| 日期 | 天气 | 高/低 | 降水 |
|---|---|---|---|
| 2023-12-01 | 小毛毛雨 | 12°/8° | 1.6 mm |
| 2023-12-02 | 阴 | 11°/7° | 0.0 mm |
| 2023-12-03 | 阴 | 13°/8° | 0.8 mm |
| 2023-12-04 | 阴 | 13°/9° | 0.0 mm |
| 2023-12-05 | 中雨 | 13°/10° | 9.0 mm |
| 2023-12-06 | 小毛毛雨 | 15°/11° | 0.5 mm |
| 2023-12-07 | 大毛毛雨 | 15°/9° | 1.5 mm |
| 2023-12-08 | 晴天 | 15°/9° | 0.0 mm |
| 2023-12-09 | 阴 | 18°/11° | 0.0 mm |
| 2023-12-10 | 阴 | 19°/13° | 0.0 mm |
| 2023-12-11 | 中雨 | 19°/15° | 19.2 mm |
| 2023-12-12 | 小毛毛雨 | 19°/14° | 3.1 mm |
| 2023-12-13 | 阴 | 17°/13° | 0.0 mm |
| 2023-12-14 | 阴 | 20°/13° | 0.0 mm |
| 2023-12-15 | 大毛毛雨 | 21°/16° | 3.3 mm |
| 2023-12-16 | 小雨 | 16°/8° | 5.9 mm |
| 2023-12-17 | 小毛毛雨 | 8°/4° | 2.5 mm |
| 2023-12-18 | 阴 | 7°/4° | 0.1 mm |
| 2023-12-19 | 中雨 | 9°/5° | 20.8 mm |
| 2023-12-20 | 小毛毛雨 | 9°/6° | 0.2 mm |
| 2023-12-21 | 毛毛雨 | 5°/2° | 9.4 mm |
| 2023-12-22 | 小毛毛雨 | 4°/1° | 8.0 mm |
| 2023-12-23 | 小毛毛雨 | 7°/2° | 0.0 mm |
| 2023-12-24 | 毛毛雨 | 11°/4° | 2.6 mm |
| 2023-12-25 | 小毛毛雨 | 8°/6° | 1.8 mm |
| 2023-12-26 | 阴 | 11°/6° | 0.0 mm |
| 2023-12-27 | 多云 | 12°/8° | 0.0 mm |
| 2023-12-28 | 多云 | 13°/8° | 0.0 mm |
| 2023-12-29 | 晴间多云 | 13°/9° | 0.0 mm |
| 2023-12-30 | 中雨 | 13°/9° | 4.9 mm |
| 2023-12-31 | 毛毛雨 | 15°/10° | 1.6 mm |
2023年12月长岛町共记录 31 天，平均最高 12℃、最低 8℃，降水日 20 天。