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Weather & Climate
West Des Moines, Iowa, United States
Overview
Climate data and monthly weather averages for West Des Moines.
Key Metrics
Annual Avg
10.1°C
Summer Avg
23.5°C
Winter Avg
-4.2°C
Record High
42.6°C
Record Low
-33.8°C
Annual Precipitation
883.9 mm
Avg Humidity
75%
Summer Humidity
71%
Winter Humidity
83%
Monthly Averages
| Month | High (°C) | Avg (°C) | Low (°C) | Rain (mm) | Humidity (%) | Sunshine (h) | Wind (kph) |
|---|---|---|---|---|---|---|---|
| Jan | 13.6° | -5.6° | -33.8° | 22.6 | 83% | 61 | 63.8 |
| Feb | 20.5° | -4.1° | -25.2° | 28.6 | 81% | 84 | 59.7 |
| Mar | 26.3° | 3.3° | -24.1° | 48.1 | 76% | 118 | 60.1 |
| Apr | 30.9° | 10.3° | -8.4° | 91.2 | 72% | 145 | 64.1 |
| May | 36° | 16.4° | -1.8° | 120 | 73% | 175 | 51 |
| Jun | 39.5° | 22.3° | 4.8° | 129.9 | 74% | 189 | 47.1 |
| Jul | 42.6° | 24.8° | 10.2° | 94.2 | 70% | 198 | 38 |
| Aug | 41° | 23.4° | 7.9° | 110 | 69% | 172 | 36.5 |
| Sep | 38.6° | 18.9° | 2.2° | 87.3 | 69% | 137 | 48.1 |
| Oct | 31.6° | 10.8° | -5.8° | 71.3 | 71% | 97 | 57.3 |
| Nov | 24.7° | 3.7° | -13.8° | 42.3 | 77% | 65 | 59.1 |
| Dec | 20.4° | -3° | -24.6° | 38.4 | 84% | 52 | 65.2 |
Frequently Asked Questions
Sources: NASA POWER · Last updated: 2025
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