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
Glendale Heights experiences a subtle adjustment in high-temperatures to a still warm 80.2°F (26.8°C) with the onset of August, maintaining near parity with July's 81.5°F (27.5°C). Throughout the month of August, Glendale Heights witnesses an average temperature of 63.7°F (17.6°C).Humidity
The average relative humidity in August in Glendale Heights is 78%.Rainfall
In Glendale Heights, in August, during 12.1 rainfall days, 0.94" (24mm) of precipitation is typically accumulated. Throughout the year, in Glendale Heights, there are 119.1 rainfall days, and 10.83" (275mm) of precipitation is accumulated.Snowfall
In Glendale Heights, snow does not fall in May through September.Daylight
In Glendale Heights, the average length of the day in August is 13h and 49min.On the first day of August in Glendale Heights, 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 7:26 pm CDT.
Sunshine
July and August, with an average of 9.9h of sunshine, are months with the most sunshine in Glendale Heights.UV index
The months with the highest UV index in Glendale Heights are June through August, with an average maximum UV index of 6. A UV Index estimate of 6 to 7 represents a high health hazard from exposure to the Sun's UV rays for the ordinary person.Note: In August, a regular UV index of 6 translates into these guidelines:
Conform to measures and uphold sun safety traditions. Warding off skin and eye harm is necessary. Stay out of direct sunlight and seek shade between 10 a.m. and 4 p.m., when UV radiation is strongest, but remember that shade devices may not offer full sun protection. For holistic sun protection encompassing the eyes, ears, face, and neck, a wide-brim hat is key.
Frequently asked questions
What is the average August temperature in Glendale Heights?
What is the average humidity in August in Glendale Heights?
How much does it rain in Glendale Heights in August?
When it does not snow in Glendale Heights?
What is the average length of the day in August in Glendale Heights?
What time are sunrise and sunset in August in Glendale Heights?
What is the month with the most sunshine in Glendale Heights?
How many hours of sunshine does Glendale Heights have in August?
What is the month with the highest UV index in Glendale Heights?
What is the UV index reading in August in Glendale Heights?
Average temperature in August
Glendale Heights, IL
- Average high temperature in August: 80.2°F
The warmest month (with the highest average high temperature) is July (81.5°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 (16.7°F).
Average pressure in August
Glendale Heights, 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
Glendale Heights, IL
- Average wind speed in August: 6.1mph
The windiest month (with the highest average wind speed) is January (9.8mph).
The calmest month (with the lowest average wind speed) is August (6.1mph).
Average humidity in August
Glendale Heights, IL
- Average humidity in August: 78%
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
Glendale Heights, IL
- Average rainfall in August: 0.94"
The wettest month (with the highest rainfall) is May (1.65").
The driest months (with the least rainfall) are February, November and December (0.51").
Average rainfall days in August
Glendale Heights, IL
- Average rainfall days in August: 12.1 days
The month with the highest number of rainy days is June (15 days).
The month with the least rainy days is January (4.1 days).
Average snowfall in August
Glendale Heights, IL
- Average snowfall in August: 0"
The month with the highest snowfall is January (1.5").
The months with the least snowfall are May, June, July, August and September (0").
Average snowfall days in August
Glendale Heights, IL
- Average snowfall days in August: 0 days
The month with the highest number of snowfall days is January (9.3 days).
The months with the least snowfall days are June, July, August and September (0 days).
Average daylight in August /
Average sunshine in August
Glendale Heights, 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 5min
The months with the most sunshine are July and August (Average sunshine: 9h and 54min).
The month with the least sunshine is January (Average sunshine: 3h and 42min).
Average sunshine days in August
Glendale Heights, IL
- Average sunshine days in August: 14.3 days
The month with the most sunshine days is November (20.6 days).
The month with the least sunshine days is July (11.3 days).
Average UV index in August
Glendale Heights, 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
Glendale Heights, IL
- Average cloud cover in August: 32
The month with the most cloud cover is January (Cloud cover 61).
The months with the least cloud cover are July, August and September (Cloud cover 32).
Average visibility in August
Glendale Heights, 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).
Glendale Heights, Illinois, USA
Weather forecast for your location
2. Allow the app to use your location
