Humid subtropical

Cahokia Heights, Illinois

St. Clair County, Illinois · Population 17k · 407 ft elevation

Living in Cahokia Heights

Cahokia Heights has a humid subtropical climate: hot summers (July highs around 89°F) and cold winters (January lows around 24°F).

Precipitation is wet at about 41″ a year, and it gets light snow (14″ a season).

Skies are sunny (63% of possible sunshine). Summers get sticky, with about 63 muggy days a year.

Air quality is moderate: a median AQI of 47, with about 3 unhealthy-air days in the latest year.

Cahokia Heights at a glance

Population
17k
Elevation
407 ft
Average daily high
67°F54th percentile
Average daily low
47°F57th percentile
Annual precipitation
41″40th percentile
Annual snowfall
14″50th percentile
Sunshine hours per year
2,823 hrs52th percentile
Median AQI
4776th percentile
Median home value
$57k0th percentile
Median rent
$959/mo30th percentile
Median household income
$38k3th percentile
Property tax rate
2.29%94th percentile
Top state income-tax rate
5.0%
Sales tax (state + local)
8.9%
Unemployment rate
9.3%
Homes with broadband
80%8th percentile
Walkability index
11.676th percentile
Average commute
28 min
Math proficiency (8th grade)
3%0th percentile
Reading proficiency (8th grade)
8%
Overall natural-hazard risk
9564th percentile
Outdoor access
1212th percentile
Public land within 10 miles
0%
Public land within 30 miles
2%
Mountain relief within 30 miles
262 ft

Climate by month

Average monthly weather in Cahokia Heights, Illinois
MonthHighLowPrecipitationSnowSunshine
Jan40°F24°F2.5″4.9″156 hrs
Feb46°F28°F2.0″3.7″155 hrs
Mar56°F36°F3.3″1.2″195 hrs
Apr68°F46°F4.5″0.3″242 hrs
May77°F57°F4.8″—275 hrs
Jun86°F65°F4.4″—327 hrs
Jul89°F69°F3.7″—339 hrs
Aug88°F66°F3.7″—318 hrs
Sep81°F57°F3.4″—272 hrs
Oct69°F46°F3.1″—224 hrs
Nov55°F36°F3.3″0.8″179 hrs
Dec44°F29°F2.3″2.9″142 hrs

Near Cahokia Heights

Largest places in Illinois

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