Missouri · county areal climate 1951–2025
Johnson County, MO
A 55.6°F / 40.5" normal · 2025 ran +0.5°F vs normal.
2026 so far · through Jul 9: This area is running
+3.3°F (55.4°F) vs the 1996–2025 to-date normal — the
2nd warmest start of 76 years. Precipitation
118% of normal.
U.S. year-to-date → Normal (1996–2025)
55.6°F
annual mean · 40.5" precipitation
2025 vs Normal
+0.5°F
56.1°F · 35.9" (89% of normal)
Warmest Year
58.9°F
2012 · coldest 51.8°F (1979)
Wettest Year
59.7in
1961 · driest 23.5" (1956)
Hottest Day
111.3°F
Jul 14 · 1954
Coldest Day
-23.5°F
Dec 23 · 1989
Biggest Rain Day
5.84in
Sep 14 · 1998
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.