| 日期 | 天气 | 高/低 | 降水 |
|---|---|---|---|
| 2025-04-01 | 小毛毛雨 | 7°/0° | 1.1 mm |
| 2025-04-02 | 毛毛雨 | 8°/4° | 3.0 mm |
| 2025-04-03 | 中阵雨 | 6°/3° | 14.9 mm |
| 2025-04-04 | 小雨 | 4°/-1° | 10.5 mm |
| 2025-04-05 | 阴 | 11°/-2° | 0.0 mm |
| 2025-04-06 | 大毛毛雨 | 12°/4° | 7.9 mm |
| 2025-04-07 | 毛毛雨 | 9°/2° | 5.3 mm |
| 2025-04-08 | 毛毛雨 | 16°/2° | 1.1 mm |
| 2025-04-09 | 小毛毛雨 | 8°/2° | 0.5 mm |
| 2025-04-10 | 中雨 | 14°/4° | 10.0 mm |
| 2025-04-11 | 毛毛雨 | 12°/6° | 3.5 mm |
| 2025-04-12 | 阴 | 15°/3° | 0.0 mm |
| 2025-04-13 | 中雨 | 10°/4° | 13.9 mm |
| 2025-04-14 | 小雨 | 8°/2° | 3.9 mm |
| 2025-04-15 | 阵雨 | 9°/0° | 19.8 mm |
| 2025-04-16 | 毛毛雨 | 9°/0° | 1.7 mm |
| 2025-04-17 | 阴 | 20°/2° | 0.0 mm |
| 2025-04-18 | 毛毛雨 | 21°/9° | 2.8 mm |
| 2025-04-19 | 小毛毛雨 | 22°/11° | 0.9 mm |
| 2025-04-20 | 中阵雨 | 17°/8° | 13.6 mm |
| 2025-04-21 | 阴 | 15°/5° | 0.0 mm |
| 2025-04-22 | 阴 | 22°/7° | 0.0 mm |
| 2025-04-23 | 中雨 | 15°/12° | 11.0 mm |
| 2025-04-24 | 雾 | 15°/9° | 0.0 mm |
| 2025-04-25 | 小毛毛雨 | 17°/5° | 0.5 mm |
| 2025-04-26 | 小毛毛雨 | 12°/3° | 0.2 mm |
| 2025-04-27 | 阴 | 21°/3° | 0.0 mm |
| 2025-04-28 | 阵雨 | 17°/8° | 9.3 mm |
| 2025-04-29 | 阵雨 | 11°/2° | 4.5 mm |
| 2025-04-30 | 晴天 | 15°/2° | 0.0 mm |
2025年04月信浓町共记录 30 天，平均最高 13℃、最低 3℃，降水日 22 天。