| 日期 | 天气 | 高/低 | 降水 |
|---|---|---|---|
| 2025-12-01 | 阴 | 14°/4° | 0.0 mm |
| 2025-12-02 | 阴 | 13°/6° | 0.0 mm |
| 2025-12-03 | 小阵雪 | 7°/-2° | 2.5 mm |
| 2025-12-04 | 小阵雪 | 2°/-4° | 3.5 mm |
| 2025-12-05 | 小阵雪 | 1°/-4° | 0.4 mm |
| 2025-12-06 | 晴天 | 7°/-3° | 0.0 mm |
| 2025-12-07 | 晴间多云 | 9°/0° | 0.0 mm |
| 2025-12-08 | 小毛毛雨 | 9°/2° | 0.3 mm |
| 2025-12-09 | 阴 | 6°/-1° | 0.0 mm |
| 2025-12-10 | 阴 | 7°/-1° | 0.0 mm |
| 2025-12-11 | 小毛毛雨 | 9°/0° | 0.3 mm |
| 2025-12-12 | 小毛毛雨 | 4°/-4° | 0.1 mm |
| 2025-12-13 | 小毛毛雨 | 7°/-4° | 0.5 mm |
| 2025-12-14 | 小阵雪 | 7°/0° | 15.7 mm |
| 2025-12-15 | 小雪 | 4°/-3° | 0.7 mm |
| 2025-12-16 | 多云 | 6°/-3° | 0.0 mm |
| 2025-12-17 | 小毛毛雨 | 7°/0° | 1.3 mm |
| 2025-12-18 | 雾 | 7°/-1° | 0.0 mm |
| 2025-12-19 | 阴 | 11°/1° | 0.0 mm |
| 2025-12-20 | 小雨 | 12°/6° | 6.9 mm |
| 2025-12-21 | 阵雨 | 10°/7° | 13.7 mm |
| 2025-12-22 | 雾 | 9°/0° | 0.0 mm |
| 2025-12-23 | 小毛毛雨 | 9°/1° | 0.1 mm |
| 2025-12-24 | 中阵雨 | 10°/5° | 12.1 mm |
| 2025-12-25 | 小阵雪 | 11°/2° | 6.5 mm |
| 2025-12-26 | 小阵雪 | 1°/-6° | 1.9 mm |
| 2025-12-27 | 阴 | 2°/-6° | 0.0 mm |
| 2025-12-28 | 阴 | 7°/-3° | 0.0 mm |
| 2025-12-29 | 阴 | 7°/-1° | 0.0 mm |
| 2025-12-30 | 阴 | 7°/0° | 0.0 mm |
| 2025-12-31 | 阴 | 4°/-3° | 0.0 mm |
2025年12月根羽村共记录 31 天，平均最高 7℃、最低 0℃，降水日 16 天。