| 日期 | 天气 | 高/低 | 降水 |
|---|---|---|---|
| 2023-12-01 | 小毛毛雨 | 25°/20° | 2.6 mm |
| 2023-12-02 | 小雨 | 21°/19° | 20.1 mm |
| 2023-12-03 | 大毛毛雨 | 20°/17° | 3.3 mm |
| 2023-12-04 | 小毛毛雨 | 23°/16° | 0.0 mm |
| 2023-12-05 | 毛毛雨 | 24°/18° | 0.6 mm |
| 2023-12-06 | 毛毛雨 | 25°/19° | 0.9 mm |
| 2023-12-07 | 中雨 | 25°/20° | 3.5 mm |
| 2023-12-08 | 中雨 | 25°/21° | 14.8 mm |
| 2023-12-09 | 小雨 | 25°/21° | 8.0 mm |
| 2023-12-10 | 毛毛雨 | 25°/21° | 4.3 mm |
| 2023-12-11 | 小毛毛雨 | 24°/21° | 2.4 mm |
| 2023-12-12 | 阴 | 26°/19° | 0.3 mm |
| 2023-12-13 | 小雨 | 26°/20° | 5.5 mm |
| 2023-12-14 | 中雨 | 26°/21° | 10.0 mm |
| 2023-12-15 | 毛毛雨 | 26°/21° | 7.0 mm |
| 2023-12-16 | 小毛毛雨 | 24°/21° | 2.5 mm |
| 2023-12-17 | 小毛毛雨 | 25°/20° | 0.4 mm |
| 2023-12-18 | 毛毛雨 | 26°/21° | 6.4 mm |
| 2023-12-19 | 小雨 | 26°/21° | 18.0 mm |
| 2023-12-20 | 小雨 | 26°/22° | 16.7 mm |
| 2023-12-21 | 大毛毛雨 | 26°/22° | 10.4 mm |
| 2023-12-22 | 小毛毛雨 | 26°/21° | 0.1 mm |
| 2023-12-23 | 小毛毛雨 | 25°/21° | 1.8 mm |
| 2023-12-24 | 小毛毛雨 | 25°/21° | 1.3 mm |
| 2023-12-25 | 毛毛雨 | 22°/20° | 3.5 mm |
| 2023-12-26 | 阴 | 25°/19° | 0.0 mm |
| 2023-12-27 | 阴 | 26°/19° | 0.0 mm |
| 2023-12-28 | 小毛毛雨 | 26°/19° | 0.0 mm |
| 2023-12-29 | 毛毛雨 | 25°/20° | 3.1 mm |
| 2023-12-30 | 毛毛雨 | 24°/21° | 9.9 mm |
| 2023-12-31 | 大毛毛雨 | 25°/21° | 12.3 mm |
2023年12月圣路易共记录 31 天，平均最高 24℃、最低 20℃，降水日 29 天。