Weather in Des Moines: August
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Average day temperature: | 84.4°F |
Average night temperature: | 67.3°F | |
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Number of sunny days: | 18 days |
Day length: | 13.2 - 14.4 hours | |
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Number of rainy days: | 2 days |
Precipitation totals: | 0.8 in. | |
more information |
14 days
forecast
forecast
Des Moines |
weather in
September
September
Des Moines |
Air temperature in August, °F
Show year:
2024
2023
2022
1
3
5
7
9
11
13
15
17
19
21
23
25
27
29
31
0
17
34
51
68
85
102
119
136
Day temperature | Night temperature |
The highest day temperature during August of 2024 was 101°F. At the same time the lowest night temperature was 50°F. Daily and nightly averages during August were 80.6°F and 63.1°F.
Sunny, partly cloudy and cloudy days
Sunny days | |
Partly cloudy days | |
Cloudy days |
58%
23%
19%
Mostly all days in August are sunny but cloudy days are also possible.
Precipitation total in August, in.
jan
feb
mar
apr
may
jun
jul
aug
sep
oct
nov
dec
0.0
0.3
0.7
1.0
1.4
1.7
2.1
2.4
2.7
1.0
1.4
1.5
2.0
1.1
1.0
1.4
1.5
2.0
1.1
Precipitation total value in Des Moines in August is 0.8 in. Other months of the year show relatively similar values.
Wind speed in August, mph
jan
feb
mar
apr
may
jun
jul
aug
sep
oct
nov
dec
0.0
2.0
4.0
6.1
8.1
10.1
12.1
14.1
9.7
10.2
10.2
9.3
7.2
8.9
9.6
11.8
11.4
9.9
9.5
9.7
10.2
10.2
9.3
8.4
7.2
8.9
9.6
11.8
11.4
9.9
9.5
The average wind speed value in August is 8.4 mph It makes August one of the least windy months of the year.
Average sunny hours
jan
feb
mar
apr
may
jun
jul
aug
sep
oct
nov
dec
0.0
1.6
3.3
4.9
6.6
8.2
9.9
11.5
4.6
5.7
7.8
9.5
9.6
9.4
7.3
6.9
5.9
5.7
4.3
4.6
5.7
7.8
9.5
9.6
9.6
9.4
7.3
6.9
5.9
5.7
4.3
This chart shows average number of hours during the day when sunlight can reach the ground. It depends on day length and cloudiness during the day. The average number of sunny hours in August is: 9.6.
Best time for vacation in Des Moines
Des Moines on a weather map
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Places in USA:
Name
°F
24 Hours Forecast
Des Moines
Local time: 07:53
April 14, monday
0900

50°F
SE
20 mph
20 mph
1200

55°F
SE
22 mph
22 mph
1500

59°F
SE
19 mph
19 mph
1800

59°F
SE
19 mph
19 mph
2100

52°F
SE
16 mph
16 mph
April 15, tuesday
0000

46°F
SE
19 mph
19 mph
0300

43°F
SE
17 mph
17 mph
0600

41°F
SE
15 mph
15 mph