Missouri · county areal climate 1951–2025

Johnson County, MO

A 40.5" / 55.6°F normal · 2025 ran 89% of normal precipitation.
2026 so far · through Jul 25: This area is at 114% (27.85") of the 1996–2025 to-date normal — the 21st wettest start of 76 years. Temperature +3°F vs normal. U.S. year-to-date →

Normal (1996–2025)

40.5in
annual precipitation · 55.6°F

2025 vs Normal

89%
35.9" · 56.1°F (+0.5 vs normal)

Wettest Year

59.7in
1961

Driest Year

23.5in
1956

Biggest Rain Day

5.84in
Sep 14 · 1998

Warmest Year

58.9°F
2012

Record

1951–2025
75 complete years · NOAA nClimGrid

Monthly Climate

30°
J
35°
F
45°
M
55°
A
65°
M
74°
J
78°
J
76°
A
69°
S
57°
O
45°
N
35°
D
—— 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.

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