Iowa · county areal climate 1951–2025
Sioux County, IA
A 47.2°F / 28.9" normal · 2025 ran +1.4°F vs normal.
2026 so far · through Jul 10: This area is running
+3.2°F (46.6°F) vs the 1996–2025 to-date normal — the
4th warmest start of 76 years. Precipitation
71% of normal.
U.S. year-to-date → Normal (1996–2025)
47.2°F
annual mean · 28.9" precipitation
2025 vs Normal
+1.4°F
48.6°F · 29.6" (102% of normal)
Warmest Year
51.0°F
2012 · coldest 42.5°F (1951)
Wettest Year
46.2in
2018 · driest 14.6" (1958)
Hottest Day
104.6°F
Jun 22 · 1988
Coldest Day
-30.0°F
Jan 19 · 1970
Biggest Rain Day
4.3in
Jul 22 · 2010
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.