countyscore

Best Weather & Climate Counties in Iowa

Average temperatures, precipitation, and extreme weather events Compare rankings across all 99 counties.

Average Weather & Climate Score
49/100
Top County
Clinton County
Counties Ranked
99

Top 10

#1
Clinton County
IA
54/100
#2
Humboldt County
IA
54/100
#3
Scott County
IA
53/100
#4
Mahaska County
IA
53/100
#5
Monroe County
IA
53/100
#6
Winneshiek County
IA
53/100
#7
Des Moines County
IA
53/100
#8
Fayette County
IA
52/100
#9
Lee County
IA
52/100
#10
Ringgold County
IA
52/100

All Iowa Counties Ranked

#CountyWeather & Climate ScoreOverall Score
1Clinton County, IA
54.2
38.7
2Humboldt County, IA
54
63.4
3Scott County, IA
53.4
37.2
4Mahaska County, IA
53.2
51.4
5Monroe County, IA
53.2
59.1
6Winneshiek County, IA
52.8
67.9
7Des Moines County, IA
52.7
34.7
8Fayette County, IA
52.3
57
9Lee County, IA
52.3
42.8
10Ringgold County, IA
52.3
60.8
11Wapello County, IA
52.3
33.1
12Davis County, IA
51.9
56
13Cedar County, IA
51.7
58
14Dubuque County, IA
51.7
45.4
15Wayne County, IA
51.7
62.9
16Appanoose County, IA
51.5
48.6
17Poweshiek County, IA
51.4
46.8
18Decatur County, IA
51.3
59.4
19Floyd County, IA
51
56.7
20Warren County, IA
51
51.7
21Black Hawk County, IA
50.9
40.7
22Jackson County, IA
50.9
55.6
23Clayton County, IA
50.8
59.9
24Delaware County, IA
50.8
60.2
25Linn County, IA
50.8
40.7
26Muscatine County, IA
50.8
41.3
27Boone County, IA
50.5
57.8
28Mitchell County, IA
50.5
66.2
29Allamakee County, IA
50.4
60.2
30Buena Vista County, IA
50.4
46.7
31Grundy County, IA
50.4
69.1
32Marshall County, IA
50.4
42
33Adams County, IA
50.3
61.1
34Keokuk County, IA
50.3
58.5
35Audubon County, IA
50.1
59.7
36Worth County, IA
50.1
70.4
37Story County, IA
50
46.9
38Buchanan County, IA
49.9
62.4
39Hancock County, IA
49.9
61.6
40Polk County, IA
49.8
36.6
41Tama County, IA
49.8
56.6
42Marion County, IA
49.7
59.2
43Benton County, IA
49.5
56
44Calhoun County, IA
49.5
65.9
45Howard County, IA
49.5
68.1
46Madison County, IA
49.5
58.6
47Jasper County, IA
49.4
54.1
48Louisa County, IA
49.4
61.3
49Shelby County, IA
49.4
66.5
50Bremer County, IA
49.3
58.6
51Butler County, IA
49.3
62.1
52Webster County, IA
49.3
41.6
53Jones County, IA
49.1
60.7
54Henry County, IA
49
52.5
55Crawford County, IA
48.9
55.3
56Fremont County, IA
48.8
58.7
57Franklin County, IA
48.7
65.5
58Adair County, IA
48.6
62.5
59Page County, IA
48.6
52.7
60Cerro Gordo County, IA
48.5
42.5
61Johnson County, IA
48.5
41.1
62Pottawattamie County, IA
48.5
36.1
63Chickasaw County, IA
48.4
66.7
64Lucas County, IA
48.4
55.8
65O'Brien County, IA
48.4
61.5
66Taylor County, IA
48.4
64.2
67Union County, IA
48.3
53.6
68Ida County, IA
48.2
71.2
69Iowa County, IA
48
56.6
70Washington County, IA
48
51.6
71Winnebago County, IA
48
68.8
72Hardin County, IA
47.9
48.1
73Montgomery County, IA
47.9
53.5
74Palo Alto County, IA
47.7
62.4
75Carroll County, IA
47.5
61.5
76Sac County, IA
47.5
63.9
77Dallas County, IA
47.4
42
78Hamilton County, IA
47.3
57.6
79Osceola County, IA
47.3
65.3
80Emmet County, IA
47
61.6
81Kossuth County, IA
46.9
66.6
82Cass County, IA
46.4
42.7
83Jefferson County, IA
46.4
48.4
84Guthrie County, IA
46.1
60.2
85Wright County, IA
46.1
59.7
86Clarke County, IA
45.9
43.7
87Greene County, IA
45.8
58.4
88Dickinson County, IA
45.4
59.1
89Monona County, IA
45.4
59.3
90Cherokee County, IA
45.1
66.8
91Plymouth County, IA
45.1
47.3
92Pocahontas County, IA
44.8
65.2
93Clay County, IA
44.1
59.7
94Van Buren County, IA
44
60.6
95Mills County, IA
43.7
46.7
96Harrison County, IA
43.6
58.5
97Woodbury County, IA
43.5
50.9
98Sioux County, IA
43.3
59.1
99Lyon County, IA
42.3
65.1

Data Source

Weather & Climate data from WeatherByCounty. See full details at WeatherByCounty. Data updated February 2026.