| 日期 | 天气 | 高/低 | 降水 |
|---|---|---|---|
| 2025-12-01 | 小毛毛雨 | 17°/9° | 0.5 mm |
| 2025-12-02 | 阴 | 15°/7° | 0.0 mm |
| 2025-12-03 | 小毛毛雨 | 8°/3° | 0.3 mm |
| 2025-12-04 | 阴 | 7°/1° | 0.0 mm |
| 2025-12-05 | 小毛毛雨 | 8°/0° | 0.6 mm |
| 2025-12-06 | 阴 | 11°/0° | 0.0 mm |
| 2025-12-07 | 阴 | 16°/5° | 0.0 mm |
| 2025-12-08 | 阴 | 13°/5° | 0.0 mm |
| 2025-12-09 | 阴 | 10°/3° | 0.0 mm |
| 2025-12-10 | 阴 | 11°/3° | 0.0 mm |
| 2025-12-11 | 阵雨 | 16°/5° | 2.1 mm |
| 2025-12-12 | 小毛毛雨 | 10°/3° | 0.1 mm |
| 2025-12-13 | 阵雨 | 10°/2° | 7.7 mm |
| 2025-12-14 | 毛毛雨 | 9°/6° | 0.8 mm |
| 2025-12-15 | 阴 | 8°/2° | 0.0 mm |
| 2025-12-16 | 小毛毛雨 | 7°/1° | 0.4 mm |
| 2025-12-17 | 毛毛雨 | 11°/5° | 1.3 mm |
| 2025-12-18 | 阴 | 12°/4° | 0.0 mm |
| 2025-12-19 | 小毛毛雨 | 16°/5° | 0.1 mm |
| 2025-12-20 | 小毛毛雨 | 19°/10° | 0.7 mm |
| 2025-12-21 | 强阵雨 | 13°/5° | 17.4 mm |
| 2025-12-22 | 阴 | 10°/4° | 0.0 mm |
| 2025-12-23 | 阴 | 14°/3° | 0.0 mm |
| 2025-12-24 | 中阵雨 | 14°/9° | 14.1 mm |
| 2025-12-25 | 中阵雨 | 11°/2° | 13.9 mm |
| 2025-12-26 | 毛毛雨 | 2°/-1° | 1.5 mm |
| 2025-12-27 | 阴 | 4°/-1° | 0.0 mm |
| 2025-12-28 | 阴 | 8°/0° | 0.0 mm |
| 2025-12-29 | 阴 | 12°/2° | 0.0 mm |
| 2025-12-30 | 阴 | 11°/4° | 0.0 mm |
| 2025-12-31 | 阴 | 7°/1° | 0.0 mm |
2025年12月伊万里市共记录 31 天，平均最高 10℃、最低 3℃，降水日 15 天。