Iowa · county areal climate 1951–2025
Des Moines County, IA
A 51.6°F / 37.5" normal · 2025 ran +0.8°F vs normal.
2026 so far · through Jul 9: This area is running
+2.6°F (50.3°F) vs the 1996–2025 to-date normal — the
6th warmest start of 76 years. Precipitation
100% of normal.
U.S. year-to-date → Normal (1996–2025)
51.6°F
annual mean · 37.5" precipitation
2025 vs Normal
+0.8°F
52.4°F · 31.9" (85% of normal)
Warmest Year
54.3°F
2012 · coldest 47.6°F (2014)
Wettest Year
54.0in
2009 · driest 21.8" (1956)
Hottest Day
103.6°F
Jul 24 · 2012
Coldest Day
-23.3°F
Jan 31 · 2019
Biggest Rain Day
3.52in
Sep 10 · 2014
Record
1951–2025
75 complete years · NOAA nClimGrid
—— normal temperature (°F) · ▮ normal precipitation (in) · 1996–2025
Areal
nClimGrid averages (NOAA/NCEI) over the whole area — an average across the region, not a single station. Separate from the
station records.