| 日期 | 天气 | 高/低 | 降水 |
|---|---|---|---|
| 2025-01-01 | 阴 | 2°/-4° | 0.0 mm |
| 2025-01-02 | 阴 | -2°/-4° | 0.0 mm |
| 2025-01-03 | 中雪 | -2°/-10° | 0.8 mm |
| 2025-01-04 | 雾 | -8°/-12° | 0.0 mm |
| 2025-01-05 | 中雪 | -3°/-13° | 2.2 mm |
| 2025-01-06 | 大雪 | -2°/-10° | 16.3 mm |
| 2025-01-07 | 阴 | -8°/-13° | 0.0 mm |
| 2025-01-08 | 雾 | -8°/-15° | 0.0 mm |
| 2025-01-09 | 雾 | -8°/-13° | 0.0 mm |
| 2025-01-10 | 中雪 | -4°/-12° | 2.5 mm |
| 2025-01-11 | 中雪 | -5°/-10° | 1.5 mm |
| 2025-01-12 | 雾 | -2°/-10° | 0.0 mm |
| 2025-01-13 | 雾 | -1°/-7° | 0.0 mm |
| 2025-01-14 | 小毛毛雨 | -5°/-12° | 0.1 mm |
| 2025-01-15 | 雾 | -7°/-17° | 0.0 mm |
| 2025-01-16 | 中雪 | -1°/-13° | 0.4 mm |
| 2025-01-17 | 雾 | 0°/-7° | 0.0 mm |
| 2025-01-18 | 中雪 | 2°/-2° | 0.7 mm |
| 2025-01-19 | 大雪 | 1°/-11° | 7.2 mm |
| 2025-01-20 | 阴 | -11°/-17° | 0.0 mm |
| 2025-01-21 | 阴 | -10°/-18° | 0.0 mm |
| 2025-01-22 | 雾 | -9°/-20° | 0.0 mm |
| 2025-01-23 | 雾 | -4°/-14° | 0.0 mm |
| 2025-01-24 | 阴 | -4°/-10° | 0.0 mm |
| 2025-01-25 | 雾 | -1°/-12° | 0.0 mm |
| 2025-01-26 | 阴 | 1°/-3° | 0.0 mm |
| 2025-01-27 | 阴 | 0°/-5° | 0.0 mm |
| 2025-01-28 | 雾 | 4°/-4° | 0.0 mm |
| 2025-01-29 | 阴 | 5°/0° | 0.0 mm |
| 2025-01-30 | 小毛毛雨 | 7°/-3° | 0.8 mm |
| 2025-01-31 | 大雨 | 8°/2° | 25.5 mm |
2025年01月海兰共记录 31 天，平均最高 -2℃、最低 -9℃，降水日 11 天。