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
In August, Hillcrest experiences a barely noticeable shift in meteorological conditions, with average high-temperatures moving from 79.9°F (26.6°C) in July to a still warm 78.3°F (25.7°C). During the nights in August, Hillcrest experiences a consistent average temperature of 61.2°F (16.2°C).Humidity
In Hillcrest, the average relative humidity in August is 84%.Rainfall
In Hillcrest, during August, the rain falls for 12.4 days and regularly aggregates up to 1.26" (32mm) of precipitation. In Hillcrest, Illinois, during the entire year, the rain falls for 124.5 days and collects up to 14.49" (368mm) of precipitation.Snowfall
May through September are months without snowfall.Daylight
In August, the average length of the day in Hillcrest is 13h and 49min.On the first day of August, sunrise is at 5:50 am and sunset at 8:14 pm. On the last day of the month, sunrise is at 6:21 am and sunset at 7:30 pm CDT.
Sunshine
In Hillcrest, the average sunshine in August is 9.4h.UV index
The months with the highest UV index are May through August, with an average maximum UV index of 5. A UV Index of 3 to 5 symbolizes a medium health hazard from unprotected exposure to Sun's UV rays for average individuals.Note: In August, the maximum UV index of 5 suggests this advice:
Preventative actions are necessary - Recommendations to ward off sunburn are given. Avoiding the Sun's peak radiation during midday hours is essential for health and safety. Sun protection is enhanced with clothing that boasts a tight weave yet offers a loose fit.
Published by: Weather U.S. | About Us
Data Sources | Weather Forecasting & Climate
Frequently asked questions
What is the temperature in August in Hillcrest?
What is the average humidity in August in Hillcrest?
How much does it rain in Hillcrest in August?
When it does not snow in Hillcrest?
What is the average length of the day in August in Hillcrest?
When are sunrise and sunset in August in Hillcrest?
How many hours of sunshine does Hillcrest have in August?
What are the months with the highest UV index in Hillcrest?
What is the UV index reading in August in Hillcrest?
Average temperature in August
Hillcrest, IL
- Average high temperature in August: 78.3°F
The warmest month (with the highest average high temperature) is July (79.9°F).
The month with the lowest average high temperature is January (27°F).
- Average low temperature in August: 61.2°F
The month with the highest average low temperature is July (63.1°F).
The coldest month (with the lowest average low temperature) is January (14.7°F).
Average pressure in August
Hillcrest, IL
- Average pressure in August: 29.97"Hg
The month with the highest atmospheric pressure is January (30.12"Hg).
The month with the lowest atmospheric pressure is June (29.91"Hg).
Average wind speed in August
Hillcrest, IL
- Average wind speed in August: 6.3mph
The windiest month (with the highest average wind speed) is April (10.3mph).
The calmest month (with the lowest average wind speed) is August (6.3mph).
Average humidity in August
Hillcrest, IL
- Average humidity in August: 84%
The months with the highest relative humidity are January and July (85%).
The month with the lowest relative humidity is October (74%).
Average rainfall in August
Hillcrest, IL
- Average rainfall in August: 1.26"
The wettest month (with the highest rainfall) is June (2.13").
The driest month (with the least rainfall) is February (0.55").
Average rainfall days in August
Hillcrest, IL
- Average rainfall days in August: 12.4 days
The month with the highest number of rainy days is June (16 days).
The month with the least rainy days is February (3.8 days).
Average snowfall in August
Hillcrest, IL
- Average snowfall in August: 0"
The month with the highest snowfall is January (2.2").
The months with the least snowfall are May, June, July, August and September (0").
Average snowfall days in August
Hillcrest, IL
- Average snowfall days in August: 0 days
The month with the highest number of snowfall days is January (10.3 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
Hillcrest, IL
- 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 12min).
- Average sunshine in August: 9h and 2min
The month with the most sunshine is June (Average sunshine: 9h and 30min).
The month with the least sunshine is January (Average sunshine: 3h and 36min).
Average sunshine days in August
Hillcrest, IL
- Average sunshine days in August: 16.8 days
The month with the most sunshine days is November (19.3 days).
The month with the least sunshine days is June (10.9 days).
Average UV index in August
Hillcrest, IL
- 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 and December (UV index 1).
Average cloud cover in August
Hillcrest, IL
- Average cloud cover in August: 35
The month with the most cloud cover is January (Cloud cover 63).
The month with the least cloud cover is September (Cloud cover 34).
Average visibility in August
Hillcrest, IL
- Average visibility in August: 5mi
The months with the highest visibility are February, March, April, May, June, September, October, November and December (6mi).
The months with the lowest visibility are January, July and August (5mi).
Hillcrest, Illinois, USA
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