| 日期 | 天气 | 高/低 | 降水 |
|---|---|---|---|
| 2023-12-01 | 中雨 | 12°/4° | 7.0 mm |
| 2023-12-02 | 中雨 | 15°/12° | 14.9 mm |
| 2023-12-03 | 中雨 | 17°/10° | 7.9 mm |
| 2023-12-04 | 雾 | 16°/3° | 0.0 mm |
| 2023-12-05 | 阴 | 12°/1° | 0.0 mm |
| 2023-12-06 | 阴 | 8°/0° | 0.0 mm |
| 2023-12-07 | 晴间多云 | 12°/-2° | 0.0 mm |
| 2023-12-08 | 阴 | 13°/2° | 0.0 mm |
| 2023-12-09 | 中雨 | 12°/7° | 15.6 mm |
| 2023-12-10 | 大雨 | 13°/3° | 36.7 mm |
| 2023-12-11 | 阴 | 8°/0° | 0.0 mm |
| 2023-12-12 | 晴天 | 11°/0° | 0.0 mm |
| 2023-12-13 | 阴 | 14°/0° | 0.0 mm |
| 2023-12-14 | 晴天 | 12°/2° | 0.0 mm |
| 2023-12-15 | 晴天 | 13°/0° | 0.0 mm |
| 2023-12-16 | 阴 | 10°/1° | 0.0 mm |
| 2023-12-17 | 阴 | 13°/7° | 0.0 mm |
| 2023-12-18 | 阴 | 10°/0° | 0.0 mm |
| 2023-12-19 | 晴天 | 5°/-2° | 0.0 mm |
| 2023-12-20 | 多云 | 10°/-3° | 0.0 mm |
| 2023-12-21 | 阴 | 14°/0° | 0.0 mm |
| 2023-12-22 | 阴 | 14°/3° | 0.0 mm |
| 2023-12-23 | 阴 | 15°/2° | 0.0 mm |
| 2023-12-24 | 阴 | 16°/5° | 0.0 mm |
| 2023-12-25 | 大雨 | 13°/11° | 41.2 mm |
| 2023-12-26 | 大雨 | 13°/12° | 67.9 mm |
| 2023-12-27 | 雾 | 15°/7° | 0.0 mm |
| 2023-12-28 | 雾 | 9°/2° | 0.0 mm |
| 2023-12-29 | 阴 | 4°/0° | 0.0 mm |
| 2023-12-30 | 阴 | 6°/0° | 0.0 mm |
| 2023-12-31 | 阴 | 11°/0° | 0.0 mm |
2023年12月海伦共记录 31 天，平均最高 11℃、最低 2℃，降水日 7 天。