|
Typical St. Louis December Weather 1991–2020 |
||
|---|---|---|
| Average daily high | 44.5 °F | |
| Average daily low | 28.8 °F | |
| Average monthly precipitation | 2.5 inches | |
| Average monthly snow | 3.1 inches | |
| Daily chance of precipitation | 29.1% | |
| Daily chance of snow | 10.2% | |
|
St. Louis December Weather Records 1893–2024 |
||
|---|---|---|
| Highest temperature | 76 °F | December 3, 2021 |
| Lowest temperature | -16 °F | December 22, 1989 |
| Highest daily low | 63 °F | December 3, 2012 |
| Lowest daily high | -5 °F | December 24, 1983 |
| Hottest average high temperature | 57.9 °F | 2021 |
| Coldest average high temperature | 26.6 °F | 1983 |
| Most daily precipitation | 4.9 inches | December 26, 2015 |
| Most monthly precipitation | 11.7 inches | 2015 |
| Most daily snow | 12.0 inches | December 19, 1973 |
| Most monthly snow | 26.3 inches | 1973 |
| Day | Average (°F) | Record (°F) | ||
|---|---|---|---|---|
| High | Low | High | Low | |
| December 1 | 49.4 | 32.8 | 73 | 8 |
| December 2 | 49.0 | 32.6 | 75 | 6 |
| December 3 | 48.6 | 32.2 | 76 | 6 |
| December 4 | 48.2 | 31.9 | 74 | 9 |
| December 5 | 47.7 | 31.5 | 72 | 9 |
| December 6 | 47.4 | 31.2 | 72 | 3 |
| December 7 | 47.1 | 30.9 | 73 | 0 |
| December 8 | 46.8 | 30.7 | 74 | 2 |
| December 9 | 46.5 | 30.4 | 74 | -2 |
| December 10 | 46.0 | 30.1 | 70 | -4 |
| December 11 | 45.6 | 29.8 | 70 | 2 |
| December 12 | 45.3 | 29.6 | 72 | -5 |
| December 13 | 45.1 | 29.3 | 73 | 1 |
| December 14 | 44.8 | 29.0 | 70 | -2 |
| December 15 | 44.6 | 28.8 | 76 | -5 |
| December 16 | 44.4 | 28.7 | 71 | -8 |
| December 17 | 44.1 | 28.5 | 72 | 2 |
| December 18 | 43.8 | 28.1 | 69 | -4 |
| December 19 | 43.6 | 27.9 | 68 | -7 |
| December 20 | 43.4 | 27.7 | 71 | -10 |
| December 21 | 43.3 | 27.6 | 67 | -12 |
| December 22 | 43.1 | 27.4 | 66 | -16 |
| December 23 | 43.0 | 27.3 | 72 | -15 |
| December 24 | 42.8 | 27.1 | 73 | -12 |
| December 25 | 42.6 | 27.1 | 70 | -13 |
| December 26 | 42.5 | 27.0 | 70 | 0 |
| December 27 | 42.3 | 26.8 | 72 | -2 |
| December 28 | 42.3 | 26.7 | 75 | -8 |
| December 29 | 42.2 | 26.6 | 70 | -3 |
| December 30 | 42.0 | 26.3 | 72 | -4 |
| December 31 | 41.8 | 26.1 | 74 | -10 |