| 日期 | 天气 | 高/低 | 降水 |
|---|---|---|---|
| 2025-01-01 | 晴天 | 8°/-3° | 0.0 mm |
| 2025-01-02 | 晴天 | 11°/0° | 0.0 mm |
| 2025-01-03 | 阴 | 8°/-2° | 0.0 mm |
| 2025-01-04 | 多云 | 6°/-3° | 0.0 mm |
| 2025-01-05 | 阴 | 8°/-2° | 0.0 mm |
| 2025-01-06 | 中雨 | 8°/0° | 23.7 mm |
| 2025-01-07 | 阴 | 8°/-1° | 0.0 mm |
| 2025-01-08 | 小雪 | 2°/-2° | 0.4 mm |
| 2025-01-09 | 小雪 | 5°/-4° | 0.6 mm |
| 2025-01-10 | 小毛毛雨 | 4°/-7° | 0.1 mm |
| 2025-01-11 | 阴 | 6°/-3° | 0.0 mm |
| 2025-01-12 | 小毛毛雨 | 6°/0° | 0.1 mm |
| 2025-01-13 | 阴 | 8°/-2° | 0.0 mm |
| 2025-01-14 | 多云 | 9°/-1° | 0.0 mm |
| 2025-01-15 | 小雪 | 5°/-3° | 0.2 mm |
| 2025-01-16 | 阴 | 6°/-3° | 0.0 mm |
| 2025-01-17 | 阴 | 7°/-2° | 0.0 mm |
| 2025-01-18 | 阴 | 6°/0° | 0.0 mm |
| 2025-01-19 | 阴 | 9°/1° | 0.0 mm |
| 2025-01-20 | 小雪 | 11°/2° | 4.0 mm |
| 2025-01-21 | 毛毛雨 | 9°/1° | 2.4 mm |
| 2025-01-22 | 小毛毛雨 | 9°/0° | 0.4 mm |
| 2025-01-23 | 阴 | 10°/0° | 0.0 mm |
| 2025-01-24 | 阴 | 11°/1° | 0.0 mm |
| 2025-01-25 | 小阵雪 | 8°/0° | 3.6 mm |
| 2025-01-26 | 阴 | 8°/-2° | 0.0 mm |
| 2025-01-27 | 毛毛雨 | 6°/0° | 1.9 mm |
| 2025-01-28 | 毛毛雨 | 8°/0° | 0.8 mm |
| 2025-01-29 | 阴 | 3°/-1° | 0.0 mm |
| 2025-01-30 | 晴间多云 | 4°/-4° | 0.0 mm |
| 2025-01-31 | 阴 | 8°/-4° | 0.0 mm |
2025年01月川根本町共记录 31 天，平均最高 7℃、最低 -1℃，降水日 12 天。