| 日期 | 天气 | 高/低 | 降水 |
|---|---|---|---|
| 2025-04-01 | 中阵雨 | 10°/4° | 53.1 mm |
| 2025-04-02 | 中阵雨 | 12°/8° | 29.0 mm |
| 2025-04-03 | 小雨 | 7°/6° | 12.8 mm |
| 2025-04-04 | 阴 | 14°/5° | 0.0 mm |
| 2025-04-05 | 小毛毛雨 | 13°/5° | 0.3 mm |
| 2025-04-06 | 小雨 | 18°/10° | 1.8 mm |
| 2025-04-07 | 阴 | 18°/10° | 0.0 mm |
| 2025-04-08 | 小毛毛雨 | 18°/7° | 0.2 mm |
| 2025-04-09 | 毛毛雨 | 18°/9° | 0.5 mm |
| 2025-04-10 | 阵雨 | 20°/11° | 4.2 mm |
| 2025-04-11 | 毛毛雨 | 18°/12° | 2.6 mm |
| 2025-04-12 | 阴 | 16°/10° | 0.0 mm |
| 2025-04-13 | 大毛毛雨 | 13°/10° | 6.7 mm |
| 2025-04-14 | 阵雨 | 22°/12° | 5.4 mm |
| 2025-04-15 | 小毛毛雨 | 21°/10° | 1.2 mm |
| 2025-04-16 | 阴 | 19°/8° | 0.0 mm |
| 2025-04-17 | 阴 | 22°/9° | 0.0 mm |
| 2025-04-18 | 阴 | 24°/13° | 0.0 mm |
| 2025-04-19 | 阴 | 25°/15° | 0.0 mm |
| 2025-04-20 | 小毛毛雨 | 22°/15° | 0.1 mm |
| 2025-04-21 | 毛毛雨 | 21°/12° | 1.6 mm |
| 2025-04-22 | 阴 | 22°/11° | 0.0 mm |
| 2025-04-23 | 大毛毛雨 | 17°/15° | 3.8 mm |
| 2025-04-24 | 小毛毛雨 | 21°/13° | 0.1 mm |
| 2025-04-25 | 阴 | 19°/13° | 0.0 mm |
| 2025-04-26 | 毛毛雨 | 14°/10° | 2.1 mm |
| 2025-04-27 | 阴 | 23°/9° | 0.0 mm |
| 2025-04-28 | 中雨 | 23°/11° | 11.0 mm |
| 2025-04-29 | 阵雨 | 21°/12° | 4.8 mm |
| 2025-04-30 | 晴天 | 21°/10° | 0.0 mm |
2025年04月水户市共记录 30 天，平均最高 18℃、最低 10℃，降水日 19 天。