August weather forecastSouth Hempstead, NY

August

Weather in August

August, the last month of the summer in South Hempstead, is also a moderately hot month, with temperature in the range of an average high of 78.8°F (26°C) and an average low of 71.2°F (21.8°C).

Temperature

The advent of August sees the average high-temperature at a still warm 78.8°F (26°C), subtly shifted from July's 79.3°F (26.3°C). A consistent average low-temperature of 71.2°F (21.8°C), with a minor variance from the daytime highs, is noted during the nights of August.

Humidity

In South Hempstead, the average relative humidity in August is 72%.

Rainfall

In August, the rain falls for 11 days. Throughout August, 0.83" (21mm) of precipitation is accumulated. In South Hempstead, during the entire year, the rain falls for 112.1 days and collects up to 8.66" (220mm) of precipitation.

Snowfall

April through September are months without snowfall.

Daylight

In August, the average length of the day is 13h and 44min.
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

June through August, with an average maximum UV index of 6, are months with the highest UV index. A UV Index of 6 to 7 symbolizes a high threat to health from unprotected exposure to Sun's UV rays for the average person.
Note: The daily high UV index of 6 in August translates into this advice:
Adopt measures and apply sun safety strategies. Shielding from skin and eye damage is necessary. Seek shade and minimize exposure to direct Sun in a period between 10 a.m. and 4 p.m. when UV radiation is most intense; keep in mind that shade structures like parasols or canopies do not provide perfect sun protection. To best shield against UV radiation, choose sun-safe garments and dependable sunglasses.
Updated: Aug 30, 2024
Published by: Weather U.S. | About Us
Data Sources | Weather Forecasting & Climate

Frequently asked questions

South Hempstead in August has an average high-temperature of 78.8°F (26°C) and an average low-temperature of 71.2°F (21.8°C).

In South Hempstead, the average relative humidity in August is 72%.

In South Hempstead, in August, during 11 rainfall days, 0.83" (21mm) of precipitation is typically accumulated.

In South Hempstead, snow does not fall in April through September.

The average day length in August is 13h and 44min.

In August, on the first day of the month, 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.

The average sunshine duration in August is 10.6h.

The months with the highest UV index are June through August, with an average maximum UV index of 6.

The average daily maximum UV index in August is 6. A UV Index of 6 to 7 symbolizes a high health threat from unprotected exposure to UV radiation.
Average high temperature
Average low temperature
Average pressure
Average wind speed
Average max. wind speed
Average wind speed gusts
Average humidity
Average rainfall
Average rainfall days
Average snowfall
Average snowfall days
Average sunshine days
Average UV index
Average cloud cover
Average visibility

Average temperature in August
South Hempstead, NY

  • Average high temperature in August: 78.8°F

The warmest month (with the highest average high temperature) is July (79.3°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 (29.3°F).

Average pressure in August
South 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
South Hempstead, NY

  • Average wind speed in August: 8.6mph

The windiest month (with the highest average wind speed) is January (12.9mph).
The calmest month (with the lowest average wind speed) is July (8.5mph).

Average humidity in August
South 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
South 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 (0.43").

Average rainfall days in August
South Hempstead, NY

  • Average rainfall days in August: 11 days

The month with the highest number of rainy days is July (12.4 days).
The month with the least rainy days is January (6.2 days).

Average snowfall in August
South Hempstead, NY

  • Average snowfall in August: 0"

The month with the highest snowfall is January (0.43").
The months with the least snowfall are April, May, June, July, August and September (0").

Average snowfall days in August
South Hempstead, NY

  • Average snowfall days in August: 0 days

The month with the highest number of snowfall days is January (4.2 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
South 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
South Hempstead, NY

  • Average sunshine days in August: 17.2 days

The month with the most sunshine days is November (21.5 days).
The month with the least sunshine days is July (15.1 days).

Average UV index in August
South 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
South Hempstead, NY

  • Average cloud cover in August: 27

The month with the most cloud cover is December (Cloud cover 48).
The month with the least cloud cover is August (Cloud cover 27).

Average visibility in August
South 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).