Weather in St. Louis in December
In an average December, St. Louis sees a daily high around 44°F and a low around 30°F, based on 1980–2026 of local climate records.
| Average high | 44°F |
|---|---|
| Typical high range | 30°F to 58°F |
| Average low | 30°F |
| Typical low range | 15°F to 43°F |
| Average daily precipitation | 0.10 in |
December records
The most extreme December on record for each metric, across 1980–2026. For rainfall, the wettest and driest are by total December accumulation.
High
Highest
73°F
2021-12-03
Lowest
-1°F
1989-12-22
Low
Highest
64°F
1982-12-02
Lowest
-15°F
1989-12-22
Feels-like
Highest
72°F
1982-12-02
Lowest
-36°F
1989-12-22
Humidity
Highest
14.8 g/m³
1982-12-02
Lowest
0.6 g/m³
1983-12-24
Wind
Highest
26 mph
2012-12-20
Lowest
3 mph
1986-12-27
Gust
Highest
58 mph
2008-12-27
Lowest
8 mph
1986-12-27
Precip
Wettest
8.18 in
1982
Driest
0.79 in
2025
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