Hot-summer humid continental

Blue Island, Illinois

Cook County, Illinois · Population 23k · 646 ft elevation

Living in Blue Island

Blue Island has a hot-summer humid continental climate: hot summers (July highs around 85°F) and cold winters (January lows around 19°F).

Precipitation is wet at about 41″ a year, and it gets a fair bit of snow (39″ a season).

Skies are partly sunny (57% of possible sunshine). Summers get sticky, with about 35 muggy days a year.

Air quality is poor: a median AQI of 53, with about 25 unhealthy-air days in the latest year.

Blue Island at a glance

Population
23k
Elevation
646 ft
Average daily high
61°F24th percentile
Average daily low
44°F41th percentile
Annual precipitation
41″40th percentile
Annual snowfall
39″79th percentile
Sunshine hours per year
2,593 hrs20th percentile
Median AQI
5389th percentile
Median home value
$170k25th percentile
Median rent
$1,071/mo40th percentile
Median household income
$61k31th percentile
Property tax rate
2.61%97th percentile
Top state income-tax rate
5.0%
Sales tax (state + local)
8.9%
Unemployment rate
11.7%
Homes with broadband
85%20th percentile
Walkability index
14.695th percentile
Average commute
28 min
Math proficiency (8th grade)
13%5th percentile
Reading proficiency (8th grade)
31%
Violent crime rate
291 per 100k70th percentile
Property crime rate
2,088 per 100k
Overall natural-hazard risk
10093th percentile
Outdoor access
77th percentile
Public land within 10 miles
1%
Public land within 30 miles
1%
Mountain relief within 30 miles
197 ft

Climate by month

Average monthly weather in Blue Island, Illinois
MonthHighLowPrecipitationSnowSunshine
Jan33°F19°F2.3″12.5″122 hrs
Feb37°F23°F2.1″10.1″140 hrs
Mar48°F32°F2.7″5.7″193 hrs
Apr60°F42°F4.2″1.0″224 hrs
May71°F52°F4.8″—259 hrs
Jun81°F63°F4.5″—303 hrs
Jul85°F68°F4.0″—331 hrs
Aug83°F67°F4.1″—300 hrs
Sep76°F59°F3.3″—259 hrs
Oct64°F47°F3.9″0.1″194 hrs
Nov50°F35°F2.7″1.5″150 hrs
Dec38°F25°F2.3″7.9″118 hrs

Near Blue Island

Largest places in Illinois

Sources: NOAA climate normals, NASA POWER, EPA air quality, U.S. Census Bureau, FEMA, FBI, EPA walkability and EDFacts. Methodology