Iowa · county areal climate 1951–2025
Monona County, IA
A 49.5°F / 29.9" normal · 2025 ran +1.1°F vs normal.
2026 so far · through Jul 9: This area is running
+3.1°F (48.7°F) vs the 1996–2025 to-date normal — the
5th warmest start of 76 years. Precipitation
72% of normal.
U.S. year-to-date → Normal (1996–2025)
49.5°F
annual mean · 29.9" precipitation
2025 vs Normal
+1.1°F
50.6°F · 32.9" (110% of normal)
Warmest Year
52.7°F
2012 · coldest 44.7°F (1951)
Wettest Year
41.8in
1993 · driest 14.8" (1976)
Hottest Day
104.1°F
Jul 31 · 1955
Coldest Day
-26.5°F
Feb 16 · 2021
Biggest Rain Day
6.27in
Jul 17 · 1996
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.