| 日期 | 天气 | 高/低 | 降水 |
|---|---|---|---|
| 2025-12-01 | 阴 | 19°/7° | 0.0 mm |
| 2025-12-02 | 阴 | 11°/9° | 0.0 mm |
| 2025-12-03 | 大毛毛雨 | 11°/4° | 1.5 mm |
| 2025-12-04 | 小阵雪 | 4°/0° | 0.8 mm |
| 2025-12-05 | 小雪 | 6°/1° | 0.7 mm |
| 2025-12-06 | 阴 | 10°/2° | 0.0 mm |
| 2025-12-07 | 小毛毛雨 | 12°/3° | 0.1 mm |
| 2025-12-08 | 毛毛雨 | 13°/6° | 1.5 mm |
| 2025-12-09 | 阴 | 7°/4° | 0.0 mm |
| 2025-12-10 | 小雪 | 8°/2° | 1.6 mm |
| 2025-12-11 | 毛毛雨 | 12°/2° | 0.9 mm |
| 2025-12-12 | 小毛毛雨 | 5°/0° | 0.5 mm |
| 2025-12-13 | 阴 | 5°/1° | 0.0 mm |
| 2025-12-14 | 大雪 | 7°/0° | 27.0 mm |
| 2025-12-15 | 小阵雪 | 8°/5° | 1.0 mm |
| 2025-12-16 | 小毛毛雨 | 10°/3° | 0.5 mm |
| 2025-12-17 | 小毛毛雨 | 9°/3° | 0.3 mm |
| 2025-12-18 | 多云 | 7°/3° | 0.0 mm |
| 2025-12-19 | 晴天 | 9°/2° | 0.0 mm |
| 2025-12-20 | 阴 | 14°/3° | 0.0 mm |
| 2025-12-21 | 小雨 | 17°/8° | 5.3 mm |
| 2025-12-22 | 阴 | 10°/2° | 0.0 mm |
| 2025-12-23 | 阴 | 5°/1° | 0.0 mm |
| 2025-12-24 | 毛毛雨 | 7°/3° | 1.6 mm |
| 2025-12-25 | 中雨 | 8°/6° | 16.0 mm |
| 2025-12-26 | 大毛毛雨 | 7°/0° | 2.9 mm |
| 2025-12-27 | 小毛毛雨 | 4°/0° | 0.1 mm |
| 2025-12-28 | 阴 | 6°/1° | 0.0 mm |
| 2025-12-29 | 阴 | 10°/1° | 0.0 mm |
| 2025-12-30 | 阴 | 11°/3° | 0.0 mm |
| 2025-12-31 | 中雪 | 4°/0° | 2.0 mm |
2025年12月岩沼市共记录 31 天，平均最高 8℃、最低 2℃，降水日 18 天。