Aon Center (Chicago)

Building Chicago skyscraper and one of the city's tallest buildings

A solid, rectilinear skyscraper on Chicago’s Magnificent Mile housing offices and a ground‑level plaza. Visitors note its modernist profile while exploring nearby Millennium Park, Michigan Avenue shopping and the lakefront.

Main image
Aon Center (Chicago)
200 E. Randolph Street, Chicago, IL 60601, USA
41.8853, -87.6214

How to Get to Aon Center (Chicago) #

Located in the Loop near Millennium Park and the Chicago River. Accessible via CTA lines (Red, Blue, Brown) to nearby stations (e.g., Washington/Wells or Monroe) and numerous bus routes. Walking distance from Millennium Park.

Tips for Visiting Aon Center (Chicago) #

  • Visit the plaza-side cafés on lower levels to see how the tower reads at human scale.
  • On clear days, the reflective façade is spectacular; midday light creates strong contrasts worth photographing.
  • For parking, use nearby downtown garages-street parking is limited and expensive.

Best Time to Visit Aon Center (Chicago) #

A city-center landmark best seen during clear weather for unobstructed skyline views; summer and early autumn are most comfortable for exploring the area.

Summer (Jun-Aug)
June-August · 20-32°C
Best for rooftop views and strolling the Loop; building materials read strongly in bright light.
Winter (Dec-Feb)
December-February · -10-5°C
Chicago's winter sharpens the building's clean lines against low sun and frequent snow; outdoor viewing is chilly.

Weather & Climate near Aon Center (Chicago) #

Climate

Aon Center (Chicago)'s climate is classified as Hot-Summer Continental - Hot-Summer Continental climate with warm summers (peaking in July) and freezing winters (coldest in January). Temperatures range from -9°C to 29°C. Moderate rainfall (939 mm/year).

Air Quality: AQI 36 Good
Best Time to Visit
JulySeptemberAugust
Temperature & Rainfall
Temperature Range
35°
Warmest Month
-25°
Coldest Month
Monthly Conditions

January

January is the coldest month with highs of -1°C and lows of -9°C. Moderate rainfall (46 mm) and mostly overcast skies.

37 Poor

Comfort

-5°
Feels Like Freezing
-5°C
Temperature
-9° -1°
86%
Humidity
Very Humid

Weather

46 mm
Rainfall
4.9 m/s
Wind
Light Breeze
0.2
UV Index
Low
9.4h daylight

February

February is freezing with highs of 2°C and lows of -6°C. Moderate rainfall (40 mm) and mostly overcast skies.

39 Poor

Comfort

-2°
Feels Like Freezing
-2°C
Temperature
-6°
84%
Humidity
Very Humid

Weather

40 mm
Rainfall
4.7 m/s
Wind
Light Breeze
0.4
UV Index
Low
10.5h daylight

March

March is cold with highs of 7°C and lows of -2°C. Moderate rainfall (66 mm) and partly cloudy skies.

48 Poor

Comfort

Feels Like Cold
C
Temperature
-2°
82%
Humidity
Very Humid

Weather

66 mm
Rainfall
4.9 m/s
Wind
Light Breeze
0.7
UV Index
Moderate
11.8h daylight

April

April is cold with highs of 14°C and lows of 4°C. Regular rainfall (95 mm) and partly cloudy skies.

56 Acceptable

Comfort

Feels Like Cold
C
Temperature
14°
81%
Humidity
Very Humid

Weather

95 mm
Rainfall
5.0 m/s
Wind
Light Breeze
1.1
UV Index
High
13.2h daylight

May

May is cool with highs of 21°C and lows of 9°C. Regular rainfall (91 mm) and partly cloudy skies.

66 Good

Comfort

15°
Feels Like Cool
15°C
Temperature
21°
83%
Humidity
Very Humid

Weather

91 mm
Rainfall
4.4 m/s
Wind
Light Breeze
1.5
UV Index
High
14.4h daylight

June

June is mild with highs of 26°C and lows of 14°C. The wettest month with heavy rain (101 mm) and partly cloudy skies.

78 Very Good

Comfort

20°
Feels Like Mild
20°C
Temperature
14° 26°
81%
Humidity
Very Humid

Weather

101 mm
Rainfall
3.7 m/s
Wind
Light Breeze
1.8
UV Index
Very High
15.0h daylight

July

July is the warmest month with highs of 29°C and lows of 18°C. Regular rainfall (93 mm).

84 Excellent

Comfort

23°
Feels Like Mild
23°C
Temperature
18° 29°
78%
Humidity
Very Humid

Weather

93 mm
Rainfall
3.3 m/s
Wind
Light Breeze
1.9
UV Index
Very High
14.7h daylight

August

August is mild with highs of 27°C and lows of 17°C. Regular rainfall (100 mm) and partly cloudy skies.

80 Excellent

Comfort

22°
Feels Like Mild
22°C
Temperature
17° 27°
77%
Humidity
Very Humid

Weather

100 mm
Rainfall
3.1 m/s
Wind
Light Breeze
1.6
UV Index
Very High
13.7h daylight

September

September is mild with highs of 24°C and lows of 13°C. Regular rainfall (91 mm).

82 Excellent

Comfort

18°
Feels Like Mild
18°C
Temperature
13° 24°
76%
Humidity
Very Humid

Weather

91 mm
Rainfall
3.4 m/s
Wind
Light Breeze
1.2
UV Index
High
12.3h daylight

October

October is cool with highs of 17°C and lows of 6°C. Moderate rainfall (71 mm) and partly cloudy skies.

68 Good

Comfort

12°
Feels Like Cool
12°C
Temperature
17°
77%
Humidity
Very Humid

Weather

71 mm
Rainfall
4.0 m/s
Wind
Light Breeze
0.6
UV Index
Moderate
11.0h daylight

November

November is cold with highs of 9°C and lows of 1°C. Regular rainfall (80 mm) and partly cloudy skies.

56 Acceptable

Comfort

Feels Like Cold
C
Temperature
80%
Humidity
Very Humid

Weather

80 mm
Rainfall
4.6 m/s
Wind
Light Breeze
0.3
UV Index
Low
9.7h daylight

December

December is freezing with highs of 2°C and lows of -6°C. Moderate rainfall (65 mm) and mostly overcast skies.

35 Poor

Comfort

-2°
Feels Like Freezing
-2°C
Temperature
-6°
85%
Humidity
Very Humid

Weather

65 mm
Rainfall
4.6 m/s
Wind
Light Breeze
0.2
UV Index
Low
9.1h daylight

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