| 日期 | 天气 | 高/低 | 降水 |
|---|---|---|---|
| 2023-12-01 | 晴天 | 2°/-3° | 1.0 mm |
| 2023-12-02 | 晴天 | 5°/-4° | 0.0 mm |
| 2023-12-03 | 晴天 | 5°/-2° | 0.3 mm |
| 2023-12-04 | 晴天 | 9°/-1° | 0.0 mm |
| 2023-12-05 | 晴天 | 7°/1° | 16.4 mm |
| 2023-12-06 | 晴天 | 10°/2° | 0.6 mm |
| 2023-12-07 | 晴天 | 7°/0° | 0.0 mm |
| 2023-12-08 | 晴天 | 9°/0° | 0.0 mm |
| 2023-12-09 | 晴天 | 13°/3° | 0.0 mm |
| 2023-12-10 | 晴天 | 15°/5° | 0.0 mm |
| 2023-12-11 | 晴天 | 11°/6° | 15.0 mm |
| 2023-12-12 | 晴天 | 12°/5° | 8.7 mm |
| 2023-12-13 | 晴天 | 9°/0° | 0.0 mm |
| 2023-12-14 | 晴天 | 11°/1° | 1.3 mm |
| 2023-12-15 | 晴天 | 13°/7° | 0.1 mm |
| 2023-12-16 | 晴天 | 13°/0° | 2.8 mm |
| 2023-12-17 | 晴天 | 0°/-8° | 7.6 mm |
| 2023-12-18 | 晴天 | 1°/-8° | 0.0 mm |
| 2023-12-19 | 晴天 | 2°/-1° | 6.7 mm |
| 2023-12-20 | 晴天 | 4°/-3° | 0.0 mm |
| 2023-12-21 | 晴天 | -2°/-6° | 5.9 mm |
| 2023-12-22 | 晴天 | -3°/-8° | 3.1 mm |
| 2023-12-23 | 晴天 | 1°/-9° | 0.0 mm |
| 2023-12-24 | 晴天 | 6°/-4° | 0.0 mm |
| 2023-12-25 | 晴天 | 3°/-5° | 0.3 mm |
| 2023-12-26 | 晴天 | 7°/-5° | 0.0 mm |
| 2023-12-27 | 晴天 | 7°/-2° | 0.0 mm |
| 2023-12-28 | 晴天 | 10°/0° | 0.0 mm |
| 2023-12-29 | 晴天 | 8°/0° | 0.0 mm |
| 2023-12-30 | 晴天 | 8°/0° | 0.4 mm |
| 2023-12-31 | 晴天 | 10°/1° | 4.3 mm |
2023年12月土佐市共记录 31 天，平均最高 6℃、最低 -1℃，降水日 16 天。