| 日期 | 天气 | 高/低 | 降水 |
|---|---|---|---|
| 2023-12-01 | 大毛毛雨 | 9°/0° | 3.6 mm |
| 2023-12-02 | 小雨 | 12°/8° | 2.6 mm |
| 2023-12-03 | 小雨 | 12°/4° | 10.2 mm |
| 2023-12-04 | 阴 | 6°/0° | 0.0 mm |
| 2023-12-05 | 小雪 | 3°/0° | 0.0 mm |
| 2023-12-06 | 小雪 | 0°/-2° | 0.0 mm |
| 2023-12-07 | 阴 | 6°/-2° | 0.0 mm |
| 2023-12-08 | 阴 | 13°/2° | 0.0 mm |
| 2023-12-09 | 阴 | 10°/2° | 0.0 mm |
| 2023-12-10 | 中雪 | 11°/-1° | 23.1 mm |
| 2023-12-11 | 大雪 | -2°/-4° | 2.5 mm |
| 2023-12-12 | 晴天 | 4°/-7° | 0.0 mm |
| 2023-12-13 | 阴 | 4°/-3° | 0.0 mm |
| 2023-12-14 | 晴间多云 | 6°/-5° | 0.0 mm |
| 2023-12-15 | 晴天 | 11°/-1° | 0.0 mm |
| 2023-12-16 | 阴 | 9°/0° | 0.0 mm |
| 2023-12-17 | 中雨 | 6°/2° | 6.5 mm |
| 2023-12-18 | 中雪 | 5°/-4° | 0.4 mm |
| 2023-12-19 | 中雪 | -4°/-8° | 0.0 mm |
| 2023-12-20 | 晴天 | 8°/-7° | 0.0 mm |
| 2023-12-21 | 阴 | 9°/0° | 0.0 mm |
| 2023-12-22 | 阴 | 9°/0° | 0.0 mm |
| 2023-12-23 | 阴 | 9°/0° | 0.0 mm |
| 2023-12-24 | 阴 | 11°/3° | 0.0 mm |
| 2023-12-25 | 毛毛雨 | 9°/2° | 0.4 mm |
| 2023-12-26 | 小雨 | 8°/4° | 5.8 mm |
| 2023-12-27 | 中雨 | 9°/6° | 5.4 mm |
| 2023-12-28 | 阴 | 7°/1° | 0.0 mm |
| 2023-12-29 | 小毛毛雨 | 2°/-1° | 0.0 mm |
| 2023-12-30 | 小雪 | 0°/-2° | 0.0 mm |
| 2023-12-31 | 小雪 | 3°/-2° | 0.0 mm |
2023年12月海兰共记录 31 天，平均最高 6℃、最低 0℃，降水日 16 天。