| 日期 | 天气 | 高/低 | 降水 |
|---|---|---|---|
| 2025-04-01 | 阴 | 28°/14° | 0.0 mm |
| 2025-04-02 | 阴 | 29°/14° | 0.0 mm |
| 2025-04-03 | 阴 | 28°/13° | 0.0 mm |
| 2025-04-04 | 阴 | 28°/13° | 0.0 mm |
| 2025-04-05 | 阴 | 29°/12° | 0.0 mm |
| 2025-04-06 | 晴天 | 29°/9° | 0.0 mm |
| 2025-04-07 | 雾 | 24°/5° | 0.0 mm |
| 2025-04-08 | 晴天 | 19°/4° | 0.0 mm |
| 2025-04-09 | 晴天 | 24°/6° | 0.0 mm |
| 2025-04-10 | 晴天 | 25°/8° | 0.0 mm |
| 2025-04-11 | 晴天 | 23°/7° | 0.0 mm |
| 2025-04-12 | 晴天 | 23°/5° | 0.0 mm |
| 2025-04-13 | 晴天 | 25°/6° | 0.0 mm |
| 2025-04-14 | 晴天 | 26°/7° | 0.0 mm |
| 2025-04-15 | 阴 | 25°/8° | 0.0 mm |
| 2025-04-16 | 阴 | 25°/6° | 0.0 mm |
| 2025-04-17 | 阴 | 28°/9° | 0.0 mm |
| 2025-04-18 | 阴 | 30°/12° | 0.0 mm |
| 2025-04-19 | 毛毛雨 | 29°/14° | 1.2 mm |
| 2025-04-20 | 小毛毛雨 | 28°/14° | 0.3 mm |
| 2025-04-21 | 阵雨 | 27°/13° | 3.1 mm |
| 2025-04-22 | 小毛毛雨 | 29°/13° | 0.4 mm |
| 2025-04-23 | 小毛毛雨 | 29°/13° | 0.3 mm |
| 2025-04-24 | 阴 | 30°/13° | 0.0 mm |
| 2025-04-25 | 阴 | 27°/14° | 0.0 mm |
| 2025-04-26 | 阴 | 28°/12° | 0.0 mm |
| 2025-04-27 | 阴 | 28°/11° | 0.0 mm |
| 2025-04-28 | 晴天 | 28°/11° | 0.0 mm |
| 2025-04-29 | 阴 | 28°/11° | 0.0 mm |
| 2025-04-30 | 阴 | 29°/13° | 0.0 mm |
2025年04月科隆共记录 30 天，平均最高 26℃、最低 10℃，降水日 5 天。