| 日期 | 天气 | 高/低 | 降水 |
|---|---|---|---|
| 2023-12-01 | 阴 | -8°/-18° | 0.0 mm |
| 2023-12-02 | 阴 | -4°/-17° | 0.0 mm |
| 2023-12-03 | 阴 | -4°/-13° | 0.0 mm |
| 2023-12-04 | 阴 | -6°/-16° | 0.0 mm |
| 2023-12-05 | 小雪 | -3°/-14° | 0.0 mm |
| 2023-12-06 | 小毛毛雨 | 1°/-8° | 0.0 mm |
| 2023-12-07 | 中雪 | 0°/-6° | 0.2 mm |
| 2023-12-08 | 阴 | -3°/-11° | 0.0 mm |
| 2023-12-09 | 阴 | -8°/-16° | 0.0 mm |
| 2023-12-10 | 阴 | -9°/-19° | 0.0 mm |
| 2023-12-11 | 小雪 | -5°/-12° | 0.2 mm |
| 2023-12-12 | 阴 | -13°/-21° | 0.0 mm |
| 2023-12-13 | 阴 | 0°/-18° | 0.0 mm |
| 2023-12-14 | 阴 | 1°/-4° | 0.0 mm |
| 2023-12-15 | 阴 | -1°/-10° | 0.0 mm |
| 2023-12-16 | 中雪 | 1°/-7° | 0.4 mm |
| 2023-12-17 | 小雪 | -8°/-17° | 0.0 mm |
| 2023-12-18 | 阴 | -4°/-17° | 0.3 mm |
| 2023-12-19 | 阴 | -5°/-21° | 0.0 mm |
| 2023-12-20 | 小雪 | -7°/-21° | 0.5 mm |
| 2023-12-21 | 阴 | -4°/-12° | 0.0 mm |
| 2023-12-22 | 阴 | -2°/-12° | 0.0 mm |
| 2023-12-23 | 阴 | 1°/-4° | 0.0 mm |
| 2023-12-24 | 小雪 | -1°/-9° | 0.0 mm |
| 2023-12-25 | 晴间多云 | -4°/-12° | 0.0 mm |
| 2023-12-26 | 多云 | -3°/-12° | 0.0 mm |
| 2023-12-27 | 晴天 | 0°/-8° | 0.0 mm |
| 2023-12-28 | 多云 | 0°/-10° | 0.0 mm |
| 2023-12-29 | 中雪 | -5°/-12° | 0.0 mm |
| 2023-12-30 | 小雪 | -8°/-14° | 0.0 mm |
| 2023-12-31 | 阴 | -2°/-14° | 0.0 mm |
2023年12月第21分区共记录 31 天，平均最高 -3℃、最低 -13℃，降水日 11 天。