August weather forecastLisle, NY
August
Weather in August
August, the last month of the summer in Lisle, is also a moderately hot month, with temperature in the range of an average high of 76.3°F (24.6°C) and an average low of 55.6°F (13.1°C).Temperature
On the advent of August, Lisle's average high-temperature exhibits a minor adjustment to a still moderately hot 76.3°F (24.6°C) from July's 79°F (26.1°C). Lisle records a steady low-temperature average of 55.6°F (13.1°C) during August.Humidity
The average relative humidity in August is 81%.Rainfall
In August, the rain falls for 17.9 days. Throughout August, 3.5" (89mm) of precipitation is accumulated. Throughout the year, there are 173.5 rainfall days, and 35.67" (906mm) of precipitation is accumulated.Snowfall
June through September are months without snowfall.Daylight
In August, the average length of the day is 13h and 51min.On the first day of August, sunrise is at 5:57 am and sunset at 8:23 pm. On the last day of the month, sunrise is at 6:28 am and sunset at 7:39 pm EDT.
Sunshine
In August, the average sunshine is 9.5h.UV index
The months with the highest UV index are May through August, with an average maximum UV index of 5. A UV Index estimate of 3 to 5 represents a medium vulnerability from exposure to the Sun's UV rays for ordinary individuals.Note: In August, the UV index of 5 transforms into the following advice:
Put precautions into practice - Protective measures against sun-induced damage are advised. Avoid the Sun's strongest UV rays by seeking shade and limiting exposure during midday. Opt for tightly woven and loose clothing to enhance protection from the Sun.
Published by: Weather U.S. | About Us
Data Sources | Weather Forecasting & Climate
Frequently asked questions
Average temperature in August
Lisle, NY
- Average high temperature in August: 76.3°F
The warmest month (with the highest average high temperature) is July (79°F).
The month with the lowest average high temperature is January (27.3°F).
- Average low temperature in August: 55.6°F
The month with the highest average low temperature is July (57.4°F).
The coldest month (with the lowest average low temperature) is January (15.8°F).
Average pressure in August
Lisle, NY
- Average pressure in August: 29.99"Hg
The month with the highest atmospheric pressure is November (30.11"Hg).
The month with the lowest atmospheric pressure is June (29.93"Hg).
Average wind speed in August
Lisle, NY
- Average wind speed in August: 5.6mph
The windiest month (with the highest average wind speed) is January (9.3mph).
The calmest month (with the lowest average wind speed) is August (5.6mph).
Average humidity in August
Lisle, NY
- Average humidity in August: 81%
The month with the highest relative humidity is February (87%).
The months with the lowest relative humidity are April, May, June and July (80%).
Average rainfall in August
Lisle, NY
- Average rainfall in August: 3.5"
The wettest month (with the highest rainfall) is June (3.58").
The driest months (with the least rainfall) are January and November (2.4").
Average rainfall days in August
Lisle, NY
- Average rainfall days in August: 17.9 days
The month with the highest number of rainy days is July (19.3 days).
The month with the least rainy days is February (7.3 days).
Average snowfall in August
Lisle, NY
- Average snowfall in August: 0"
The month with the highest snowfall is February (10.87").
The months with the least snowfall are June, July, August and September (0").
Average snowfall days in August
Lisle, NY
- Average snowfall days in August: 0 days
The month with the highest number of snowfall days is January (21.6 days).
The months with the least snowfall days are June, July, August and September (0 days).
Average daylight in August /
Average sunshine in August
Lisle, NY
- Average daylight in August: 13h and 48min
The month with the longest days is June (Average daylight: 15h and 12min).
The month with the shortest days is December (Average daylight: 9h and 6min).
- Average sunshine in August: 9h and 30min
The month with the most sunshine is July (Average sunshine: 10h and 0min).
The month with the least sunshine is February (Average sunshine: 2h and 30min).
Average sunshine days in August
Lisle, NY
- Average sunshine days in August: 9.9 days
The month with the most sunshine days is September (14.3 days).
The month with the least sunshine days is February (5.7 days).
Average UV index in August
Lisle, NY
- Average UV index in August: 5
The months with the highest UV index are May, June, July and August (UV index 5).
The months with the lowest UV index are January, February and December (UV index 1).
Average cloud cover in August
Lisle, NY
- Average cloud cover in August: 40
The month with the most cloud cover is February (Cloud cover 74).
The month with the least cloud cover is July (Cloud cover 39).
Average visibility in August
Lisle, NY
- Average visibility in August: 5mi
The months with the highest visibility are March, April, May, June, July, August, September, October, November and December (5mi).
The months with the lowest visibility are January and February (4mi).





