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 arrival of August marks a slight shift to an average high-temperature of a still warm 76.3°F (24.6°C) from July's 78.4°F (25.8°C). Upper Lisle's August nights cool down to an average low-temperature of 54.9°F (12.7°C).Humidity
The average relative humidity in August in Upper Lisle is 81%.Rainfall
The month with the most rainfall in Upper Lisle is August, when the rain falls for 17.5 days and typically aggregates up to 3.27" (83mm) of precipitation.Snowfall
In Upper Lisle, snow does not fall in June through September.Daylight
In August, the average length of the day in Upper Lisle 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
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 moderate health risk from exposure to the Sun's UV radiation for the ordinary person.Note: A maximum high daily UV index of 5 during August translates into the following directions:
Undertake precautions - Guarding against sun damage is counselled. To avoid the Sun's strongest rays, limit exposure around the mid-day period. Combat UV radiation's detrimental effects with sun-safe clothing and UV-blocking eyewear.
Frequently asked questions
What is the average August temperature in Upper Lisle?
What is the average humidity in August in Upper Lisle?
What is the wettest month in Upper Lisle?
How many days does it rain in August in Upper Lisle?
When it does not snow in Upper Lisle?
What is the average length of the day in August in Upper Lisle?
When are sunrise and sunset in August in Upper Lisle?
How long on average sun shines in August in Upper Lisle?
What is the month with the highest UV index in Upper Lisle?
What is the UV index intensity 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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