| 日期 | 天气 | 高/低 | 降水 |
|---|---|---|---|
| 2025-05-01 | 毛毛雨 | 15°/7° | 1.6 mm |
| 2025-05-02 | 强阵雨 | 16°/4° | 71.0 mm |
| 2025-05-03 | 阴 | 17°/4° | 0.0 mm |
| 2025-05-04 | 小毛毛雨 | 14°/5° | 0.1 mm |
| 2025-05-05 | 大毛毛雨 | 16°/5° | 1.4 mm |
| 2025-05-06 | 中阵雨 | 13°/7° | 40.9 mm |
| 2025-05-07 | 小毛毛雨 | 15°/6° | 0.6 mm |
| 2025-05-08 | 阴 | 18°/6° | 0.0 mm |
| 2025-05-09 | 中阵雨 | 11°/7° | 58.2 mm |
| 2025-05-10 | 中阵雨 | 22°/9° | 5.6 mm |
| 2025-05-11 | 阵雨 | 18°/7° | 8.9 mm |
| 2025-05-12 | 小毛毛雨 | 17°/7° | 0.2 mm |
| 2025-05-13 | 阴 | 21°/7° | 0.0 mm |
| 2025-05-14 | 阴 | 20°/8° | 0.0 mm |
| 2025-05-15 | 阴 | 19°/9° | 0.0 mm |
| 2025-05-16 | 小毛毛雨 | 20°/10° | 0.5 mm |
| 2025-05-17 | 中阵雨 | 19°/12° | 19.9 mm |
| 2025-05-18 | 毛毛雨 | 24°/14° | 1.3 mm |
| 2025-05-19 | 小毛毛雨 | 21°/11° | 0.5 mm |
| 2025-05-20 | 小毛毛雨 | 25°/12° | 0.2 mm |
| 2025-05-21 | 中阵雨 | 19°/16° | 40.0 mm |
| 2025-05-22 | 中阵雨 | 23°/14° | 19.1 mm |
| 2025-05-23 | 小毛毛雨 | 22°/11° | 0.4 mm |
| 2025-05-24 | 强阵雨 | 17°/12° | 92.6 mm |
| 2025-05-25 | 毛毛雨 | 17°/8° | 2.3 mm |
| 2025-05-26 | 阴 | 15°/7° | 0.0 mm |
| 2025-05-27 | 毛毛雨 | 16°/8° | 2.3 mm |
| 2025-05-28 | 小毛毛雨 | 20°/9° | 2.0 mm |
| 2025-05-29 | 阵雨 | 13°/11° | 4.9 mm |
| 2025-05-30 | 小毛毛雨 | 15°/9° | 1.3 mm |
| 2025-05-31 | 阴 | 17°/7° | 0.0 mm |
2025年05月土佐市共记录 31 天，平均最高 17℃、最低 8℃，降水日 24 天。