August weather forecastGreenlawn, NY
August
Weather in August
August, the last month of the summer in Greenlawn, is another warm month, with an average temperature fluctuating between 79.2°F (26.2°C) and 70.9°F (21.6°C).Temperature
The average high-temperature is a still warm 79.2°F (26.2°C) in August, hardly different from the 80.1°F (26.7°C) recorded in July. In Greenlawn, the nighttime temperature in August descends gently to an average of 70.9°F (21.6°C).Humidity
The average relative humidity in August in Greenlawn is 72%.Rainfall
In Greenlawn, during August, the rain falls for 16 days and regularly aggregates up to 3.58" (91mm) of precipitation. In Greenlawn, during the entire year, the rain falls for 152.5 days and collects up to 35.04" (890mm) of precipitation.Snowfall
May through October are months without snowfall in Greenlawn.Daylight
In Greenlawn, the average length of the day in August is 13h and 45min.On the first day of the month, sunrise is at 5:50 am and sunset at 8:09 pm. On the last day of August, in Greenlawn, sunrise is at 6:20 am and sunset at 7:27 pm EDT.
Sunshine
The average sunshine in August is 10.5h.UV index
The months with the highest UV index in Greenlawn are June through August, with an average maximum UV index of 6. A UV Index reading of 6 to 7 represents a high health risk from exposure to the Sun's UV rays for ordinary individuals.Note: A maximum daily UV index of 6 during August morphs into the following directions:
Implement preventive steps and embrace sun safety standards. Protection from skin and eye distress is compulsory. Avoid direct Sun exposure from 10 a.m. to 4 p.m., a period when UV radiation is most intense, and remember that not all shade structures provide full protection. Employ a wide-brim hat for potent defense against up to 50% of UV rays.
Published by: Weather U.S. | About Us
Data Sources | Weather Forecasting & Climate
Frequently asked questions
Average temperature in August
Greenlawn, 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°F).
- Average low temperature in August: 70.9°F
The month with the highest average low temperature is July (71.2°F).
The coldest month (with the lowest average low temperature) is January (28.6°F).
Average pressure in August
Greenlawn, 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
Greenlawn, NY
- Average wind speed in August: 8mph
The windiest month (with the highest average wind speed) is January (12.2mph).
The calmest month (with the lowest average wind speed) is July (7.8mph).
Average humidity in August
Greenlawn, 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
Greenlawn, NY
- Average rainfall in August: 3.58"
The wettest month (with the highest rainfall) is July (4.09").
The driest month (with the least rainfall) is January (2.09").
Average rainfall days in August
Greenlawn, NY
- Average rainfall days in August: 16 days
The month with the highest number of rainy days is July (17.3 days).
The month with the least rainy days is January (8.1 days).
Average snowfall in August
Greenlawn, NY
- Average snowfall in August: 0"
The month with the highest snowfall is March (1.77").
The months with the least snowfall are May, June, July, August, September and October (0").
Average snowfall days in August
Greenlawn, NY
- Average snowfall days in August: 0 days
The month with the highest number of snowfall days is February (4.9 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
Greenlawn, 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 30min
The month with the most sunshine is July (Average sunshine: 10h and 42min).
The month with the least sunshine is February (Average sunshine: 4h and 48min).
Average sunshine days in August
Greenlawn, NY
- Average sunshine days in August: 12.9 days
The month with the most sunshine days is November (19.6 days).
The month with the least sunshine days is July (11.4 days).
Average UV index in August
Greenlawn, 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
Greenlawn, NY
- Average cloud cover in August: 29
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 29).
Average visibility in August
Greenlawn, 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).
