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
At the start of August, Vernon Hills's average high-temperature reaches a still moderately hot 79.3°F (26.3°C), subtly different from the preceding month. Vernon Hills anticipates an average minimum temperature of 63.7°F (17.6°C) in the month of August.Humidity
In Vernon Hills, the average relative humidity in August is 77%.Rainfall
In Vernon Hills, in August, it is raining for 15.8 days, with typically 2.87" (73mm) of accumulated precipitation. Throughout the year, in Vernon Hills, there are 147.3 rainfall days, and 27.44" (697mm) of precipitation is accumulated.Snowfall
June through September are months without snowfall in Vernon Hills, Illinois.Daylight
In Vernon Hills, the average length of the day in August is 13h and 50min.On the first day of the month, sunrise is at 5:45 am and sunset at 8:10 pm. On the last day of August, in Vernon Hills, sunrise is at 6:16 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 in Vernon Hills.UV index
July and August, with an average maximum UV index of 6, are months with the highest UV index. A UV Index estimate of 6 to 7 represents a high health risk from unprotected exposure to Sun's UV rays for average individuals.Note: In August, the maximum UV index of 6 suggests this advice:
Conform to measures and uphold sun safety traditions. Warding off skin and eye harm is necessary. 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. Safeguard your eyes, ears, and face from sun rays with the aid of a wide-brim hat.
Frequently asked questions
What are the temperatures in Vernon Hills in August?
What is the average humidity in August in Vernon Hills?
How many days does it rain in August in Vernon Hills?
When it does not snow in Vernon Hills?
What is the average length of the day in August in Vernon Hills?
When are sunrise and sunset in August in Vernon Hills?
What is the month with the most sunshine in Vernon Hills?
How many hours of sunshine does Vernon Hills have in August?
What is the month with the highest UV index in Vernon Hills?
What is the UV index intensity in August in Vernon Hills?
Average temperature in August
Vernon Hills, IL
- Average high temperature in August: 79.3°F
The warmest month (with the highest average high temperature) is July (80.4°F).
The month with the lowest average high temperature is January (27.9°F).
- Average low temperature in August: 63.7°F
The month with the highest average low temperature is July (64.9°F).
The coldest month (with the lowest average low temperature) is January (16.5°F).
Average pressure in August
Vernon Hills, IL
- Average pressure in August: 29.98"Hg
The month with the highest atmospheric pressure is January (30.1"Hg).
The month with the lowest atmospheric pressure is June (29.92"Hg).
Average wind speed in August
Vernon Hills, IL
- Average wind speed in August: 6.4mph
The windiest month (with the highest average wind speed) is January (10.3mph).
The calmest month (with the lowest average wind speed) is August (6.4mph).
Average humidity in August
Vernon Hills, IL
- Average humidity in August: 77%
The months with the highest relative humidity are January and February (83%).
The month with the lowest relative humidity is October (74%).
Average rainfall in August
Vernon Hills, IL
- Average rainfall in August: 2.87"
The wettest month (with the highest rainfall) is June (3.54").
The driest months (with the least rainfall) are November and December (1.3").
Average rainfall days in August
Vernon Hills, IL
- Average rainfall days in August: 15.8 days
The month with the highest number of rainy days is May (17.8 days).
The month with the least rainy days is February (4.3 days).
Average snowfall in August
Vernon Hills, IL
- Average snowfall in August: 0"
The month with the highest snowfall is February (5.55").
The months with the least snowfall are June, July, August and September (0").
Average snowfall days in August
Vernon Hills, IL
- Average snowfall days in August: 0 days
The month with the highest number of snowfall days is January (12.9 days).
The months with the least snowfall days are June, July, August and September (0 days).
Average daylight in August /
Average sunshine in August
Vernon Hills, 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: 10h and 1min
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
Vernon Hills, IL
- Average sunshine days in August: 12.7 days
The month with the most sunshine days is November (16.6 days).
The month with the least sunshine days is June (10 days).
Average UV index in August
Vernon Hills, IL
- Average UV index in August: 6
The months with the highest UV index are July and August (UV index 6).
The month with the lowest UV index is December (UV index 1).
Average cloud cover in August
Vernon Hills, IL
- Average cloud cover in August: 30
The month with the most cloud cover is January (Cloud cover 61).
The months with the least cloud cover are July and August (Cloud cover 30).
Average visibility in August
Vernon Hills, 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).
Vernon Hills, Illinois, USA
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