Missouri · county areal climate 1951–2025

St. Clair County, MO

A 42.8" / 56.8°F normal · 2025 ran 90% of normal precipitation.
2026 so far · through Jul 25: This area is at 123% (31.57") of the 1996–2025 to-date normal — the 9th wettest start of 76 years. Temperature +2.7°F vs normal. U.S. year-to-date →

Normal (1996–2025)

42.8in
annual precipitation · 56.8°F

2025 vs Normal

90%
38.4" · 57.4°F (+0.6 vs normal)

Wettest Year

62.2in
1951

Driest Year

23.5in
1980

Biggest Rain Day

4.67in
Oct 3 · 1986

Warmest Year

59.7°F
2012

Record

1951–2025
75 complete years · NOAA nClimGrid

Monthly Climate

32°
J
37°
F
47°
M
56°
A
66°
M
75°
J
79°
J
77°
A
70°
S
58°
O
47°
N
37°
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.

Nearby

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