| 日期 | 天气 | 高/低 | 降水 |
|---|---|---|---|
| 2025-04-01 | 晴天 | 13°/3° | 0.0 mm |
| 2025-04-02 | 阴 | 16°/6° | 0.0 mm |
| 2025-04-03 | 多云 | 20°/8° | 0.0 mm |
| 2025-04-04 | 晴天 | 20°/9° | 0.0 mm |
| 2025-04-05 | 阴 | 14°/6° | 0.0 mm |
| 2025-04-06 | 晴间多云 | 12°/4° | 0.0 mm |
| 2025-04-07 | 阴 | 12°/3° | 0.0 mm |
| 2025-04-08 | 阴 | 14°/4° | 0.0 mm |
| 2025-04-09 | 阴 | 12°/4° | 0.0 mm |
| 2025-04-10 | 阴 | 12°/6° | 0.0 mm |
| 2025-04-11 | 阴 | 14°/6° | 0.0 mm |
| 2025-04-12 | 阴 | 22°/8° | 0.0 mm |
| 2025-04-13 | 毛毛雨 | 17°/10° | 1.8 mm |
| 2025-04-14 | 毛毛雨 | 16°/8° | 1.1 mm |
| 2025-04-15 | 毛毛雨 | 20°/10° | 1.4 mm |
| 2025-04-16 | 阴 | 12°/9° | 0.0 mm |
| 2025-04-17 | 小毛毛雨 | 12°/8° | 0.7 mm |
| 2025-04-18 | 阴 | 15°/7° | 0.0 mm |
| 2025-04-19 | 阴 | 14°/5° | 0.0 mm |
| 2025-04-20 | 阴 | 15°/4° | 0.0 mm |
| 2025-04-21 | 毛毛雨 | 12°/8° | 1.8 mm |
| 2025-04-22 | 小毛毛雨 | 14°/9° | 0.1 mm |
| 2025-04-23 | 大毛毛雨 | 15°/9° | 5.2 mm |
| 2025-04-24 | 毛毛雨 | 13°/8° | 4.7 mm |
| 2025-04-25 | 小毛毛雨 | 14°/8° | 0.1 mm |
| 2025-04-26 | 多云 | 18°/6° | 0.0 mm |
| 2025-04-27 | 晴天 | 19°/8° | 0.0 mm |
| 2025-04-28 | 阴 | 18°/9° | 0.0 mm |
| 2025-04-29 | 阴 | 21°/10° | 0.0 mm |
| 2025-04-30 | 阴 | 23°/10° | 0.0 mm |
2025年04月哈莱姆共记录 30 天，平均最高 15℃、最低 7℃，降水日 9 天。