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Best Climate Cities in Illinois

Warm temperatures, plenty of sunshine and clean air.

Best Climate Cleanest Air Sunniest Most Urban All Rankings →
All United States  ·  Illinois

How We Score

Each metric is normalized 0-100 across U.S. cities, then weighted and summed. Cities missing any metric are excluded.

Temperature · 35% Sunshine · 30% Clean Air · 25% Low Rain · 10%

Top 12 Best Climate Cities in Illinois

Ranked by composite score across 4 weighted metrics.

#1
Score 83
West Frankfort, IL
7,156 residents
Temperature 57°F
Sunshine 305 days
Clean Air 43
#2
Score 83
Marion, IL
16,796 residents
Temperature 57°F
Sunshine 305 days
Clean Air 43
#3
Score 83
Goreville, IL
1,164 residents
Temperature 57°F
Sunshine 305 days
Clean Air 43
#4
Score 83
Harrisburg, IL
8,608 residents
Temperature 57°F
Sunshine 305 days
Clean Air 43
#5
Score 83
Johnston City, IL
3,351 residents
Temperature 57°F
Sunshine 305 days
Clean Air 43
#6
Score 83
Carrier Mills, IL
1,702 residents
Temperature 57°F
Sunshine 305 days
Clean Air 43
#7
Score 83
Eldorado, IL
3,762 residents
Temperature 57°F
Sunshine 305 days
Clean Air 43
#8
Score 82.5
Chester, IL
6,830 residents
Temperature 56°F
Sunshine 305 days
Clean Air 43
#9
Score 82.3
Metropolis, IL
5,898 residents
Temperature 57°F
Sunshine 305 days
Clean Air 43
#10
Score 82
Jonesboro, IL
1,912 residents
Temperature 59°F
Sunshine 299 days
Clean Air 43
#11
Score 82
Anna, IL
4,222 residents
Temperature 59°F
Sunshine 299 days
Clean Air 43
#12
Score 81.9
Murphysboro, IL
6,804 residents
Temperature 56°F
Sunshine 305 days
Clean Air 43

Full Ranking, Illinois

Top 50 cities. Click any city to see its full profile.

1 West Frankfort IL 83
2 Marion IL 83
3 Goreville IL 83
4 Harrisburg IL 83
5 Johnston City IL 83
6 Carrier Mills IL 83
7 Eldorado IL 83
8 Chester IL 82.5
9 Metropolis IL 82.3
10 Jonesboro IL 82
11 Anna IL 82
12 Murphysboro IL 81.9
13 De Soto IL 81.9
14 Shawneetown IL 81.2
15 Cairo IL 80.8
16 Venice IL 80.8
17 Maryville IL 80.1
18 Troy IL 80.1
19 Aviston IL 80.1
20 Germantown IL 80.1
21 Belleville IL 80.1
22 O'Fallon IL 80.1
23 Holiday Shores IL 80.1
24 Marine IL 80.1
25 Breese IL 80.1
26 Scott AFB IL 80.1
27 Edwardsville IL 80.1
28 Trenton IL 80.1
29 Swansea IL 80.1
30 New Baden IL 80.1
31 Albers IL 80.1
32 St. Jacob IL 80.1
33 Shiloh IL 80.1
34 Hamel IL 80.1
35 Lebanon IL 80.1
36 Glen Carbon IL 80.1
37 Highland IL 80.1
38 Mascoutah IL 80.1
39 Christopher IL 79
40 Zeigler IL 79
41 Royalton IL 79
42 Barry IL 78.7
43 Crainville IL 78.4
44 Carterville IL 78.4
45 Energy IL 78.4
46 Cobden IL 78.4
47 Cambria IL 78.4
48 Herrin IL 78.4
49 Carbondale IL 78.4
50 Vienna IL 78.3

West Frankfort, IL tops the list with a composite score of 83 out of 100, followed by Marion and Goreville. IL dominates the top 12 with 12 cities, reflecting strong performance across the weighted metrics for best climate.

Rankings combine 4 independent metrics: Temperature, Sunshine, Clean Air, Low Rain. Cities are weighted to reflect what matters most to best climate, and any city missing one or more metrics is excluded to avoid artificially inflated rankings.

Explore Other Best Cities Rankings

Cleanest Air Cities
Lowest pollution levels for healthy outdoor living.
Sunniest Cities
Most days of sunshine per year, with warm and dry climate.
Most Urban Cities
Densely populated city centers with the largest urban footprints.