculated to be a hot 87.8°F (31°C). Continuous activity in exposure could lead to a feeling of fatigue and heat cramps.Keep in mind the heat index values are meant for areas in shade and with light wind. Exposure to the direct sun could elevate the heat index by 15 Fahrenheit (8 Celsius) degrees.
Note: The heat index, also known as 'apparent temperature' or 'felt air temperature', is an indicator that blends the effects of temperature and humidity to depict perceived warmth. A person's impression of weather can be swayed by numerous aspects, among them metabolic variations, pregnancy, and activity levels. One must note that being under the direct sun can escalate the heat's effects, with the heat index possibly rising by 15 Fahrenheit (8 Celsius) degrees. Heat index values are particularly meaningful for babies and toddlers. Children are often less aware of the need to rest and re-hydrate. Thirst is a late sign of dehydration - it's vital to remain hydrated, particularly during prolonged physical activities.
Humidity
August is the least humid month, with an average relative humidity of 70%.Rainfall
In Sparkill, New York, in August, during 15.8 rainfall days, 2.83" (72mm) of precipitation is typically accumulated. Throughout the year, there are 151.8 rainfall days, and 30.79" (782mm) of precipitation is accumulated.Snowfall
In Sparkill, snow does not fall in May through September.Daylight
In Sparkill, the average length of the day in August is 13h and 46min.On the first day of August, sunrise is at 5:52 am and sunset at 8:11 pm. On the last day of the month, sunrise is at 6:22 am and sunset at 7:29 pm EDT.
Sunshine
In Sparkill, the average sunshine in August is 10.3h.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 threat to health from unsafe exposure to UV radiation for the ordinary person.Note: In August, a daily maximum UV index of 6 leads to the following instructions:
Steer clear of overexposure. Fair-skinned individuals can be scorched in less than 20 minutes. Stay in the shade and limit sun exposure from 10 a.m. to 4 p.m., when UV radiation is most potent. Keep in mind that shade structures like parasols or canopies do not offer full protection. Experience reduced UV exposure by about half when donning a wide-brim hat.
Published by: Weather U.S. | About Us
Data Sources | Weather Forecasting & Climate
Frequently asked questions
Average temperature in August
Sparkill, NY
- Average high temperature in August: 82.9°F
The warmest month (with the highest average high temperature) is July (84.4°F).
The month with the lowest average high temperature is January (35.2°F).
- Average low temperature in August: 65.7°F
The month with the highest average low temperature is July (66.7°F).
The coldest month (with the lowest average low temperature) is January (23.4°F).
Average pressure in August
Sparkill, 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
Sparkill, NY
- Average wind speed in August: 5.4mph
The windiest month (with the highest average wind speed) is March (8.1mph).
The calmest month (with the lowest average wind speed) is August (5.4mph).
Average humidity in August
Sparkill, NY
- Average humidity in August: 70%
The months with the highest relative humidity are February and December (77%).
The month with the lowest relative humidity is August (70%).
Average rainfall in August
Sparkill, NY
- Average rainfall in August: 2.83"
The wettest month (with the highest rainfall) is July (3.35").
The driest month (with the least rainfall) is January (1.89").
Average rainfall days in August
Sparkill, NY
- Average rainfall days in August: 15.8 days
The month with the highest number of rainy days is July (17.8 days).
The month with the least rainy days is January (6.8 days).
Average snowfall in August
Sparkill, NY
- Average snowfall in August: 0"
The month with the highest snowfall is March (2.8").
The months with the least snowfall are May, June, July, August and September (0").
Average snowfall days in August
Sparkill, NY
- Average snowfall days in August: 0 days
The month with the highest number of snowfall days is February (5.8 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
Sparkill, 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 18min
The month with the most sunshine is July (Average sunshine: 10h and 24min).
The month with the least sunshine is February (Average sunshine: 4h and 36min).
Average sunshine days in August
Sparkill, NY
- Average sunshine days in August: 12.6 days
The months with the most sunshine days are January and November (20 days).
The month with the least sunshine days is July (10.9 days).
Average UV index in August
Sparkill, 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
Sparkill, NY
- Average cloud cover in August: 32
The months with the most cloud cover are February, March and December (Cloud cover 48).
The month with the least cloud cover is August (Cloud cover 32).
Average visibility in August
Sparkill, 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).





