August weather forecastHillview, IL
August
Weather in August
August, the last month of the summer in Hillview, is another warm month, with an average temperature ranging between max 83.5°F (28.6°C) and min 65.5°F (18.6°C).Temperature
The commencement of August records an average high-temperature of a still moderately hot 83.5°F (28.6°C), barely varying from July's 84.2°F (29°C). Hillview reports an average low-temperature of 65.5°F (18.6°C) during the nights of August.Heat index
The average heat index in August is calculated to be a tropical 91.4°F (33°C). Ensure additional precautions, heat exhaustion and heat cramps may be expected. Heatstroke could occur from sustained activity.In terms of the heat index, values are set with light wind and shade conditions in mind. Exposure to direct sunshine can increase heat index values by up to 15 Fahrenheit (8 Celsius) degrees.
Note: The heat index, also known as 'felt air temperature' or 'real feel', represents the fusion of temperature and moisture in the air to suggest how warm it feels. Factors encompassing physical activity, clothing, and metabolic differences have a role in shaping the individual's impression of temperature. Direct sun rays can make one feel hotter, potentially raising the heat index by 15 Fahrenheit (8 Celsius) degrees. Heat index values are highly important for children. Children often overlook the necessity for resting and fluid replenishment. Thirst is a late sign of dehydration - thus, it is critical to stay hydrated, especially during extended periods of physical activities.
Humidity
In Hillview, the average relative humidity in August is 79%.Rainfall
In August, the rain falls for 12.2 days. Throughout August, 1.85" (47mm) of precipitation is accumulated. Throughout the year, there are 127.3 rainfall days, and 17.24" (438mm) of precipitation is accumulated.Snowfall
In Hillview, snow does not fall in May through October.Daylight
The average length of the day in August is 13h and 40min.On the first day of the month, sunrise is at 6:02 am and sunset at 8:14 pm. On the last day of August, sunrise is at 6:30 am and sunset at 7:34 pm CDT.
Sunshine
In August, the average sunshine is 9.9h.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 rays for the ordinary person.Note: A daily high UV index of 6 in August leads to these guidelines:
Take precautions against overexposure. Protection against sun damage is needed. The Sun's UV radiation is most powerful between 10 a.m. and 4 p.m. To the extent possible, limit exposure to the direct sun during these hours. Outfit yourself in sun-safe attire, like long sleeves, pants, a hat, and UV-blocking sunglasses.
Published by: Weather U.S. | About Us
Data Sources | Weather Forecasting & Climate
Frequently asked questions
Average temperature in August
Hillview, IL
- Average high temperature in August: 83.5°F
The warmest month (with the highest average high temperature) is July (84.2°F).
The month with the lowest average high temperature is January (34.3°F).
- Average low temperature in August: 65.5°F
The month with the highest average low temperature is July (67.1°F).
The coldest month (with the lowest average low temperature) is January (21.9°F).
Average pressure in August
Hillview, IL
- Average pressure in August: 29.97"Hg
The month with the highest atmospheric pressure is January (30.15"Hg).
The month with the lowest atmospheric pressure is June (29.91"Hg).
Average wind speed in August
Hillview, IL
- Average wind speed in August: 6mph
The windiest months (with the highest average wind speed) are January, February and April (9.8mph).
The calmest month (with the lowest average wind speed) is July (5.9mph).
Average humidity in August
Hillview, IL
- Average humidity in August: 79%
The month with the highest relative humidity is July (81%).
The month with the lowest relative humidity is October (71%).
Average rainfall in August
Hillview, IL
- Average rainfall in August: 1.85"
The wettest month (with the highest rainfall) is June (2.44").
The driest months (with the least rainfall) are January and November (0.83").
Average rainfall days in August
Hillview, IL
- Average rainfall days in August: 12.2 days
The month with the highest number of rainy days is May (15.8 days).
The month with the least rainy days is January (5.5 days).
Average snowfall in August
Hillview, IL
- Average snowfall in August: 0"
The month with the highest snowfall is February (1.69").
The months with the least snowfall are May, June, July, August, September and October (0").
Average snowfall days in August
Hillview, IL
- Average snowfall days in August: 0 days
The month with the highest number of snowfall days is January (7.2 days).
The months with the least snowfall days are May, June, July, August and September (0 days).
Average daylight in August /
Average sunshine in August
Hillview, IL
- Average daylight in August: 13h and 42min
The month with the longest days is June (Average daylight: 14h and 54min).
The month with the shortest days is December (Average daylight: 9h and 24min).
- Average sunshine in August: 9h and 54min
The month with the most sunshine is June (Average sunshine: 10h and 12min).
The month with the least sunshine is January (Average sunshine: 4h and 24min).
Average sunshine days in August
Hillview, IL
- Average sunshine days in August: 15.2 days
The month with the most sunshine days is December (20.6 days).
The month with the least sunshine days is July (12.3 days).
Average UV index in August
Hillview, 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, February, November and December (UV index 2).
Average cloud cover in August
Hillview, IL
- Average cloud cover in August: 30
The month with the most cloud cover is January (Cloud cover 53).
The month with the least cloud cover is September (Cloud cover 29).
Average visibility in August
Hillview, 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).
