| 日期 | 天气 | 高/低 | 降水 |
|---|---|---|---|
| 2025-12-01 | 毛毛雨 | 17°/10° | 1.3 mm |
| 2025-12-02 | 阴 | 16°/7° | 0.0 mm |
| 2025-12-03 | 阴 | 7°/2° | 0.0 mm |
| 2025-12-04 | 阴 | 7°/0° | 0.0 mm |
| 2025-12-05 | 小毛毛雨 | 8°/0° | 0.3 mm |
| 2025-12-06 | 晴天 | 9°/0° | 0.0 mm |
| 2025-12-07 | 阴 | 14°/4° | 0.0 mm |
| 2025-12-08 | 小毛毛雨 | 15°/5° | 0.7 mm |
| 2025-12-09 | 阴 | 11°/2° | 0.0 mm |
| 2025-12-10 | 阴 | 11°/2° | 0.0 mm |
| 2025-12-11 | 毛毛雨 | 15°/5° | 1.3 mm |
| 2025-12-12 | 阴 | 9°/3° | 0.0 mm |
| 2025-12-13 | 中雨 | 8°/3° | 11.5 mm |
| 2025-12-14 | 中雨 | 10°/3° | 17.5 mm |
| 2025-12-15 | 晴天 | 9°/1° | 0.0 mm |
| 2025-12-16 | 阴 | 10°/1° | 0.0 mm |
| 2025-12-17 | 大毛毛雨 | 13°/4° | 2.0 mm |
| 2025-12-18 | 晴间多云 | 12°/4° | 0.0 mm |
| 2025-12-19 | 阴 | 13°/5° | 0.0 mm |
| 2025-12-20 | 阵雨 | 15°/10° | 9.2 mm |
| 2025-12-21 | 阵雨 | 14°/5° | 9.1 mm |
| 2025-12-22 | 阴 | 11°/3° | 0.0 mm |
| 2025-12-23 | 小毛毛雨 | 11°/5° | 0.1 mm |
| 2025-12-24 | 毛毛雨 | 10°/6° | 2.3 mm |
| 2025-12-25 | 毛毛雨 | 12°/2° | 3.4 mm |
| 2025-12-26 | 阴 | 4°/-1° | 0.0 mm |
| 2025-12-27 | 阴 | 6°/-1° | 0.0 mm |
| 2025-12-28 | 阴 | 8°/0° | 0.0 mm |
| 2025-12-29 | 小毛毛雨 | 12°/2° | 1.2 mm |
| 2025-12-30 | 小毛毛雨 | 12°/3° | 0.8 mm |
| 2025-12-31 | 阴 | 8°/0° | 0.0 mm |
2025年12月柳井市共记录 31 天，平均最高 10℃、最低 3℃，降水日 14 天。