Climate in Des Moines
The typical year in Des Moines (Iowa), from 1991-2020 normals. For what's happening now, see the current forecast; a month ahead — the 30-day outlook.
Annual mean temp
11.4°C
average across 12 months
Annual precipitation
944 mm
yearly total
Warmest month
Jul
⌀ max 29°C
Coldest month
Jan
⌀ min -9°C
Temperatures by month
typical high (orange) · typical low (blue)
Precipitation by month
monthly totals across the year
The short version
RegionIowa
RegionIowa
Latitude41.6005°N
Annual mean11.4°C
Annual precipitation944 mm
Source · 1991-2020 normals