Iowa · county areal climate 1951–2025
Harrison County, IA
A 50.2°F / 31.9" normal · 2025 ran +1°F vs normal.
2026 so far · through Jul 9: This area is running
+3.1°F (49.4°F) vs the 1996–2025 to-date normal — the
4th warmest start of 76 years. Precipitation
73% of normal.
U.S. year-to-date → Normal (1996–2025)
50.2°F
annual mean · 31.9" precipitation
2025 vs Normal
+1°F
51.2°F · 34.7" (109% of normal)
Warmest Year
53.3°F
2012 · coldest 45.5°F (1951)
Wettest Year
43.7in
2015 · driest 19.4" (1988)
Hottest Day
104.0°F
Jul 13 · 1995
Coldest Day
-25.5°F
Feb 16 · 2021
Biggest Rain Day
4.71in
Aug 20 · 2018
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.