Iowa, Climate Division 9 May Average Temperature
Degrees Fahrenheit
189505
62.8
189605
67.7
189705
59.4
189805
61.0
189905
62.2
190005
64.3
190105
62.0
190205
65.5
190305
63.1
190405
60.9
190505
61.1
190605
63.0
190705
55.5
190805
61.5
190905
59.1
191005
56.7
191105
67.5
191205
64.9
191305
61.5
191405
63.8
191505
58.2
191605
60.9
191705
56.5
191805
66.2
191905
58.3
192005
60.2
192105
64.7
192205
65.0
192305
60.4
192405
55.8
192505
58.1
192605
65.1
192705
59.8
192805
63.2
192905
59.2
193005
62.1
193105
57.9
193205
63.4
193305
61.8
193405
68.7
193505
56.0
193605
67.2
193705
63.0
193805
61.4
193905
66.1
194005
58.9
194105
66.9
194205
61.3
194305
58.7
194405
65.5
194505
56.1
194605
57.3
194705
56.6
194805
59.9
194905
64.4
195005
62.3
195105
63.1
195205
60.8
195305
60.7
195405
57.0
195505
63.6
195605
64.7
195705
60.8
195805
62.6
195905
64.4
196005
59.8
196105
57.8
196205
68.6
196305
60.6
196405
67.3
196505
66.2
196605
57.4
196705
57.0
196805
57.9
196905
61.7
197005
65.0
197105
58.4
197205
62.5
197305
58.5
197405
59.9
197505
64.0
197605
58.4
197705
68.0
197805
60.3
197905
61.3
198005
63.1
198105
58.6
198205
65.0
198305
58.1
198405
58.2
198505
64.1
198605
62.6
198705
67.3
198805
65.6
198905
59.8
199005
57.7
199105
66.4
199205
61.1
199305
62.1
199405
60.8
199505
58.2
199605
58.7
199705
56.2
199805
66.1
199905
62.3
200005
64.4
200105
62.6
200205
58.3
200305
59.9
200405
63.8
200505
59.6
200605
61.9
200705
66.4
200805
59.0
200905
61.3
201005
61.5
201105
60.9
201205
66.9
201305
61.7
201405
62.0
201505
62.3
201605
60.7
201705
59.9
201805
69.1