| 日期 | 天气 | 高/低 | 降水 |
|---|---|---|---|
| 2023-12-01 | 晴天 | 7°/4° | 0.3 mm |
| 2023-12-02 | 晴天 | 8°/1° | 0.0 mm |
| 2023-12-03 | 晴天 | 10°/3° | 1.2 mm |
| 2023-12-04 | 晴天 | 12°/3° | 0.0 mm |
| 2023-12-05 | 晴天 | 13°/6° | 0.4 mm |
| 2023-12-06 | 晴天 | 13°/6° | 2.6 mm |
| 2023-12-07 | 晴天 | 11°/4° | 0.2 mm |
| 2023-12-08 | 晴天 | 14°/3° | 0.0 mm |
| 2023-12-09 | 晴天 | 17°/8° | 0.0 mm |
| 2023-12-10 | 晴天 | 19°/10° | 0.0 mm |
| 2023-12-11 | 晴天 | 17°/11° | 13.8 mm |
| 2023-12-12 | 晴天 | 15°/10° | 3.3 mm |
| 2023-12-13 | 晴天 | 14°/8° | 0.2 mm |
| 2023-12-14 | 晴天 | 14°/8° | 0.9 mm |
| 2023-12-15 | 晴天 | 19°/12° | 3.0 mm |
| 2023-12-16 | 晴天 | 11°/3° | 3.3 mm |
| 2023-12-17 | 晴天 | 2°/0° | 0.8 mm |
| 2023-12-18 | 晴天 | 4°/-1° | 0.1 mm |
| 2023-12-19 | 晴天 | 6°/0° | 3.7 mm |
| 2023-12-20 | 晴天 | 6°/1° | 0.1 mm |
| 2023-12-21 | 晴天 | 0°/-1° | 5.6 mm |
| 2023-12-22 | 晴天 | 0°/-1° | 0.7 mm |
| 2023-12-23 | 晴天 | 4°/-2° | 0.0 mm |
| 2023-12-24 | 晴天 | 5°/-1° | 4.3 mm |
| 2023-12-25 | 晴天 | 5°/2° | 0.5 mm |
| 2023-12-26 | 晴天 | 9°/0° | 0.0 mm |
| 2023-12-27 | 晴天 | 11°/3° | 0.0 mm |
| 2023-12-28 | 晴天 | 11°/3° | 0.1 mm |
| 2023-12-29 | 晴天 | 11°/4° | 0.0 mm |
| 2023-12-30 | 晴天 | 13°/3° | 0.0 mm |
| 2023-12-31 | 晴天 | 12°/7° | 1.6 mm |
2023年12月伊万里市共记录 31 天，平均最高 10℃、最低 3℃，降水日 21 天。