| 日期 | 天气 | 高/低 | 降水 |
|---|---|---|---|
| 2025-04-01 | 小阵雪 | 3°/-1° | 7.0 mm |
| 2025-04-02 | 小雪 | 6°/1° | 1.2 mm |
| 2025-04-03 | 毛毛雨 | 6°/0° | 4.8 mm |
| 2025-04-04 | 小阵雪 | 5°/-1° | 0.8 mm |
| 2025-04-05 | 阴 | 9°/-2° | 0.0 mm |
| 2025-04-06 | 小阵雪 | 9°/2° | 7.3 mm |
| 2025-04-07 | 小毛毛雨 | 9°/0° | 0.7 mm |
| 2025-04-08 | 小阵雪 | 14°/0° | 8.2 mm |
| 2025-04-09 | 小毛毛雨 | 8°/0° | 0.1 mm |
| 2025-04-10 | 小雪 | 10°/2° | 21.8 mm |
| 2025-04-11 | 阵雨 | 11°/4° | 9.4 mm |
| 2025-04-12 | 阴 | 13°/1° | 0.0 mm |
| 2025-04-13 | 中阵雨 | 7°/4° | 27.5 mm |
| 2025-04-14 | 大毛毛雨 | 9°/3° | 7.1 mm |
| 2025-04-15 | 大阵雪 | 7°/-2° | 19.7 mm |
| 2025-04-16 | 小阵雪 | 7°/-3° | 0.6 mm |
| 2025-04-17 | 阴 | 18°/2° | 0.0 mm |
| 2025-04-18 | 毛毛雨 | 19°/8° | 3.2 mm |
| 2025-04-19 | 小毛毛雨 | 21°/9° | 0.1 mm |
| 2025-04-20 | 中阵雨 | 20°/8° | 8.1 mm |
| 2025-04-21 | 阴 | 14°/4° | 0.0 mm |
| 2025-04-22 | 阴 | 20°/7° | 0.0 mm |
| 2025-04-23 | 中雨 | 12°/9° | 17.8 mm |
| 2025-04-24 | 小毛毛雨 | 17°/9° | 0.2 mm |
| 2025-04-25 | 阴 | 19°/3° | 0.0 mm |
| 2025-04-26 | 晴天 | 13°/0° | 0.0 mm |
| 2025-04-27 | 阴 | 19°/1° | 0.0 mm |
| 2025-04-28 | 毛毛雨 | 16°/6° | 5.0 mm |
| 2025-04-29 | 毛毛雨 | 9°/0° | 1.5 mm |
| 2025-04-30 | 晴天 | 14°/0° | 0.0 mm |
2025年04月大町市共记录 30 天，平均最高 12℃、最低 2℃，降水日 21 天。