| 日期 | 天气 | 高/低 | 降水 |
|---|---|---|---|
| 2026-04-01 | 阴 | 10°/0° | 0.0 mm |
| 2026-04-02 | 阴 | 8°/0° | 0.0 mm |
| 2026-04-03 | 阴 | 7°/-1° | 0.0 mm |
| 2026-04-04 | 阴 | 12°/0° | 0.0 mm |
| 2026-04-05 | 毛毛雨 | 8°/0° | 2.0 mm |
| 2026-04-06 | 小毛毛雨 | 10°/0° | 0.1 mm |
| 2026-04-07 | 小阵雪 | 6°/0° | 21.3 mm |
| 2026-04-08 | 小阵雪 | 6°/0° | 1.8 mm |
| 2026-04-09 | 阴 | 12°/3° | 0.0 mm |
| 2026-04-10 | 小雨 | 13°/2° | 6.4 mm |
| 2026-04-11 | 小阵雪 | 7°/0° | 3.9 mm |
| 2026-04-12 | 小阵雪 | 5°/0° | 6.9 mm |
| 2026-04-13 | 小阵雪 | 6°/2° | 5.0 mm |
| 2026-04-14 | 阴 | 7°/0° | 0.0 mm |
| 2026-04-15 | 阴 | 11°/0° | 0.0 mm |
| 2026-04-16 | 阴 | 12°/0° | 0.0 mm |
| 2026-04-17 | 阴 | 14°/2° | 0.0 mm |
| 2026-04-18 | 毛毛雨 | 13°/5° | 3.6 mm |
| 2026-04-19 | 小毛毛雨 | 8°/3° | 0.8 mm |
| 2026-04-20 | 阴 | 14°/3° | 0.0 mm |
| 2026-04-21 | 中雨 | 8°/4° | 12.9 mm |
| 2026-04-22 | 毛毛雨 | 8°/2° | 5.1 mm |
| 2026-04-23 | 小毛毛雨 | 7°/0° | 0.3 mm |
| 2026-04-24 | 小阵雪 | 5°/0° | 2.2 mm |
| 2026-04-25 | 阴 | 9°/-1° | 0.0 mm |
| 2026-04-26 | 阴 | 18°/1° | 0.0 mm |
| 2026-04-27 | 阴 | 16°/6° | 0.0 mm |
| 2026-04-28 | 小阵雪 | 5°/3° | 0.8 mm |
| 2026-04-29 | 小毛毛雨 | 9°/0° | 1.2 mm |
| 2026-04-30 | 阴 | 12°/2° | 0.0 mm |
2026年04月留萌郡共记录 30 天，平均最高 9℃、最低 1℃，降水日 16 天。