Iowa · county areal climate 1951–2025
Linn County, IA
A 48.7°F / 36.5" normal · 2025 ran +1.2°F vs normal.
2026 so far · through Jul 9: This area is running
+2.5°F (47.2°F) vs the 1996–2025 to-date normal — the
6th warmest start of 76 years. Precipitation
122% of normal.
U.S. year-to-date → Normal (1996–2025)
48.7°F
annual mean · 36.5" precipitation
2025 vs Normal
+1.2°F
49.9°F · 33.1" (91% of normal)
Warmest Year
52.0°F
2012 · coldest 44.6°F (1951)
Wettest Year
57.0in
1993 · driest 21.1" (1988)
Hottest Day
103.9°F
Jul 26 · 2012
Coldest Day
-32.6°F
Jan 31 · 2019
Biggest Rain Day
4.15in
Sep 13 · 1961
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.