| 日期 | 天气 | 高/低 | 降水 |
|---|---|---|---|
| 2023-12-01 | 小毛毛雨 | 4°/0° | 0.4 mm |
| 2023-12-02 | 晴间多云 | 7°/0° | 0.0 mm |
| 2023-12-03 | 小毛毛雨 | 8°/0° | 0.1 mm |
| 2023-12-04 | 阴 | 11°/0° | 0.0 mm |
| 2023-12-05 | 中雨 | 9°/5° | 4.9 mm |
| 2023-12-06 | 阴 | 11°/4° | 0.2 mm |
| 2023-12-07 | 小雨 | 10°/3° | 1.1 mm |
| 2023-12-08 | 晴天 | 14°/3° | 0.0 mm |
| 2023-12-09 | 阴 | 15°/5° | 0.0 mm |
| 2023-12-10 | 阴 | 18°/8° | 0.0 mm |
| 2023-12-11 | 中雨 | 15°/10° | 17.2 mm |
| 2023-12-12 | 大毛毛雨 | 15°/8° | 5.9 mm |
| 2023-12-13 | 阴 | 13°/6° | 0.0 mm |
| 2023-12-14 | 毛毛雨 | 16°/6° | 0.3 mm |
| 2023-12-15 | 小雨 | 16°/11° | 8.4 mm |
| 2023-12-16 | 毛毛雨 | 13°/0° | 4.1 mm |
| 2023-12-17 | 小雪 | 1°/-3° | 1.4 mm |
| 2023-12-18 | 小雪 | 5°/-3° | 0.0 mm |
| 2023-12-19 | 中雪 | 3°/0° | 21.9 mm |
| 2023-12-20 | 小雪 | 3°/-1° | 0.8 mm |
| 2023-12-21 | 小雪 | 0°/-4° | 3.1 mm |
| 2023-12-22 | 小雪 | -1°/-5° | 1.0 mm |
| 2023-12-23 | 阴 | 2°/-5° | 0.0 mm |
| 2023-12-24 | 小毛毛雨 | 7°/-2° | 0.3 mm |
| 2023-12-25 | 小毛毛雨 | 3°/-2° | 1.5 mm |
| 2023-12-26 | 阴 | 7°/-2° | 0.0 mm |
| 2023-12-27 | 阴 | 10°/1° | 0.0 mm |
| 2023-12-28 | 多云 | 11°/2° | 0.0 mm |
| 2023-12-29 | 多云 | 11°/2° | 0.0 mm |
| 2023-12-30 | 小雨 | 14°/3° | 2.1 mm |
| 2023-12-31 | 毛毛雨 | 10°/4° | 5.4 mm |
2023年12月南小国町共记录 31 天，平均最高 9℃、最低 1℃，降水日 20 天。