| 日期 | 天气 | 高/低 | 降水 |
|---|---|---|---|
| 2023-12-01 | 晴天 | 24°/13° | 0.0 mm |
| 2023-12-02 | 晴天 | 24°/14° | 0.4 mm |
| 2023-12-03 | 晴天 | 24°/13° | 1.1 mm |
| 2023-12-04 | 晴天 | 23°/13° | 0.0 mm |
| 2023-12-05 | 晴天 | 23°/14° | 0.6 mm |
| 2023-12-06 | 晴天 | 23°/13° | 0.0 mm |
| 2023-12-07 | 晴天 | 22°/15° | 11.6 mm |
| 2023-12-08 | 晴天 | 15°/14° | 23.6 mm |
| 2023-12-09 | 晴天 | 19°/13° | 3.2 mm |
| 2023-12-10 | 晴天 | 19°/12° | 4.4 mm |
| 2023-12-11 | 晴天 | 21°/12° | 0.0 mm |
| 2023-12-12 | 晴天 | 21°/12° | 0.4 mm |
| 2023-12-13 | 晴天 | 22°/11° | 5.1 mm |
| 2023-12-14 | 晴天 | 18°/10° | 1.1 mm |
| 2023-12-15 | 晴天 | 20°/10° | 0.0 mm |
| 2023-12-16 | 晴天 | 20°/10° | 0.2 mm |
| 2023-12-17 | 晴天 | 20°/11° | 0.3 mm |
| 2023-12-18 | 晴天 | 20°/11° | 0.2 mm |
| 2023-12-19 | 晴天 | 21°/11° | 0.0 mm |
| 2023-12-20 | 晴天 | 21°/11° | 0.0 mm |
| 2023-12-21 | 晴天 | 21°/9° | 0.0 mm |
| 2023-12-22 | 晴天 | 21°/10° | 0.0 mm |
| 2023-12-23 | 晴天 | 21°/11° | 0.0 mm |
| 2023-12-24 | 晴天 | 22°/12° | 0.7 mm |
| 2023-12-25 | 晴天 | 21°/12° | 0.1 mm |
| 2023-12-26 | 晴天 | 21°/12° | 0.0 mm |
| 2023-12-27 | 晴天 | 21°/12° | 1.7 mm |
| 2023-12-28 | 晴天 | 21°/12° | 2.1 mm |
| 2023-12-29 | 晴天 | 21°/11° | 0.0 mm |
| 2023-12-30 | 晴天 | 21°/11° | 0.0 mm |
| 2023-12-31 | 晴天 | 21°/11° | 1.6 mm |
2023年12月蒙县共记录 31 天，平均最高 21℃、最低 11℃，降水日 18 天。