| 日期 | 天气 | 高/低 | 降水 |
|---|---|---|---|
| 2026-04-01 | 阵雨 | 12°/11° | 14.2 mm |
| 2026-04-02 | 小毛毛雨 | 14°/8° | 1.8 mm |
| 2026-04-03 | 阴 | 15°/9° | 0.0 mm |
| 2026-04-04 | 阵雨 | 16°/13° | 7.7 mm |
| 2026-04-05 | 阴 | 18°/12° | 0.0 mm |
| 2026-04-06 | 阴 | 18°/11° | 0.0 mm |
| 2026-04-07 | 小雨 | 15°/8° | 5.3 mm |
| 2026-04-08 | 晴天 | 11°/5° | 0.0 mm |
| 2026-04-09 | 小毛毛雨 | 13°/9° | 0.7 mm |
| 2026-04-10 | 强阵雨 | 17°/12° | 82.4 mm |
| 2026-04-11 | 阴 | 17°/12° | 0.0 mm |
| 2026-04-12 | 阴 | 17°/13° | 0.0 mm |
| 2026-04-13 | 阴 | 18°/14° | 0.0 mm |
| 2026-04-14 | 大毛毛雨 | 18°/15° | 3.5 mm |
| 2026-04-15 | 中阵雨 | 15°/15° | 24.7 mm |
| 2026-04-16 | 阴 | 18°/12° | 0.0 mm |
| 2026-04-17 | 阴 | 17°/11° | 0.0 mm |
| 2026-04-18 | 阴 | 19°/14° | 0.0 mm |
| 2026-04-19 | 阴 | 18°/15° | 0.0 mm |
| 2026-04-20 | 小毛毛雨 | 19°/14° | 0.4 mm |
| 2026-04-21 | 毛毛雨 | 18°/13° | 1.9 mm |
| 2026-04-22 | 小毛毛雨 | 17°/12° | 0.6 mm |
| 2026-04-23 | 中雨 | 14°/11° | 31.6 mm |
| 2026-04-24 | 阴 | 15°/12° | 0.0 mm |
| 2026-04-25 | 阴 | 17°/10° | 0.0 mm |
| 2026-04-26 | 中阵雨 | 17°/13° | 41.6 mm |
| 2026-04-27 | 大毛毛雨 | 18°/13° | 2.4 mm |
| 2026-04-28 | 毛毛雨 | 19°/13° | 0.7 mm |
| 2026-04-29 | 阴 | 18°/14° | 0.0 mm |
| 2026-04-30 | 中雨 | 14°/12° | 17.2 mm |
2026年04月上岛町共记录 30 天，平均最高 16℃、最低 11℃，降水日 16 天。