August weather forecastGreenvale, NY
August
Weather in August
The last month of the summer, August, is also a moderately hot month in Greenvale, New York, with an average temperature ranging between max 80.4°F (26.9°C) and min 70.3°F (21.3°C).Temperature
The start of August sees the average high-temperature at a still warm 80.4°F (26.9°C), showing little difference from July's 81.5°F (27.5°C). The nights of August in Greenvale, New York, anticipate an average low-temperature of 70.3°F (21.3°C).Humidity
August and November, with an average relative humidity of 71%, are the least humid months.Rainfall
In Greenvale, during August, the rain falls for 16.2 days and regularly aggregates up to 3.54" (90mm) of precipitation. Throughout the year, there are 165.9 rainfall days, and 37.56" (954mm) of precipitation is accumulated.Snowfall
In Greenvale, snow does not fall in May through October.Daylight
In Greenvale, the average length of the day in August is 13h and 45min.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, in Greenvale, New York, sunrise is at 6:21 am and sunset at 7:28 pm EDT.
Sunshine
In August, the average sunshine in Greenvale is 10.6h.UV index
June through August, with an average maximum UV index of 6, are months with the highest UV index in Greenvale, New York. 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: The UV index of 6 in August translates into these instructions:
Persist in precautions and follow sun safety policies. Keeping sunburn at bay is imperative. It's important to stay in the shade and limit exposure to the sun from 10 a.m. to 4 p.m., when UV radiation is most intense, although remember that shade structures 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
Greenvale, NY
- Average high temperature in August: 80.4°F
The warmest month (with the highest average high temperature) is July (81.5°F).
The month with the lowest average high temperature is January (36.5°F).
- Average low temperature in August: 70.3°F
The months with the highest average low temperature are July and August (70.3°F).
The coldest month (with the lowest average low temperature) is January (27.3°F).
Average pressure in August
Greenvale, 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
Greenvale, NY
- Average wind speed in August: 7.4mph
The windiest month (with the highest average wind speed) is January (11.2mph).
The calmest month (with the lowest average wind speed) is July (7.3mph).
Average humidity in August
Greenvale, NY
- Average humidity in August: 71%
The months with the highest relative humidity are February, May and December (75%).
The months with the lowest relative humidity are August and November (71%).
Average rainfall in August
Greenvale, NY
- Average rainfall in August: 3.54"
The wettest month (with the highest rainfall) is December (4.06").
The driest month (with the least rainfall) is September (2.4").
Average rainfall days in August
Greenvale, NY
- Average rainfall days in August: 16.2 days
The month with the highest number of rainy days is July (17.9 days).
The month with the least rainy days is January (9.3 days).
Average snowfall in August
Greenvale, NY
- Average snowfall in August: 0"
The month with the highest snowfall is March (2.01").
The months with the least snowfall are May, June, July, August, September and October (0").
Average snowfall days in August
Greenvale, NY
- Average snowfall days in August: 0 days
The month with the highest number of snowfall days is January (6.8 days).
The months with the least snowfall days are June, July, August, September and October (0 days).
Average daylight in August /
Average sunshine in August
Greenvale, 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 36min
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
Greenvale, NY
- Average sunshine days in August: 12.5 days
The month with the most sunshine days is November (18 days).
The month with the least sunshine days is July (10.6 days).
Average UV index in August
Greenvale, 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
Greenvale, NY
- Average cloud cover in August: 29
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 29).
Average visibility in August
Greenvale, 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).
