Missouri · county areal climate 1951–2025
St. Louis County, MO
A 42.0" / 56.6°F normal · 2025 ran 90% of normal precipitation.
2026 so far · through Jul 25: This area is at
100% (25.54") of the 1996–2025 to-date normal — the
25th wettest start of 76 years. Temperature
+1.9°F vs normal.
U.S. year-to-date → Normal (1996–2025)
42.0in
annual precipitation · 56.6°F
2025 vs Normal
90%
37.8" · 57.3°F (+0.7 vs normal)
Biggest Rain Day
4.77in
Jun 15 · 1957
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.