Missouri · county areal climate 1951–2025

Washington County, MO

A 46.0" / 55.5°F normal · 2025 ran 94% of normal precipitation.
2026 so far · through Jul 25: This area is at 100% (27.92") of the 1996–2025 to-date normal — the 28th wettest start of 76 years. Temperature +2.6°F vs normal. U.S. year-to-date →

Normal (1996–2025)

46.0in
annual precipitation · 55.5°F

2025 vs Normal

94%
43.2" · 56.4°F (+0.9 vs normal)

Wettest Year

62.0in
1993

Driest Year

23.1in
1953

Biggest Rain Day

4.56in
Nov 5 · 2024

Warmest Year

58.6°F
2012

Record

1951–2025
75 complete years · NOAA nClimGrid

Monthly Climate

32°
J
36°
F
46°
M
56°
A
64°
M
73°
J
77°
J
75°
A
68°
S
57°
O
45°
N
36°
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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