| 日期 | 天气 | 高/低 | 降水 |
|---|---|---|---|
| 2025-12-01 | 阵雨 | 18°/16° | 3.5 mm |
| 2025-12-02 | 大毛毛雨 | 17°/16° | 1.8 mm |
| 2025-12-03 | 毛毛雨 | 15°/10° | 4.3 mm |
| 2025-12-04 | 小毛毛雨 | 12°/9° | 1.0 mm |
| 2025-12-05 | 小毛毛雨 | 13°/10° | 1.4 mm |
| 2025-12-06 | 阴 | 14°/10° | 0.0 mm |
| 2025-12-07 | 晴天 | 15°/14° | 0.0 mm |
| 2025-12-08 | 小毛毛雨 | 16°/13° | 1.3 mm |
| 2025-12-09 | 阴 | 13°/12° | 0.0 mm |
| 2025-12-10 | 阴 | 15°/12° | 0.0 mm |
| 2025-12-11 | 大毛毛雨 | 18°/14° | 5.8 mm |
| 2025-12-12 | 小毛毛雨 | 16°/12° | 0.5 mm |
| 2025-12-13 | 强阵雨 | 17°/13° | 40.2 mm |
| 2025-12-14 | 毛毛雨 | 17°/11° | 4.0 mm |
| 2025-12-15 | 小毛毛雨 | 11°/10° | 0.8 mm |
| 2025-12-16 | 小毛毛雨 | 13°/11° | 0.2 mm |
| 2025-12-17 | 小毛毛雨 | 16°/13° | 1.9 mm |
| 2025-12-18 | 阴 | 14°/12° | 0.0 mm |
| 2025-12-19 | 阴 | 17°/14° | 0.0 mm |
| 2025-12-20 | 阵雨 | 18°/16° | 15.2 mm |
| 2025-12-21 | 阵雨 | 18°/12° | 7.4 mm |
| 2025-12-22 | 晴间多云 | 13°/11° | 0.0 mm |
| 2025-12-23 | 小毛毛雨 | 17°/13° | 0.8 mm |
| 2025-12-24 | 强阵雨 | 18°/14° | 29.4 mm |
| 2025-12-25 | 小毛毛雨 | 15°/9° | 1.1 mm |
| 2025-12-26 | 小毛毛雨 | 8°/6° | 1.7 mm |
| 2025-12-27 | 小毛毛雨 | 9°/7° | 0.6 mm |
| 2025-12-28 | 阴 | 10°/8° | 0.0 mm |
| 2025-12-29 | 小毛毛雨 | 15°/10° | 0.5 mm |
| 2025-12-30 | 小雨 | 16°/11° | 5.5 mm |
| 2025-12-31 | 阴 | 13°/10° | 0.0 mm |
2025年12月三岛市共记录 31 天，平均最高 14℃、最低 11℃，降水日 22 天。