Iowa · county areal climate 1951–2025
Osceola County, IA
A 45.9°F / 29.7" normal · 2025 ran +1.3°F vs normal.
2026 so far · through Jul 10: This area is running
+2.9°F (44.8°F) vs the 1996–2025 to-date normal — the
6th warmest start of 76 years. Precipitation
82% of normal.
U.S. year-to-date → Normal (1996–2025)
45.9°F
annual mean · 29.7" precipitation
2025 vs Normal
+1.3°F
47.2°F · 28.2" (95% of normal)
Warmest Year
49.4°F
2012 · coldest 41.1°F (1951)
Wettest Year
49.3in
2018 · driest 15.7" (1958)
Hottest Day
101.8°F
Jun 22 · 1988
Coldest Day
-31.1°F
Jan 19 · 1970
Biggest Rain Day
4.63in
Jun 21 · 2018
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.