Des Moines weather by month

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

Temperature in Des Moines (°C)

  Jan Feb Mar Apr May Jun Jul Aug Sep Oct Nov Dec
Max temperature (daytime)
-2°C maximum daytime temperature in January in Des Moines-2
1°C maximum daytime temperature in February in Des Moines1
8°C maximum daytime temperature in March in Des Moines8
17°C maximum daytime temperature in April in Des Moines17
23°C maximum daytime temperature in May in Des Moines23
28°C maximum daytime temperature in June in Des Moines28
30°C maximum daytime temperature in July in Des Moines30
29°C maximum daytime temperature in August in Des Moines29
24°C maximum daytime temperature in September in Des Moines24
18°C maximum daytime temperature in October in Des Moines18
9°C maximum daytime temperature in November in Des Moines9
0°C maximum daytime temperature in December in Des Moines0
Min temperature (night-time)
-12°C minimum night-time temperature in January in Des Moines-12
-9°C minimum night-time temperature in February in Des Moines-9
-3°C minimum night-time temperature in March in Des Moines-3
4°C minimum night-time temperature in April in Des Moines4
10°C minimum night-time temperature in May in Des Moines10
16°C minimum night-time temperature in June in Des Moines16
19°C minimum night-time temperature in July in Des Moines19
17°C minimum night-time temperature in August in Des Moines17
12°C minimum night-time temperature in September in Des Moines12
5°C minimum night-time temperature in October in Des Moines5
-2°C minimum night-time temperature in November in Des Moines-2
-9°C minimum night-time temperature in December in Des Moines-9
Heat & Humidity
No heat & humidity in January in Des Moines0
No heat & humidity in February in Des Moines0
No heat & humidity in March in Des Moines0
No heat & humidity in April in Des Moines0
No heat & humidity in May in Des Moines0
Low heat & humidity in June in Des MoinesL
High heat & humidity in July in Des MoinesH
Moderate heat & humidity in August in Des MoinesM
No heat & humidity in September in Des Moines0
No heat & humidity in October in Des Moines0
No heat & humidity in November in Des Moines0
No heat & humidity in December in Des Moines0

Note: 0 = None, L = Low, M = Moderate, H = High, VH = Very high, E = Extreme

Sunshine & Daylight in Des Moines

  Jan Feb Mar Apr May Jun Jul Aug Sep Oct Nov Dec
Daily hours of sunshine
Daily hours of daylight
10 hours of daylight per day in January in Des Moines10
11 hours of daylight per day in February in Des Moines11
12 hours of daylight per day in March in Des Moines12
13 hours of daylight per day in April in Des Moines13
15 hours of daylight per day in May in Des Moines15
15 hours of daylight per day in June in Des Moines15
15 hours of daylight per day in July in Des Moines15
14 hours of daylight per day in August in Des Moines14
12 hours of daylight per day in September in Des Moines12
11 hours of daylight per day in October in Des Moines11
10 hours of daylight per day in November in Des Moines10
9 hours of daylight per day in December in Des Moines9
UV Index (Maximum)
UV (maximum) index 1 (Low) in January in Des Moines1
UV (maximum) index 2 (Low) in February in Des Moines2
UV (maximum) index 4 (Moderate) in March in Des Moines4
UV (maximum) index 6 (High) in April in Des Moines6
UV (maximum) index 8 (Very High) in May in Des Moines8
UV (maximum) index 9 (Very High) in June in Des Moines9
UV (maximum) index 9 (Very High) in July in Des Moines9
UV (maximum) index 8 (Very High) in August in Des Moines8
UV (maximum) index 6 (High) in September in Des Moines6
UV (maximum) index 4 (Moderate) in October in Des Moines4
UV (maximum) index 2 (Low) in November in Des Moines2
UV (maximum) index 1 (Low) in December in Des Moines1

Rainfall in Des Moines

  Jan Feb Mar Apr May Jun Jul Aug Sep Oct Nov Dec
Number of days with some rain
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
Average monthly rainfall (mm)
24 mm monthly rainfall in January in Des Moines24
28 mm monthly rainfall in February in Des Moines28
58 mm monthly rainfall in March in Des Moines58
87 mm monthly rainfall in April in Des Moines87
98 mm monthly rainfall in May in Des Moines98
115 mm monthly rainfall in June in Des Moines115
100 mm monthly rainfall in July in Des Moines100
105 mm monthly rainfall in August in Des Moines105
91 mm monthly rainfall in September in Des Moines91
66 mm monthly rainfall in October in Des Moines66
46 mm monthly rainfall in November in Des Moines46
33 mm monthly rainfall in December in Des Moines33

More about Des Moines

Des Moines 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.

What's the climate like in Des Moines?

Des Moines has a cold climate with hot summers and some rainfall in all months.

Metric (°C / mm)  |  Imperial (°F / inches)

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Tropical storm risk: Des Moines, 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 Des Moines with the USA

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

Maximum daytime temperature (°C)

Des Moines, Iowa, USA
USA (Washington)
5
1
7
8
13
17
19
23
24
28
29
30
31
29
30
24
26
18
20
9
14
0
8
Jan
Feb
Mar
Apr
May
Jun
Jul
Aug
Sep
Oct
Nov
Dec
-2

Metric (°C / mm)  |  Imperial (°F / inches)

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