countyscore

Weather & Climate · Iowa

Best Weather Counties in Iowa 2026

Ranked by temperatures, precipitation, and extreme weather frequency.

Top 10 — Weather & Climate in Iowa

Score reflects weather & climate only — not overall county quality.

1Clinton County, IA
53.8
2Humboldt County, IA
53.7
3Scott County, IA
53
4Mahaska County, IA
52.8
5Monroe County, IA
52.8
6Winneshiek County, IA
52.5
7Des Moines County, IA
52.3
8Fayette County, IA
52.1
9Lee County, IA
52
10Ringgold County, IA
51.9

All Iowa Counties — Weather & Climate Rankings

99 counties ranked by weather & climate score. Overall Score shown for context.

#CountyWeather & Climate ScoreOverall Score
1Clinton County, IA
53.8
38.6
2Humboldt County, IA
53.7
63.4
3Scott County, IA
53
37.2
4Mahaska County, IA
52.8
51.4
5Monroe County, IA
52.8
59
6Winneshiek County, IA
52.5
67.8
7Des Moines County, IA
52.3
34.7
8Fayette County, IA
52.1
57
9Lee County, IA
52
42.8
10Ringgold County, IA
51.9
60.8
11Wapello County, IA
51.8
33.1
12Davis County, IA
51.5
56
13Dubuque County, IA
51.5
45.4
14Cedar County, IA
51.3
58
15Poweshiek County, IA
51.3
46.8
16Wayne County, IA
51.3
62.9
17Appanoose County, IA
51.1
48.6
18Decatur County, IA
50.9
59.4
19Floyd County, IA
50.9
56.7
20Clayton County, IA
50.7
59.9
21Delaware County, IA
50.7
60.2
22Warren County, IA
50.7
51.7
23Black Hawk County, IA
50.5
40.7
24Jackson County, IA
50.5
55.6
25Linn County, IA
50.5
40.6
26Muscatine County, IA
50.4
41.3
27Buena Vista County, IA
50.3
46.7
28Grundy County, IA
50.3
69.1
29Marshall County, IA
50.3
42
30Mitchell County, IA
50.3
66.2
31Allamakee County, IA
50.2
60.2
32Boone County, IA
50.2
57.7
33Audubon County, IA
50.1
59.7
34Adams County, IA
50
61.1
35Keokuk County, IA
50
58.5
36Worth County, IA
50
70.4
37Hancock County, IA
49.9
61.6
38Buchanan County, IA
49.8
62.4
39Story County, IA
49.7
46.9
40Tama County, IA
49.6
56.6
41Howard County, IA
49.5
68.1
42Polk County, IA
49.4
36.6
43Benton County, IA
49.3
56
44Calhoun County, IA
49.3
65.9
45Marion County, IA
49.3
59.2
46Webster County, IA
49.3
41.6
47Bremer County, IA
49.2
58.6
48Butler County, IA
49.2
62.1
49Madison County, IA
49.2
58.6
50Louisa County, IA
49.1
61.3
51Jasper County, IA
49
54.1
52Jones County, IA
49
60.7
53Shelby County, IA
49
66.5
54Crawford County, IA
48.7
55.3
55Henry County, IA
48.7
52.5
56Franklin County, IA
48.6
65.5
57Cerro Gordo County, IA
48.4
42.5
58Chickasaw County, IA
48.4
66.7
59Fremont County, IA
48.4
58.6
60O'Brien County, IA
48.4
61.5
61Adair County, IA
48.3
62.5
62Page County, IA
48.2
52.7
63Pottawattamie County, IA
48.2
36.1
64Johnson County, IA
48.1
41
65Ida County, IA
48
71.2
66Lucas County, IA
48
55.8
67Taylor County, IA
48
64.2
68Union County, IA
48
53.6
69Winnebago County, IA
48
68.8
70Hardin County, IA
47.8
48.1
71Iowa County, IA
47.6
56.6
72Washington County, IA
47.6
51.6
73Montgomery County, IA
47.5
53.5
74Palo Alto County, IA
47.5
62.4
75Sac County, IA
47.5
63.9
76Hamilton County, IA
47.3
57.6
77Osceola County, IA
47.3
65.3
78Carroll County, IA
47.1
61.5
79Dallas County, IA
47.1
42
80Emmet County, IA
47
61.6
81Kossuth County, IA
47
66.6
82Jefferson County, IA
46.1
48.4
83Cass County, IA
46
42.7
84Wright County, IA
45.9
59.7
85Guthrie County, IA
45.8
60.2
86Clarke County, IA
45.5
43.6
87Greene County, IA
45.5
58.4
88Dickinson County, IA
45.3
59.1
89Monona County, IA
45.2
59.3
90Cherokee County, IA
44.9
66.8
91Plymouth County, IA
44.9
47.3
92Pocahontas County, IA
44.7
65.2
93Clay County, IA
44
59.7
94Van Buren County, IA
43.4
60.5
95Harrison County, IA
43.3
58.5
96Sioux County, IA
43.2
59.1
97Mills County, IA
43.1
46.7
98Woodbury County, IA
43.1
50.9
99Lyon County, IA
42.2
65.1

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Best overall counties in IowaFull Weather & Climate data on WeatherByCounty