August weather forecastHewlett, NY
August
Weather in August
August, the last month of the summer in Hewlett, is another warm month, with an average temperature fluctuating between 79.9°F (26.6°C) and 71.1°F (21.7°C).Temperature
Entering August, Hewlett's average high-temperature reads a still warm 79.9°F (26.6°C), indicating a close resemblance to the previous month's climate. August sees a slight dip to an average low temperature of 71.1°F (21.7°C) from the daytime highs.Humidity
In August, the average relative humidity is 73%.Rainfall
The wettest months are July and August, with an average 2.32" (59mm) of rainfall.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 5:52 am and sunset at 8:09 pm. On the last day of August, sunrise is at 6:21 am and sunset at 7:28 pm EDT.
Sunshine
In Hewlett, 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 of 6 to 7 symbolizes a high threat to health from unsafe exposure to UV radiation for ordinary individuals.Note: In August, the maximum UV index of 6 translates into these guidelines:
Guard oneself from overexposure. Defence against sun injury is vital. Be aware that the sun's UV radiation is strongest between 10 a.m. and 4 p.m. and try to reduce direct sun exposure during this period as much as possible. Clothes that are both tight-knit and comfortably loose are prime choices for sun protection.
Published by: Weather U.S. | About Us
Data Sources | Weather Forecasting & Climate
Frequently asked questions
Average temperature in August
Hewlett, NY
- Average high temperature in August: 79.9°F
The warmest month (with the highest average high temperature) is July (80.6°F).
The month with the lowest average high temperature is January (37°F).
- Average low temperature in August: 71.1°F
The month with the highest average low temperature is August (71.1°F).
The coldest month (with the lowest average low temperature) is January (28.2°F).
Average pressure in August
Hewlett, 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
Hewlett, NY
- Average wind speed in August: 8.2mph
The windiest month (with the highest average wind speed) is January (12.4mph).
The calmest month (with the lowest average wind speed) is July (8mph).
Average humidity in August
Hewlett, NY
- Average humidity in August: 73%
The month with the highest relative humidity is May (77%).
The month with the lowest relative humidity is November (72%).
Average rainfall in August
Hewlett, NY
- Average rainfall in August: 2.32"
The wettest months (with the highest rainfall) are July and August (2.32").
The driest month (with the least rainfall) is January (0.91").
Average rainfall days in August
Hewlett, NY
- Average rainfall days in August: 13.6 days
The month with the highest number of rainy days is July (15.1 days).
The month with the least rainy days is January (7.3 days).
Average snowfall in August
Hewlett, NY
- Average snowfall in August: 0"
The month with the highest snowfall is March (1.02").
The months with the least snowfall are April, May, June, July, August and September (0").
Average snowfall days in August
Hewlett, NY
- Average snowfall days in August: 0 days
The month with the highest number of snowfall days is January (4.6 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
Hewlett, 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 48min).
The month with the least sunshine is February (Average sunshine: 4h and 48min).
Average sunshine days in August
Hewlett, NY
- Average sunshine days in August: 15.4 days
The month with the most sunshine days is January (19.8 days).
The month with the least sunshine days is July (13.6 days).
Average UV index in August
Hewlett, 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
Hewlett, NY
- Average cloud cover in August: 27
The months with the most cloud cover are February and December (Cloud cover 47).
The month with the least cloud cover is August (Cloud cover 27).
Average visibility in August
Hewlett, 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).





