| 日期 | 天气 | 高/低 | 降水 |
|---|---|---|---|
| 2025-01-01 | 阴 | 8°/4° | 0.0 mm |
| 2025-01-02 | 小雨 | 9°/2° | 11.8 mm |
| 2025-01-03 | 小阵雪 | 3°/0° | 4.1 mm |
| 2025-01-04 | 小雪 | 3°/1° | 1.8 mm |
| 2025-01-05 | 大雪 | 11°/0° | 19.8 mm |
| 2025-01-06 | 小毛毛雨 | 13°/7° | 0.2 mm |
| 2025-01-07 | 小毛毛雨 | 7°/4° | 1.4 mm |
| 2025-01-08 | 大雪 | 5°/0° | 12.3 mm |
| 2025-01-09 | 小阵雪 | 1°/0° | 26.6 mm |
| 2025-01-10 | 中雪 | 3°/0° | 2.3 mm |
| 2025-01-11 | 小毛毛雨 | 1°/0° | 0.2 mm |
| 2025-01-12 | 阴 | 2°/-1° | 0.0 mm |
| 2025-01-13 | 阴 | 1°/-1° | 0.0 mm |
| 2025-01-14 | 阴 | 1°/-2° | 0.0 mm |
| 2025-01-15 | 小毛毛雨 | 2°/0° | 0.3 mm |
| 2025-01-16 | 雾 | 3°/0° | 0.0 mm |
| 2025-01-17 | 阴 | 2°/-1° | 0.0 mm |
| 2025-01-18 | 晴天 | 3°/-1° | 0.0 mm |
| 2025-01-19 | 晴天 | 2°/-1° | 0.0 mm |
| 2025-01-20 | 阴 | 0°/-1° | 0.0 mm |
| 2025-01-21 | 阴 | 3°/0° | 0.0 mm |
| 2025-01-22 | 毛毛雨 | 4°/0° | 1.9 mm |
| 2025-01-23 | 小雨 | 5°/3° | 10.9 mm |
| 2025-01-24 | 小毛毛雨 | 9°/5° | 1.4 mm |
| 2025-01-25 | 毛毛雨 | 12°/6° | 3.6 mm |
| 2025-01-26 | 小雨 | 8°/2° | 6.6 mm |
| 2025-01-27 | 小毛毛雨 | 13°/7° | 0.8 mm |
| 2025-01-28 | 小毛毛雨 | 10°/8° | 0.3 mm |
| 2025-01-29 | 毛毛雨 | 9°/6° | 3.5 mm |
| 2025-01-30 | 大毛毛雨 | 7°/4° | 11.0 mm |
| 2025-01-31 | 阴 | 6°/2° | 0.0 mm |
2025年01月科隆共记录 31 天，平均最高 5℃、最低 1℃，降水日 20 天。