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Glendale Heights, United States Snapshot 2026
Where is Glendale Heights?
Glendale Heights, United States
- Continent
- Americas
- Country
- United States
- City
- Glendale Heights
- Population
- 34.2K
- Elevation
- 232 m
- Coordinates
- 41.91°, -88.06°
Glendale Heights is a city in United States with a population of approximately 34.2K. Average temperatures range from -7°C (19°F) in January to 28°C (83°F) in July. The best time to visit is June, July, August, September, October. The city sits at an elevation of 232 m above sea level.
Time in Glendale Heights right now
Open full time & time zone page 03:07 07
Tuesday, June 16, 2026
IANA time zone
America/Chicago
Daylight saving
DST in effect
CST / CDT
Next DST change
November 1
backward -1h
Live weather in Glendale Heights
Daylight in Glendale Heights today
View full sunrise & sunset page Sunrise
Sunset
Day length
15h 13m
Climate normals for Glendale Heights
Long-term monthly averages based on historical data.
January
Poor 
February
Poor March
Poor April
Fair May
Good June best
Excellent July best
Excellent August best
Excellent September best
Excellent October best
Good November
Poor December
Poor | Month | Temp | Feels Like | Rain | Sun | Humidity | UV | Status | Details |
|---|---|---|---|---|---|---|---|---|
| January | 0°C / -7°C | -4°C / -12°C | 9days (61 mm) Wet | 5.1h Fair | 73% Muggy | 2.1 Moderate | Poor | View Details |
| February | 3°C / -6°C | -1°C / -11°C | 8days (49 mm) Wet | 6.9h Fair | 69% Muggy | 3.4 Moderate | Poor | View Details |
| March | 10°C / 0°C | 6°C / -4°C | 11days (89 mm) Wet | 7.8h Good | 67% Muggy | 4.5 Moderate | Poor | View Details |
| April | 15°C / 4°C | 13°C / 1°C | 13days (110 mm) Wet | 8.9h Good | 67% Muggy | 5.5 High | Fair | View Details |
| May | 21°C / 11°C | 21°C / 9°C | 13days (125 mm) Wet | 10.3h Excellent | 69% Muggy | 6.7 High | Good | View Details |
| June best | 27°C / 17°C | 29°C / 17°C | 12days (108 mm) Wet | 11.9h Excellent | 68% Muggy | 7.1 Very High | Excellent | View Details |
| July best | 28°C / 19°C | 31°C / 21°C | 12days (103 mm) Wet | 12h Excellent | 72% Muggy | 7 High | Excellent | View Details |
| August best | 27°C / 19°C | 30°C / 20°C | 11days (85 mm) Wet | 11.4h Excellent | 73% Muggy | 6.5 High | Excellent | View Details |
| September best | 25°C / 16°C | 25°C / 15°C | 9days (72 mm) Wet | 9.6h Good | 71% Muggy | 5.3 High | Excellent | View Details |
| October best | 17°C / 9°C | 15°C / 6°C | 10days (98 mm) Wet | 7.4h Good | 69% Muggy | 3.8 Moderate | Good | View Details |
| November | 9°C / 2°C | 6°C / -2°C | 7days (52 mm) Good | 6.1h Fair | 70% Muggy | 2.5 Moderate | Poor | View Details |
| December | 3°C / -3°C | -1°C / -8°C | 8days (54 mm) Wet | 5.1h Fair | 72% Muggy | 1.8 Low | Poor | View Details |
Monthly Temperatures
HighLow
Line chart showing monthly temperatures. Jan: 0°C / -7°C . Feb: 3°C / -6°C . Mar: 10°C / 0°C . Apr: 15°C / 4°C . May: 21°C / 11°C . Jun: 27°C / 17°C . Jul: 28°C / 19°C . Aug: 27°C / 19°C . Sep: 25°C / 16°C . Oct: 17°C / 9°C . Nov: 9°C / 2°C . Dec: 3°C / -3°C .
Monthly Rainfall
Rainfall
Bar chart showing monthly rainfall. Jan: 61 mm. Feb: 49 mm. Mar: 89 mm. Apr: 110 mm. May: 125 mm. Jun: 108 mm. Jul: 103 mm. Aug: 85 mm. Sep: 72 mm. Oct: 98 mm. Nov: 52 mm. Dec: 54 mm.
Monthly Humidity
Humidity
Line chart showing monthly humidity. Jan: 73%. Feb: 69%. Mar: 67%. Apr: 67%. May: 69%. Jun: 68%. Jul: 72%. Aug: 73%. Sep: 71%. Oct: 69%. Nov: 70%. Dec: 72%.
Monthly Wind Speed
Wind SpeedGusts
Bar chart showing monthly wind speed. Jan: 20 km/h . Feb: 21 km/h . Mar: 21 km/h . Apr: 21 km/h . May: 19 km/h . Jun: 18 km/h . Jul: 15 km/h . Aug: 15 km/h . Sep: 17 km/h . Oct: 20 km/h . Nov: 20 km/h . Dec: 20 km/h .
UV Index
UV Index
Bar chart showing monthly UV index. Jan: UV 2. Feb: UV 3. Mar: UV 5. Apr: UV 6. May: UV 7. Jun: UV 7. Jul: UV 7. Aug: UV 7. Sep: UV 5. Oct: UV 4. Nov: UV 3. Dec: UV 2.
Frequently Asked Questions
Glendale Heights has a population of approximately 34.2K.
The best months to visit Glendale Heights are June, July, August, September, October, when temperatures are pleasant and rainfall is lower.
Glendale Heights receives approximately 1006mm of rainfall annually across 123 rainy days.
Glendale Heights is located in United States, in the Americas region.
Glendale Heights sits at an elevation of 232 m (761 ft) above sea level.