Hot-summer humid continental

Collinsville, Illinois

Madison County, Illinois · Population 24k · 574 ft elevation

Living in Collinsville

Collinsville has a hot-summer humid continental 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 (11″ a season).

Skies are sunny (63% of possible sunshine). Summers get sticky, with about 61 muggy days a year.

Air quality is moderate: a median AQI of 49, with about 4 unhealthy-air days in the latest year.

Collinsville at a glance

Population
24k
Elevation
574 ft
Average daily high
66°F50th percentile
Average daily low
46°F52th percentile
Annual precipitation
41″40th percentile
Annual snowfall
11″47th percentile
Sunshine hours per year
2,824 hrs53th percentile
Median AQI
4982th percentile
Median home value
$158k21th percentile
Median rent
$979/mo32th percentile
Median household income
$65k37th percentile
Property tax rate
1.71%81th percentile
Top state income-tax rate
5.0%
Sales tax (state + local)
8.9%
Unemployment rate
4.5%
Homes with broadband
92%55th percentile
Walkability index
9.158th percentile
Average commute
25 min
Math proficiency (8th grade)
23%15th percentile
Reading proficiency (8th grade)
26%
Violent crime rate
216 per 100k59th percentile
Property crime rate
1,037 per 100k
Overall natural-hazard risk
9357th percentile
Outdoor access
88th percentile
Public land within 10 miles
0%
Public land within 30 miles
1%
Mountain relief within 30 miles
230 ft

Climate by month

Average monthly weather in Collinsville, Illinois
MonthHighLowPrecipitationSnowSunshine
Jan40°F24°F2.5″3.7″155 hrs
Feb45°F27°F2.0″2.5″154 hrs
Mar56°F36°F3.3″1.0″195 hrs
Apr67°F45°F4.5″0.1″242 hrs
May76°F56°F4.8″—275 hrs
Jun85°F64°F4.4″—327 hrs
Jul89°F68°F3.7″—340 hrs
Aug87°F66°F3.7″—318 hrs
Sep80°F57°F3.4″—272 hrs
Oct69°F46°F3.1″—224 hrs
Nov55°F35°F3.3″0.2″179 hrs
Dec44°F28°F2.3″3.3″142 hrs

Near Collinsville

Largest places in Illinois

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