Iowa · county areal climate 1951–2025
Boone County, IA
A 35.3" / 49.1°F normal · 2025 ran 117% of normal precipitation.
2026 so far · through Jul 25: This area is at
108% (23.16") of the 1996–2025 to-date normal — the
20th wettest start of 76 years. Temperature
+3°F vs normal.
U.S. year-to-date → Normal (1996–2025)
35.3in
annual precipitation · 49.1°F
2025 vs Normal
117%
41.3" · 50.3°F (+1.2 vs normal)
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.