August weather forecastHillside, IL
August
Weather in August
August, the last month of the summer in Hillside, is also a moderately hot month, with an average temperature fluctuating between 80.2°F (26.8°C) and 65.7°F (18.7°C).Temperature
August ushers in an average high-temperature of a still moderately hot 80.2°F (26.8°C), aligning closely with the preceding month. Hillside, during the month of August, experiences an average low-temperature of 65.7°F (18.7°C).Humidity
In Hillside, the average relative humidity in August is 74%.Rainfall
In Hillside, in August, during 16.6 rainfall days, 2.83" (72mm) of precipitation is typically accumulated. Throughout the year, in Hillside, there are 149.4 rainfall days, and 25.08" (637mm) of precipitation is accumulated.Snowfall
In Hillside, snow does not fall in June through September.Daylight
In Hillside, Illinois, the average length of the day in August is 13h and 49min.On the first day of August in Hillside, sunrise is at 5:46 am and sunset at 8:09 pm. On the last day of the month, sunrise is at 6:17 am and sunset at 7:26 pm CDT.
Sunshine
July and August, with an average of 10.1h of sunshine, are months with the most sunshine.UV index
June through August, with an average maximum UV index of 6, are months with the highest UV index in Hillside, Illinois. A UV Index estimate of 6 to 7 represents a high threat to health from exposure to the Sun's UV radiation for the average person.Note: In August, the maximum UV index of 6 suggests this advice:
Resist overexposure. Safeguarding from solar damage is indispensable. From 10 a.m. to 4 p.m., when UV radiation is at its strongest, limit direct exposure to the Sun and note that shade structures may not provide full sun protection. A wide-brim hat offers excellent sun protection for the eyes, ears, face, and neck. Sunglasses with UVA and UVB protection significantly reduce eye damage from sun exposure.
Published by: Weather U.S. | About Us
Data Sources | Weather Forecasting & Climate
Frequently asked questions
Average temperature in August
Hillside, IL
- Average high temperature in August: 80.2°F
The warmest month (with the highest average high temperature) is July (81.9°F).
The month with the lowest average high temperature is January (28.8°F).
- Average low temperature in August: 65.7°F
The month with the highest average low temperature is July (66.6°F).
The coldest month (with the lowest average low temperature) is January (18°F).
Average pressure in August
Hillside, 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
Hillside, IL
- Average wind speed in August: 6.3mph
The windiest month (with the highest average wind speed) is January (10.2mph).
The calmest month (with the lowest average wind speed) is August (6.3mph).
Average humidity in August
Hillside, IL
- Average humidity in August: 74%
The months with the highest relative humidity are January and February (82%).
The month with the lowest relative humidity is October (72%).
Average rainfall in August
Hillside, IL
- Average rainfall in August: 2.83"
The wettest month (with the highest rainfall) is May (3.11").
The driest month (with the least rainfall) is December (1.14").
Average rainfall days in August
Hillside, IL
- Average rainfall days in August: 16.6 days
The months with the highest number of rainy days are May and July (17.3 days).
The month with the least rainy days is February (5.1 days).
Average snowfall in August
Hillside, IL
- Average snowfall in August: 0"
The month with the highest snowfall is February (3.86").
The months with the least snowfall are June, July, August and September (0").
Average snowfall days in August
Hillside, IL
- Average snowfall days in August: 0 days
The month with the highest number of snowfall days is January (12.4 days).
The months with the least snowfall days are June, July, August and September (0 days).
Average daylight in August /
Average sunshine in August
Hillside, 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: 10h and 6min
The months with the most sunshine are July and August (Average sunshine: 10h and 6min).
The month with the least sunshine is January (Average sunshine: 3h and 42min).
Average sunshine days in August
Hillside, IL
- Average sunshine days in August: 11.3 days
The month with the most sunshine days is November (16.8 days).
The month with the least sunshine days is July (9.5 days).
Average UV index in August
Hillside, 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
Hillside, IL
- Average cloud cover in August: 30
The month with the most cloud cover is January (Cloud cover 61).
The month with the least cloud cover is August (Cloud cover 30).
Average visibility in August
Hillside, IL
- Average visibility in August: 6mi
The months with the highest visibility are January, February, March, April, May, June, July, August, September, October, November and December (6mi).
The months with the lowest visibility are January, February, March, April, May, June, July, August, September, October, November and December (6mi).
