| 日期 | 天气 | 高/低 | 降水 |
|---|---|---|---|
| 2025-04-01 | 大雪 | 0°/-3° | 16.2 mm |
| 2025-04-02 | 大雪 | 0°/0° | 13.5 mm |
| 2025-04-03 | 小雪 | 4°/0° | 0.4 mm |
| 2025-04-04 | 中雪 | 1°/-3° | 6.1 mm |
| 2025-04-05 | 阴 | 4°/-8° | 0.0 mm |
| 2025-04-06 | 阴 | 8°/-2° | 0.0 mm |
| 2025-04-07 | 多云 | 1°/-7° | 0.0 mm |
| 2025-04-08 | 阴 | 9°/-4° | 0.0 mm |
| 2025-04-09 | 阴 | 17°/2° | 0.0 mm |
| 2025-04-10 | 阴 | 12°/3° | 0.0 mm |
| 2025-04-11 | 雾 | 19°/0° | 0.0 mm |
| 2025-04-12 | 阴 | 17°/7° | 0.0 mm |
| 2025-04-13 | 阴 | 15°/6° | 0.0 mm |
| 2025-04-14 | 阴 | 8°/2° | 0.0 mm |
| 2025-04-15 | 阴 | 12°/-1° | 0.0 mm |
| 2025-04-16 | 阴 | 18°/1° | 0.0 mm |
| 2025-04-17 | 小毛毛雨 | 10°/4° | 0.4 mm |
| 2025-04-18 | 阴 | 8°/0° | 0.0 mm |
| 2025-04-19 | 晴间多云 | 12°/-3° | 0.0 mm |
| 2025-04-20 | 晴间多云 | 18°/0° | 0.0 mm |
| 2025-04-21 | 阴 | 19°/2° | 0.0 mm |
| 2025-04-22 | 小毛毛雨 | 17°/8° | 0.8 mm |
| 2025-04-23 | 阴 | 13°/2° | 0.0 mm |
| 2025-04-24 | 毛毛雨 | 12°/1° | 1.1 mm |
| 2025-04-25 | 阴 | 17°/2° | 0.0 mm |
| 2025-04-26 | 阴 | 15°/2° | 0.0 mm |
| 2025-04-27 | 阴 | 16°/9° | 0.0 mm |
| 2025-04-28 | 大雨 | 13°/2° | 44.7 mm |
| 2025-04-29 | 多云 | 12°/-1° | 0.0 mm |
| 2025-04-30 | 阴 | 20°/5° | 0.0 mm |
2025年04月兰瑟姆共记录 30 天，平均最高 11℃、最低 0℃，降水日 8 天。