Contents
- Weather in August
- Frequently asked questions
- Average temperature in August
- Average pressure in August
- Average wind speed in August
- Average humidity in August
- Average rainfall in August
- Average rainfall days in August
- Average snowfall in August
- Average snowfall days in August
- Average daylight in August
- Average sunshine in August
- Average sunshine days in August
- Average UV index in August
- Average cloud cover in August
- Average visibility in August
Weather in August
Temperature
The beginning of August records an average high-temperature of a still moderately hot 76.3°F (24.6°C), almost echoing the conditions of the previous month. In August, Upper Lisle experiences an average nighttime temperature of 54.9°F (12.7°C).Humidity
In Upper Lisle, New York, the average relative humidity in August is 81%.Rainfall
August is the month with the most rainfall. Rain falls for 17.5 days and accumulates 3.27" (83mm) of precipitation.Snowfall
June through September are months without snowfall.Daylight
The average length of the day in August is 13h and 51min.On the first day of the month, sunrise is at 5:57 am and sunset at 8:23 pm. On the last day of August, in Upper Lisle, sunrise is at 6:28 am and sunset at 7:39 pm EDT.
Sunshine
In Upper Lisle, the average sunshine in August is 9.6h.UV index
May through August, with an average maximum UV index of 5, are months with the highest UV index. A UV Index value of 3 to 5 symbolizes a medium health hazard from exposure to the Sun's UV rays for the ordinary person.Note: In August, the maximum UV index of 5 suggests this advice:
Preventative actions are necessary - Suggestions to safeguard against sun damage are in order. Avoid the Sun's strongest UV rays by seeking shade and limiting exposure during midday. During bright days, sunglasses that offer UVA and UVB defense are recommended.
Published by: Weather U.S. | About Us
Data Sources | Weather Forecasting & Climate
Frequently asked questions
What is the usual temperature for Upper Lisle in August?
What is the average humidity in August?
What is the wettest month?
How many days does it rain in August?
When it does not snow?
What is the average length of the day in August?
When is the sunrise / sunset in August?
How many hours of sunshine does Upper Lisle have in August?
What are the months with the highest UV index?
How high is the UV index in August in Upper Lisle?
Average temperature in August
Upper Lisle, NY
- Average high temperature in August: 76.3°F
The warmest month (with the highest average high temperature) is July (78.4°F).
The month with the lowest average high temperature is January (27.3°F).
- Average low temperature in August: 54.9°F
The month with the highest average low temperature is July (57°F).
The coldest month (with the lowest average low temperature) is January (15.8°F).
Average pressure in August
Upper Lisle, NY
- Average pressure in August: 29.99"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
Upper Lisle, NY
- Average wind speed in August: 5.7mph
The windiest month (with the highest average wind speed) is January (9.5mph).
The calmest month (with the lowest average wind speed) is August (5.7mph).
Average humidity in August
Upper Lisle, NY
- Average humidity in August: 81%
The month with the highest relative humidity is February (88%).
The months with the lowest relative humidity are April, May, June and July (80%).
Average rainfall in August
Upper Lisle, NY
- Average rainfall in August: 3.27"
The wettest month (with the highest rainfall) is August (3.27").
The driest months (with the least rainfall) are January and September (2.36").
Average rainfall days in August
Upper Lisle, NY
- Average rainfall days in August: 17.5 days
The month with the highest number of rainy days is July (18.8 days).
The month with the least rainy days is February (8.2 days).
Average snowfall in August
Upper Lisle, NY
- Average snowfall in August: 0"
The month with the highest snowfall is February (8.62").
The months with the least snowfall are June, July, August and September (0").
Average snowfall days in August
Upper Lisle, NY
- Average snowfall days in August: 0 days
The month with the highest number of snowfall days is January (19.2 days).
The months with the least snowfall days are June, July, August and September (0 days).
Average daylight in August /
Average sunshine in August
Upper Lisle, NY
- Average daylight in August: 13h and 5min
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 4min
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
Upper Lisle, NY
- Average sunshine days in August: 11.5 days
The month with the most sunshine days is September (13.7 days).
The month with the least sunshine days is February (4.8 days).
Average UV index in August
Upper 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
Upper Lisle, NY
- Average cloud cover in August: 39
The month with the most cloud cover is February (Cloud cover 75).
The months with the least cloud cover are July and August (Cloud cover 39).
Average visibility in August
Upper 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).
Upper Lisle, New York, USA
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