Iowa weather by month

Check out Iowa weather averages by month. Compare detailed monthly climate statistics including temperature, rainfall and sunshine figures.

  Jan Feb Mar Apr May Jun Jul Aug Sep Oct Nov Dec
Maximum daytime temperature °F
28°F maximum daytime temperature in January in Des Moines28
34°F maximum daytime temperature in February in Des Moines34
46°F maximum daytime temperature in March in Des Moines46
63°F maximum daytime temperature in April in Des Moines63
73°F maximum daytime temperature in May in Des Moines73
82°F maximum daytime temperature in June in Des Moines82
86°F maximum daytime temperature in July in Des Moines86
84°F maximum daytime temperature in August in Des Moines84
75°F maximum daytime temperature in September in Des Moines75
64°F maximum daytime temperature in October in Des Moines64
48°F maximum daytime temperature in November in Des Moines48
32°F maximum daytime temperature in December in Des Moines32
Hours of sunshine (daily)
Days with some rainfall
8 days with some rainfall in January in Des Moines8
7 days with some rainfall in February in Des Moines7
10 days with some rainfall in March in Des Moines10
11 days with some rainfall in April in Des Moines11
12 days with some rainfall in May in Des Moines12
10 days with some rainfall in June in Des Moines10
10 days with some rainfall in July in Des Moines10
9 days with some rainfall in August in Des Moines9
9 days with some rainfall in September in Des Moines9
8 days with some rainfall in October in Des Moines8
8 days with some rainfall in November in Des Moines8
9 days with some rainfall in December in Des Moines9

More about Iowa

Iowa by month

Jan Feb Mar Apr May Jun Jul Aug Sep Oct Nov Dec

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The climate guide for Iowa (Des Moines) shows long term monthly weather averages processed from data supplied by CRU (University of East Anglia), the Met Office & the Netherlands Meteorological Institute. Find out more about our data sources.

Top Iowa destinations

Below are average maximum temperatures at popular countries, regions and places in Iowa for next month - May. Select a destination to see the climate guide for all months of the year.

All Iowa destinations

Metric (°C)  |  Imperial (°F)

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Tropical storm risk: Iowa hurricane season

% of month affected by tropical storms
0
0
0
0
0
0
0
0
0
0
0
0
Jan
Feb
Mar
Apr
May
Jun
Jul
Aug
Sep
Oct
Nov
Dec

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More about the USA

Compare Iowa with the UK

Below the Iowa chart shows average maximum daytime temperature for Iowa, USA (Des Moines) and the UK (London).

Maximum daytime temperature (°F)

Iowa, USA (Des Moines)
UK (London)
45
34
45
46
50
63
55
73
63
82
68
86
72
84
72
75
66
64
59
48
50
32
46
Jan
Feb
Mar
Apr
May
Jun
Jul
Aug
Sep
Oct
Nov
Dec
28

Metric (°C)  |  Imperial (°F)

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