August weather forecastHempstead, NY
August
Weather in August
Weeks away from autumn, August in Hempstead continues to maintain high summer temperatures although marginally lower compared to July’s average. This still provides Hempstead’s residents with warm days, witnessing longer daylight hours. Despite the summer heat, the month receives a slightly lower rainfall total of 0.83" (21mm) compared to July, without much effect on the overall humidity. Increased hours of sunlight seem to saturate the city in warm hues, while the evenings welcome a gentle, comforting breeze. Considering the prevailing high UV Index of 6, necessary precautions, which include sunblock and sun hats, become an everyday need for people venturing outdoors.Temperature
As Hempstead, New York, steps into August, the average high-temperature holds at a still warm 79.2°F (26.2°C), hinting at a minor fluctuation from the prior month. The August nights in Hempstead show a slight decrease to a mean low-temperature of 71.2°F (21.8°C).Humidity
The average relative humidity in August is 72%.Rainfall
In August, the rain falls for 11.8 days. Throughout August, 0.83" (21mm) of precipitation is accumulated. Throughout the year, there are 105.1 rainfall days, and 8.15" (207mm) of precipitation is accumulated.Snowfall
In Hempstead, New York, snow does not fall in April through November.Daylight
In August, the average length of the day is 13h and 44min.On the first day of August in Hempstead, New York, 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 Hempstead, the average sunshine in August is 10.6h.UV index
June through August, with an average maximum UV index of 6, are months with the highest UV index in Hempstead. A UV Index estimate of 6 to 7 represents a high health risk from exposure to the Sun's UV radiation for ordinary individuals.Note: In August, a daily UV index of 6 turns into the following recommendations:
Shield from overexposure. Defense against sun-related harm is required. Limit your exposure to the sun's UV radiation, which is strongest between 10 a.m. and 4 p.m., and note that parasols or canopies may not provide full sun protection. Stay sun-safe with clothing that is both closely woven and worn loosely.
Published by: Weather U.S. | About Us
Data Sources | Weather Forecasting & Climate
Frequently asked questions
Average temperature in August
Hempstead, NY
- Average high temperature in August: 79.2°F
The warmest month (with the highest average high temperature) is July (80.2°F).
The month with the lowest average high temperature is January (37.6°F).
- Average low temperature in August: 71.2°F
The month with the highest average low temperature is July (71.4°F).
The coldest month (with the lowest average low temperature) is January (28.8°F).
Average pressure in August
Hempstead, 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
Hempstead, NY
- Average wind speed in August: 8.4mph
The windiest month (with the highest average wind speed) is January (12.7mph).
The calmest month (with the lowest average wind speed) is July (8.3mph).
Average humidity in August
Hempstead, NY
- Average humidity in August: 72%
The month with the highest relative humidity is May (77%).
The month with the lowest relative humidity is November (71%).
Average rainfall in August
Hempstead, NY
- Average rainfall in August: 0.83"
The wettest month (with the highest rainfall) is July (0.98").
The driest month (with the least rainfall) is September (0.31").
Average rainfall days in August
Hempstead, NY
- Average rainfall days in August: 11.8 days
The month with the highest number of rainy days is July (12.7 days).
The months with the least rainy days are January and November (5.2 days).
Average snowfall in August
Hempstead, NY
- Average snowfall in August: 0"
The month with the highest snowfall is March (0.2").
The months with the least snowfall are April, May, June, July, August, September, October and November (0").
Average snowfall days in August
Hempstead, NY
- Average snowfall days in August: 0 days
The month with the highest number of snowfall days is February (3.3 days).
The months with the least snowfall days are May, June, July, August, September and October (0 days).
Average daylight in August /
Average sunshine in August
Hempstead, NY
- Average daylight in August: 13h and 42min
The month with the longest days is June (Average daylight: 15h and 0min).
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 54min).
The month with the least sunshine is February (Average sunshine: 4h and 48min).
Average sunshine days in August
Hempstead, NY
- Average sunshine days in August: 16.3 days
The month with the most sunshine days is January (23.4 days).
The month with the least sunshine days is June (14.9 days).
Average UV index in August
Hempstead, 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
Hempstead, NY
- Average cloud cover in August: 27
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 27).
Average visibility in August
Hempstead, 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).





