| 日期 | 天气 | 高/低 | 降水 |
|---|---|---|---|
| 2026-04-01 | 中雨 | 12°/10° | 12.0 mm |
| 2026-04-02 | 中阵雨 | 10°/7° | 34.8 mm |
| 2026-04-03 | 阴 | 16°/6° | 0.0 mm |
| 2026-04-04 | 小雨 | 16°/12° | 10.1 mm |
| 2026-04-05 | 小毛毛雨 | 15°/11° | 0.5 mm |
| 2026-04-06 | 小毛毛雨 | 19°/11° | 0.2 mm |
| 2026-04-07 | 阵雨 | 16°/6° | 7.6 mm |
| 2026-04-08 | 阴 | 12°/6° | 0.0 mm |
| 2026-04-09 | 阴 | 20°/8° | 0.0 mm |
| 2026-04-10 | 中雨 | 22°/12° | 18.5 mm |
| 2026-04-11 | 小毛毛雨 | 21°/10° | 1.4 mm |
| 2026-04-12 | 阴 | 15°/8° | 0.0 mm |
| 2026-04-13 | 阴 | 21°/10° | 0.0 mm |
| 2026-04-14 | 小毛毛雨 | 18°/11° | 0.1 mm |
| 2026-04-15 | 中雨 | 22°/12° | 17.5 mm |
| 2026-04-16 | 小毛毛雨 | 15°/11° | 0.7 mm |
| 2026-04-17 | 阴 | 24°/9° | 0.0 mm |
| 2026-04-18 | 阴 | 21°/12° | 0.0 mm |
| 2026-04-19 | 阴 | 22°/13° | 0.0 mm |
| 2026-04-20 | 阴 | 23°/14° | 0.0 mm |
| 2026-04-21 | 强阵雨 | 19°/10° | 14.4 mm |
| 2026-04-22 | 阴 | 22°/9° | 0.0 mm |
| 2026-04-23 | 小毛毛雨 | 20°/12° | 0.9 mm |
| 2026-04-24 | 阴 | 16°/8° | 0.0 mm |
| 2026-04-25 | 阴 | 19°/7° | 0.0 mm |
| 2026-04-26 | 阴 | 25°/11° | 0.0 mm |
| 2026-04-27 | 阵雨 | 16°/10° | 18.6 mm |
| 2026-04-28 | 阴 | 20°/10° | 0.0 mm |
| 2026-04-29 | 小毛毛雨 | 14°/9° | 2.8 mm |
| 2026-04-30 | 阴 | 19°/9° | 0.0 mm |
2026年04月上越市共记录 30 天，平均最高 18℃、最低 9℃，降水日 15 天。