Iowa · county areal climate 1951–2025
Boone County, IA
A 49.1°F / 35.3" normal · 2025 ran +1.2°F vs normal.
2026 so far · through Jul 9: This area is running
+3.3°F (48.4°F) vs the 1996–2025 to-date normal — the
3rd warmest start of 76 years. Precipitation
113% of normal.
U.S. year-to-date → Normal (1996–2025)
49.1°F
annual mean · 35.3" precipitation
2025 vs Normal
+1.2°F
50.3°F · 41.3" (117% of normal)
Warmest Year
52.4°F
2012 · coldest 44.4°F (1951)
Wettest Year
51.0in
1993 · driest 20.6" (1988)
Hottest Day
104.1°F
Aug 16 · 1988
Coldest Day
-28.9°F
Feb 3 · 1996
Biggest Rain Day
4.25in
Jul 9 · 1993
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.