Chicago Loop, Illinois Climate
United States
Pop. 33,442 Elev. 185 m / 607 ft
TZ: America/Chicago (UTC-5) ·
Chicago Loop has a dry climate with warm summers reaching 83°F (28°C) in July and cold winters averaging 18°F (-8°C) in January. Humidity pushes the summer feels-like temperature to 89°F (32°C), while wind chill can drive winter lows to 8°F (-13°C). Rain falls on about 43 days per year (31.1 in / 790 mm total), with snow on 6 days and 40 in (1022 mm) of annual accumulation. The city averages 110 sunny days per year and around 27 thunderstorm days. Ocean water temperatures reach 76°F (25°C) in summer.
| Temperature | 83°F (28°C) high | 18°F (-8°C) low |
| Feels like | 89°F (32°C) high | 8°F (-13°C) low |
| Rain | 43 days | 31.1 in (790 mm) /yr |
| Snow | 6 days | 40.2 in (1022 mm) /yr |
| Sky | 110 sunny | 27 stormy |
| Wind | 3.1 mph (1.4 m/s) avg |
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Explore on the MapMonthly Climate Chart
Best months to visit: Aug, Sep, Oct
Sky & Air by Month
Cloud cover (%)
59
Jan 68
Feb 59
Mar 65
Apr 62
May 53
Jun 59
Jul 49
Aug 34
Sep 46
Oct 59
Nov 80
Dec Humidity (%)
60
Jan 67
Feb 64
Mar 67
Apr 73
May 71
Jun 76
Jul 72
Aug 70
Sep 68
Oct 67
Nov 73
Dec Weather Days by Month
Water Temperatures
Cities with Similar Climate
Find similar cities on the map →Nearby Cities
Nearby
Commercial airport 9 mi Chicago Midway International Airport (MDW)
Ski resort 3 mi Bunny Hill
National park 13 mi Pullman National Historical Park
Hospital 1 mi Northwestern Memorial Hospital
Hiking trail 2 mi OBT-1
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Monthly Weather Data
↑ See chart| Month | Avg High | Avg Low | Rainfall | Snowfall | Sunny Days |
|---|---|---|---|---|---|
| January | 31°F -1°C | 18°F -8°C | 1.3 in 34 mm | 5.4 in136 mm | 9 |
| February | 34°F 1°C | 21°F -6°C | 0.1 in 3 mm | 9.9 in251 mm | 3 |
| March | 53°F 12°C | 36°F 2°C | 3.1 in 80 mm | 4.9 in124 mm | 8 |
| April | 56°F 13°C | 42°F 6°C | 2.7 in 68 mm | 0.1 in3 mm | 6 |
| May | 62°F 16°C | 48°F 9°C | 3.7 in 95 mm | — | 8 |
| June | 78°F 26°C | 63°F 17°C | 4.9 in 125 mm | — | 10 |
| July | 83°F 28°C | 70°F 21°C | 4.9 in 125 mm | — | 8 |
| August | 78°F 26°C | 66°F 19°C | 2.9 in 75 mm | — | 15 |
| September | 75°F 24°C | 60°F 15°C | 0.9 in 24 mm | — | 18 |
| October | 64°F 18°C | 52°F 11°C | 3.0 in 76 mm | — | 14 |
| November | 49°F 10°C | 38°F 3°C | 1.4 in 35 mm | 12.3 in312 mm | 10 |
| December | 36°F 2°C | 24°F -5°C | 2.0 in 52 mm | 7.7 in195 mm | 1 |
Weather Days by Month
↑ See chart| Month | Sunny Days | Storm Days |
|---|---|---|
| January | 9 | 1 |
| February | 3 | 0 |
| March | 8 | 3 |
| April | 6 | 1 |
| May | 8 | 4 |
| June | 10 | 4 |
| July | 8 | 7 |
| August | 15 | 4 |
| September | 18 | 1 |
| October | 14 | 1 |
| November | 10 | 0 |
| December | 1 | 1 |
Water Temperatures Data
↑ See chart| Month | Ocean Avg High | Lake Avg High |
|---|---|---|
| January | 38°F 3°C | 33°F 0°C |
| February | 35°F 2°C | 32°F 0°C |
| March | 37°F 3°C | 37°F 3°C |
| April | 42°F 6°C | 46°F 8°C |
| May | 48°F 9°C | 54°F 12°C |
| June | 71°F 21°C | 66°F 19°C |
| July | 74°F 24°C | 77°F 25°C |
| August | 76°F 25°C | 74°F 23°C |
| September | 69°F 21°C | 67°F 20°C |
| October | 66°F 19°C | 60°F 15°C |
| November | 54°F 12°C | 45°F 7°C |
| December | 45°F 7°C | 34°F 1°C |