August weather forecastYorkville, IL
August
Weather in August
August, the last month of the summer in Yorkville, is another warm month, with an average temperature ranging between min 61.7°F (16.5°C) and max 79.3°F (26.3°C).Temperature
Yorkville's shift into August sets the average high-temperature at a still moderately hot 79.3°F (26.3°C), a figure that deviates only slightly from July's 80.6°F (27°C). Throughout August, Yorkville anticipates an average low-temperature of 61.7°F (16.5°C).Humidity
The months with the highest humidity are July and August, with an average relative humidity of 84%.Rainfall
In Yorkville, in August, during 18.3 rainfall days, 3.11" (79mm) of precipitation is typically accumulated. In Yorkville, during the entire year, the rain falls for 168.3 days and collects up to 35.47" (901mm) of precipitation.Snowfall
May through September are months without snowfall.Daylight
In Yorkville, the average length of the day in August is 13h and 48min.On the first day of August, sunrise is at 5:48 am and sunset at 8:11 pm. On the last day of the month, sunrise is at 6:19 am and sunset at 7:28 pm CDT.
Sunshine
June and August, with an average of 9.6h of sunshine, are months with the most sunshine.UV index
The average daily maximum UV index in August in Yorkville, Illinois, is 5. A UV Index reading of 3 to 5 represents a moderate threat to health from exposure to the Sun's UV rays for ordinary individuals.Note: A maximum high daily UV index of 5 during August translates into the following directions:
Take heed. Individuals of lighter complexion can be burned in less than half an hour. Considering the harmful UV rays from the Sun during midday, it's essential to reduce exposure. For a sun-safe wardrobe, go for clothes that are tightly woven and generously sized.
Published by: Weather U.S. | About Us
Data Sources | Weather Forecasting & Climate
Frequently asked questions
Average temperature in August
Yorkville, IL
- Average high temperature in August: 79.3°F
The warmest month (with the highest average high temperature) is July (80.6°F).
The month with the lowest average high temperature is January (28.2°F).
- Average low temperature in August: 61.7°F
The month with the highest average low temperature is July (63.5°F).
The coldest month (with the lowest average low temperature) is January (16.2°F).
Average pressure in August
Yorkville, IL
- Average pressure in August: 29.98"Hg
The month with the highest atmospheric pressure is January (30.12"Hg).
The month with the lowest atmospheric pressure is June (29.92"Hg).
Average wind speed in August
Yorkville, IL
- Average wind speed in August: 6mph
The windiest months (with the highest average wind speed) are January and April (9.8mph).
The calmest month (with the lowest average wind speed) is August (6mph).
Average humidity in August
Yorkville, IL
- Average humidity in August: 84%
The months with the highest relative humidity are July and August (84%).
The month with the lowest relative humidity is October (74%).
Average rainfall in August
Yorkville, IL
- Average rainfall in August: 3.11"
The wettest month (with the highest rainfall) is May (4.88").
The driest month (with the least rainfall) is November (1.73").
Average rainfall days in August
Yorkville, IL
- Average rainfall days in August: 18.3 days
The month with the highest number of rainy days is July (20.3 days).
The month with the least rainy days is February (6 days).
Average snowfall in August
Yorkville, IL
- Average snowfall in August: 0"
The month with the highest snowfall is January (4.88").
The months with the least snowfall are May, June, July, August and September (0").
Average snowfall days in August
Yorkville, IL
- Average snowfall days in August: 0 days
The month with the highest number of snowfall days is January (13.4 days).
The months with the least snowfall days are June, July, August and September (0 days).
Average daylight in August /
Average sunshine in August
Yorkville, IL
- 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 12min).
- Average sunshine in August: 9h and 36min
The months with the most sunshine are June and August (Average sunshine: 9h and 36min).
The month with the least sunshine is January (Average sunshine: 3h and 48min).
Average sunshine days in August
Yorkville, IL
- Average sunshine days in August: 9.1 days
The month with the most sunshine days is November (16.3 days).
The month with the least sunshine days is July (7.2 days).
Average UV index in August
Yorkville, IL
- Average UV index in August: 5
The months with the highest UV index are June and July (UV index 6).
The months with the lowest UV index are January and December (UV index 1).
Average cloud cover in August
Yorkville, IL
- Average cloud cover in August: 34
The month with the most cloud cover is January (Cloud cover 60).
The months with the least cloud cover are August and September (Cloud cover 34).
Average visibility in August
Yorkville, IL
- Average visibility in August: 5mi
The months with the highest visibility are March, April, May, June, October, November and December (6mi).
The months with the lowest visibility are January, February, July, August and September (5mi).
