Iowa · county areal climate 1951–2025
Marshall County, IA
A 48.8°F / 34.8" normal · 2025 ran +1.1°F vs normal.
2026 so far · through Jul 10: This area is running
+2.7°F (47.6°F) vs the 1996–2025 to-date normal — the
6th warmest start of 76 years. Precipitation
118% of normal.
U.S. year-to-date → Normal (1996–2025)
48.8°F
annual mean · 34.8" precipitation
2025 vs Normal
+1.1°F
49.9°F · 37.4" (108% of normal)
Warmest Year
52.1°F
2012 · coldest 44.6°F (1951)
Wettest Year
55.4in
1993 · driest 17.7" (1988)
Hottest Day
103.0°F
Aug 16 · 1988
Coldest Day
-29.7°F
Feb 3 · 1996
Biggest Rain Day
3.52in
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.