| 日期 | 天气 | 高/低 | 降水 |
|---|---|---|---|
| 2026-05-01 | 阵雨 | 14°/6° | 6.2 mm |
| 2026-05-02 | 阴 | 21°/5° | 0.0 mm |
| 2026-05-03 | 强阵雨 | 15°/8° | 55.5 mm |
| 2026-05-04 | 小毛毛雨 | 14°/5° | 0.5 mm |
| 2026-05-05 | 阴 | 15°/3° | 0.0 mm |
| 2026-05-06 | 小毛毛雨 | 16°/6° | 0.1 mm |
| 2026-05-07 | 阴 | 21°/8° | 0.0 mm |
| 2026-05-08 | 小毛毛雨 | 18°/6° | 0.8 mm |
| 2026-05-09 | 阴 | 16°/5° | 0.0 mm |
| 2026-05-10 | 阴 | 19°/6° | 0.0 mm |
| 2026-05-11 | 阴 | 17°/7° | 0.0 mm |
| 2026-05-12 | 小毛毛雨 | 18°/7° | 0.8 mm |
| 2026-05-13 | 雷阵雨 | 17°/9° | 12.1 mm |
| 2026-05-14 | 毛毛雨 | 20°/9° | 4.2 mm |
| 2026-05-15 | 晴间多云 | 21°/8° | 0.0 mm |
| 2026-05-16 | 晴间多云 | 22°/10° | 0.0 mm |
| 2026-05-17 | 晴天 | 25°/10° | 0.0 mm |
| 2026-05-18 | 晴间多云 | 24°/11° | 0.0 mm |
| 2026-05-19 | 阴 | 21°/10° | 0.0 mm |
| 2026-05-20 | 毛毛雨 | 19°/12° | 3.8 mm |
| 2026-05-21 | 阵雨 | 18°/16° | 9.2 mm |
| 2026-05-22 | 小毛毛雨 | 19°/12° | 1.8 mm |
| 2026-05-23 | 阵雨 | 15°/12° | 12.2 mm |
| 2026-05-24 | 小毛毛雨 | 18°/13° | 4.0 mm |
| 2026-05-25 | 小毛毛雨 | 20°/13° | 1.5 mm |
| 2026-05-26 | 阵雨 | 19°/13° | 4.6 mm |
| 2026-05-27 | 中阵雨 | 16°/14° | 20.4 mm |
| 2026-05-28 | 小毛毛雨 | 20°/16° | 0.9 mm |
| 2026-05-29 | 小毛毛雨 | 22°/12° | 0.7 mm |
| 2026-05-30 | 阴 | 24°/11° | 0.0 mm |
| 2026-05-31 | 小毛毛雨 | 22°/14° | 0.8 mm |
2026年05月土佐市共记录 31 天，平均最高 18℃、最低 9℃，降水日 19 天。