Weather in Des Moines in August
In an average August, Des Moines sees a daily high around 83°F and a low around 65°F, based on 1980–2026 of local climate records.
| Average high | 83°F |
|---|---|
| Typical high range | 76°F to 91°F |
| Average low | 65°F |
| Typical low range | 56°F to 73°F |
| Average daily precipitation | 0.10 in |
August records
The most extreme August on record for each metric, across 1980–2026. For rainfall, the wettest and driest are by total August accumulation.
High
Highest
102°F
1983-08-18
Lowest
61°F
1987-08-26
Low
Highest
82°F
1983-08-17
Lowest
41°F
1986-08-28
Feels-like
Highest
150°F
2023-08-23
Lowest
34°F
1986-08-28
Humidity
Highest
25.6 g/m³
2023-08-23
Lowest
7.3 g/m³
1986-08-28
Wind
Highest
21 mph
2018-08-27
Lowest
4 mph
2014-08-01
Gust
Highest
45 mph
1985-08-12
Lowest
9 mph
2021-08-03
Precip
Wettest
9.14 in
2009
Driest
0.84 in
1984
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