Iowa · county areal climate 1951–2025
Dallas County, IA
A 50.0°F / 34.6" normal · 2025 ran +1.2°F vs normal.
2026 so far · through Jul 9: This area is running
+3.4°F (49.5°F) vs the 1996–2025 to-date normal — the
3rd warmest start of 76 years. Precipitation
105% of normal.
U.S. year-to-date → Normal (1996–2025)
50.0°F
annual mean · 34.6" precipitation
2025 vs Normal
+1.2°F
51.2°F · 38.5" (111% of normal)
Warmest Year
53.3°F
2012 · coldest 45.6°F (1951)
Wettest Year
50.4in
2010 · driest 19.5" (1988)
Hottest Day
104.1°F
Jul 31 · 1955
Coldest Day
-28.3°F
Feb 3 · 1996
Biggest Rain Day
4.45in
Jul 2 · 1958
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.