June weather forecastGlendale Heights, IL
June
Weather in June
The first month of the summer, June, is a warm month in Glendale Heights, Illinois, with an average temperature ranging between max 78.1°F (25.6°C) and min 60.4°F (15.8°C).Temperature
June shows a rise in the average high-temperature, moving from May's agreeable 68.5°F (20.3°C) to a moderately hot 78.1°F (25.6°C). Glendale Heights experiences a steady low-temperature of 60.4°F (15.8°C) throughout June.Humidity
In June, the average relative humidity in Glendale Heights, Illinois, is 78%.Rainfall
In June, the rain falls for 15 days. Throughout June, 1.46" (37mm) of precipitation is accumulated. Throughout the year, there are 119.1 rainfall days, and 10.83" (275mm) of precipitation is accumulated.Snowfall
May through September are months without snowfall.Daylight
With an average of 15h and 12min of daylight, June has the longest days of the year.On the first day of the month, sunrise is at 5:19 am and sunset at 8:21 pm. On the last day of June, sunrise is at 5:20 am and sunset at 8:31 pm CDT.
Sunshine
In Glendale Heights, the average sunshine in June is 9.6h.UV index
June through August, with an average maximum UV index of 6, are months with the highest UV index. A UV Index value of 6 to 7 symbolizes a high health hazard from exposure to the Sun's UV rays for the ordinary person.Note: A daily maximum UV index of 6 in June translates into the following instructions:
Take precautions against overexposure. Protection against sun damage is needed. Avoid direct exposure to the Sun between 10 a.m. and 4 p.m., the peak period for UV radiation, noting that objects like parasols or canopies might not offer complete sun protection. Shield yourself from the harmful effects of UV radiation with sun-protective attire, a hat, and quality sunglasses.
Published by: Weather U.S. | About Us
Data Sources | Weather Forecasting & Climate
Frequently asked questions
Average temperature in June
Glendale Heights, IL
- Average high temperature in June: 78.1°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 June: 60.4°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 June
Glendale Heights, IL
- Average pressure in June: 29.92"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 June
Glendale Heights, IL
- Average wind speed in June: 7.1mph
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 June
Glendale Heights, IL
- Average humidity in June: 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 June
Glendale Heights, IL
- Average rainfall in June: 1.46"
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 June
Glendale Heights, IL
- Average rainfall days in June: 15 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 June
Glendale Heights, IL
- Average snowfall in June: 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 June
Glendale Heights, IL
- Average snowfall days in June: 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 June /
Average sunshine in June
Glendale Heights, IL
- Average daylight in June: 15h and 12min
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 June: 9h and 36min
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 June
Glendale Heights, IL
- Average sunshine days in June: 11.5 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 June
Glendale Heights, IL
- Average UV index in June: 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 June
Glendale Heights, IL
- Average cloud cover in June: 35
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 June
Glendale Heights, IL
- Average visibility in June: 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).





