| 日期 | 天气 | 高/低 | 降水 |
|---|---|---|---|
| 2025-04-01 | 阴 | 5°/-4° | 0.0 mm |
| 2025-04-02 | 小雪 | 6°/-2° | 1.2 mm |
| 2025-04-03 | 中雪 | 3°/0° | 8.8 mm |
| 2025-04-04 | 中雪 | 4°/-2° | 1.0 mm |
| 2025-04-05 | 阴 | 8°/-3° | 0.0 mm |
| 2025-04-06 | 小毛毛雨 | 12°/-1° | 0.1 mm |
| 2025-04-07 | 小雨 | 9°/3° | 7.3 mm |
| 2025-04-08 | 毛毛雨 | 5°/3° | 3.3 mm |
| 2025-04-09 | 小毛毛雨 | 11°/3° | 0.3 mm |
| 2025-04-10 | 阴 | 14°/2° | 0.0 mm |
| 2025-04-11 | 阴 | 17°/4° | 0.0 mm |
| 2025-04-12 | 晴天 | 18°/5° | 0.0 mm |
| 2025-04-13 | 阴 | 14°/6° | 0.0 mm |
| 2025-04-14 | 中雨 | 9°/5° | 21.7 mm |
| 2025-04-15 | 大毛毛雨 | 10°/6° | 5.8 mm |
| 2025-04-16 | 小阵雪 | 6°/4° | 37.3 mm |
| 2025-04-17 | 小雪 | 10°/3° | 7.8 mm |
| 2025-04-18 | 小毛毛雨 | 16°/2° | 0.3 mm |
| 2025-04-19 | 中雨 | 9°/6° | 5.1 mm |
| 2025-04-20 | 中雨 | 14°/5° | 9.6 mm |
| 2025-04-21 | 毛毛雨 | 6°/0° | 2.8 mm |
| 2025-04-22 | 阴 | 12°/0° | 0.0 mm |
| 2025-04-23 | 小毛毛雨 | 13°/4° | 0.2 mm |
| 2025-04-24 | 阴 | 19°/4° | 0.0 mm |
| 2025-04-25 | 阵雨 | 11°/4° | 5.9 mm |
| 2025-04-26 | 小毛毛雨 | 10°/2° | 2.0 mm |
| 2025-04-27 | 小雨 | 6°/1° | 7.5 mm |
| 2025-04-28 | 毛毛雨 | 12°/0° | 1.2 mm |
| 2025-04-29 | 小雪 | 7°/2° | 12.8 mm |
| 2025-04-30 | 小毛毛雨 | 8°/1° | 0.2 mm |
2025年04月留萌市共记录 30 天，平均最高 10℃、最低 2℃，降水日 22 天。