August weather forecastHoffman Estates, IL
August
Weather in August
August provides relief from the extreme warmth of July, as temperatures start to dip indicating the approach of Fall. However, this month doesn't lose out on its breezy days, as wind speed reduces further to 6.2mph (10km/h) down from the 6.5mph (10.5km/h) reported in July. Farmers' markets abound with fresh produce, as the harvesting season gets into full swing. Colorful parasols dot the river banks as families gather for recreational activities. Afternoon siestas become a common practice as sultry afternoons make way for pleasant evenings.Temperature
Hoffman Estates, Illinois, records an average high-temperature of a still moderately hot 80.1°F (26.7°C) as August arrives, nearly mirroring the previous month's climate. Throughout the month of August, Hoffman Estates reports a steady low-temperature average of 64.2°F (17.9°C).Humidity
In August, the average relative humidity is 76%.Rainfall
In Hoffman Estates, in August, during 16.2 rainfall days, 2.72" (69mm) of precipitation is typically accumulated. Throughout the year, there are 145.9 rainfall days, and 24.72" (628mm) of precipitation is accumulated.Snowfall
In Hoffman Estates, snow does not fall in June through September.Daylight
In August, the average length of the day is 13h and 50min.On the first day of August, sunrise is at 5:46 am and sunset at 8:10 pm. On the last day of the month, sunrise is at 6:17 am and sunset at 7:27 pm CDT.
Sunshine
The average sunshine in August is 9.8h.UV index
June through August, with an average maximum UV index of 6, are months with the highest UV index. A UV Index reading of 6 to 7 represents a high health risk from exposure to the Sun's UV radiation for average individuals.Note: A maximum daily UV index of 6 during August morphs into the following directions:
Shun overexposure. Protection from sun ravages is indispensable. Stay in the shade and avoid direct Sun exposure from 10 a.m. to 4 p.m., a time when UV radiation is at its strongest, and remember that parasols or canopies do not offer full protection. 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
Hoffman Estates, IL
- Average high temperature in August: 80.1°F
The warmest month (with the highest average high temperature) is July (81.7°F).
The month with the lowest average high temperature is January (27.9°F).
- Average low temperature in August: 64.2°F
The month with the highest average low temperature is July (65.7°F).
The coldest month (with the lowest average low temperature) is January (16.5°F).
Average pressure in August
Hoffman Estates, IL
- Average pressure in August: 29.98"Hg
The month with the highest atmospheric pressure is January (30.11"Hg).
The month with the lowest atmospheric pressure is June (29.92"Hg).
Average wind speed in August
Hoffman Estates, IL
- Average wind speed in August: 6.2mph
The windiest month (with the highest average wind speed) is January (9.9mph).
The calmest month (with the lowest average wind speed) is August (6.2mph).
Average humidity in August
Hoffman Estates, IL
- Average humidity in August: 76%
The months with the highest relative humidity are January and February (83%).
The month with the lowest relative humidity is October (73%).
Average rainfall in August
Hoffman Estates, IL
- Average rainfall in August: 2.72"
The wettest month (with the highest rainfall) is May (3.07").
The driest month (with the least rainfall) is December (1.14").
Average rainfall days in August
Hoffman Estates, IL
- Average rainfall days in August: 16.2 days
The month with the highest number of rainy days is July (17.7 days).
The month with the least rainy days is February (4.8 days).
Average snowfall in August
Hoffman Estates, IL
- Average snowfall in August: 0"
The month with the highest snowfall is February (4.21").
The months with the least snowfall are June, July, August and September (0").
Average snowfall days in August
Hoffman Estates, IL
- Average snowfall days in August: 0 days
The month with the highest number of snowfall days is January (12.7 days).
The months with the least snowfall days are June, July, August and September (0 days).
Average daylight in August /
Average sunshine in August
Hoffman Estates, IL
- 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 12min).
- Average sunshine in August: 9h and 48min
The month with the most sunshine is July (Average sunshine: 9h and 54min).
The month with the least sunshine is January (Average sunshine: 3h and 36min).
Average sunshine days in August
Hoffman Estates, IL
- Average sunshine days in August: 11.1 days
The month with the most sunshine days is November (17.4 days).
The month with the least sunshine days is July (10.4 days).
Average UV index in August
Hoffman Estates, IL
- 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 and December (UV index 1).
Average cloud cover in August
Hoffman Estates, IL
- Average cloud cover in August: 32
The month with the most cloud cover is January (Cloud cover 62).
The months with the least cloud cover are July, August and September (Cloud cover 32).
Average visibility in August
Hoffman Estates, IL
- Average visibility in August: 6mi
The months with the highest visibility are March, April, May, June, July, August, September, October, November and December (6mi).
The months with the lowest visibility are January and February (5mi).
