| 日期 | 天气 | 高/低 | 降水 |
|---|---|---|---|
| 2025-04-01 | 雾 | 10°/0° | 0.0 mm |
| 2025-04-02 | 小毛毛雨 | 9°/0° | 0.8 mm |
| 2025-04-03 | 大毛毛雨 | 19°/9° | 1.9 mm |
| 2025-04-04 | 大雨 | 17°/13° | 9.4 mm |
| 2025-04-05 | 雾 | 23°/12° | 0.0 mm |
| 2025-04-06 | 阴 | 17°/12° | 0.0 mm |
| 2025-04-07 | 中雨 | 12°/2° | 10.9 mm |
| 2025-04-08 | 阴 | 2°/-3° | 0.0 mm |
| 2025-04-09 | 晴天 | 10°/-5° | 0.0 mm |
| 2025-04-10 | 大毛毛雨 | 6°/2° | 3.0 mm |
| 2025-04-11 | 大毛毛雨 | 7°/1° | 1.1 mm |
| 2025-04-12 | 雾 | 3°/0° | 0.0 mm |
| 2025-04-13 | 阴 | 11°/0° | 0.0 mm |
| 2025-04-14 | 毛毛雨 | 22°/6° | 1.5 mm |
| 2025-04-15 | 毛毛雨 | 12°/1° | 0.7 mm |
| 2025-04-16 | 中雪 | 8°/0° | 0.4 mm |
| 2025-04-17 | 阴 | 15°/-2° | 0.0 mm |
| 2025-04-18 | 阴 | 22°/7° | 0.0 mm |
| 2025-04-19 | 阴 | 24°/15° | 0.0 mm |
| 2025-04-20 | 阴 | 24°/14° | 0.0 mm |
| 2025-04-21 | 小毛毛雨 | 22°/14° | 0.4 mm |
| 2025-04-22 | 阴 | 18°/10° | 0.0 mm |
| 2025-04-23 | 阴 | 20°/6° | 0.0 mm |
| 2025-04-24 | 阴 | 21°/8° | 0.0 mm |
| 2025-04-25 | 中雨 | 17°/10° | 13.3 mm |
| 2025-04-26 | 大毛毛雨 | 15°/4° | 1.1 mm |
| 2025-04-27 | 阴 | 14°/0° | 0.0 mm |
| 2025-04-28 | 晴天 | 19°/3° | 0.0 mm |
| 2025-04-29 | 阴 | 24°/10° | 0.0 mm |
| 2025-04-30 | 大雨 | 22°/13° | 18.7 mm |
2025年04月海兰共记录 30 天，平均最高 15℃、最低 5℃，降水日 13 天。