West Des Moines, IA Weather & Climate Normals
West Des Moines's real weather, in one number
West Des Moines, IA scores 37/100 on this site's reading of NOAA's own 30-year normals: weather-driven. Heat, cold, snow, or rainfall here are heavy enough that they shape daily life for a large part of the year. 4 of the year's 12 months average between 55 and 75°F, the range this site counts as mild.
West Des Moines's hottest and coldest months
West Des Moines's hottest month is Jul, averaging 75°F; its coldest is Jan, averaging 22°F, a 53.6°F swing across the year, one of the widest gaps in this dataset.
West Des Moines's weather across the year
| Month | Avg high | Avg low | Precip | Snow |
|---|---|---|---|---|
| Jan | 30°F | 13°F | 1.01in | 9.7in |
| Feb | 35°F | 17°F | 1.25in | 10.5in |
| Mar | 49°F | 29°F | 2.15in | 5in |
| Apr | 62°F | 40°F | 4in | 1.6in |
| May | 72°F | 52°F | 4.84in | 0.2in |
| Jun | 81°F | 62°F | 5.35in | 0in |
| Jul | 85°F | 66°F | 4.27in | 0in |
| Aug | 83°F | 64°F | 3.97in | 0in |
| Sep | 76°F | 55°F | 3.4in | 0in |
| Oct | 63°F | 43°F | 2.51in | 0.5in |
| Nov | 48°F | 30°F | 1.95in | 2.2in |
| Dec | 35°F | 19°F | 1.46in | 8.3in |
May, Jun, Aug, and Sep are the best time to see West Des Moines at its mildest; the rest of the year, plan around Jul's heat and Jan's cold.
Rain and snow in West Des Moines
West Des Moines averages 36.16in of precipitation a year across roughly 112 days with measurable rain or snow, and 38in of snow a year.
Where West Des Moines ranks
West Des Moines ranks 4749 of 4876 US cities in this dataset for comfort score, and 77 of 85 within IA. About 73,664 people live there.
If you need tomorrow's forecast, not the 30-year average
Everything above is a 30-year average from Des Moines Wsfo-Johnston, IA US, 13.2 miles from West Des Moines, not a prediction for any specific day.
More on how this is worked out
How the comfort score is calculated · Why some cities show no snow or rain figure