| 日期 | 天气 | 高/低 | 降水 |
|---|---|---|---|
| 2026-05-01 | 强阵雨 | 19°/11° | 42.3 mm |
| 2026-05-02 | 阴 | 25°/12° | 0.0 mm |
| 2026-05-03 | 小毛毛雨 | 23°/14° | 0.2 mm |
| 2026-05-04 | 小毛毛雨 | 21°/13° | 0.2 mm |
| 2026-05-05 | 阴 | 20°/11° | 0.0 mm |
| 2026-05-06 | 阴 | 21°/13° | 0.0 mm |
| 2026-05-07 | 小雨 | 24°/16° | 2.9 mm |
| 2026-05-08 | 毛毛雨 | 24°/16° | 4.1 mm |
| 2026-05-09 | 小毛毛雨 | 21°/13° | 0.7 mm |
| 2026-05-10 | 阴 | 22°/12° | 0.0 mm |
| 2026-05-11 | 阴 | 24°/15° | 0.0 mm |
| 2026-05-12 | 阴 | 21°/15° | 0.0 mm |
| 2026-05-13 | 阵雨 | 23°/15° | 8.6 mm |
| 2026-05-14 | 毛毛雨 | 20°/11° | 1.1 mm |
| 2026-05-15 | 阴 | 19°/11° | 0.0 mm |
| 2026-05-16 | 多云 | 22°/12° | 0.0 mm |
| 2026-05-17 | 晴天 | 24°/14° | 0.0 mm |
| 2026-05-18 | 晴天 | 26°/14° | 0.0 mm |
| 2026-05-19 | 阴 | 31°/17° | 0.0 mm |
| 2026-05-20 | 阴 | 30°/18° | 0.0 mm |
| 2026-05-21 | 小雨 | 21°/13° | 9.6 mm |
| 2026-05-22 | 毛毛雨 | 14°/11° | 3.5 mm |
| 2026-05-23 | 阴 | 16°/10° | 0.0 mm |
| 2026-05-24 | 小毛毛雨 | 20°/12° | 0.7 mm |
| 2026-05-25 | 小毛毛雨 | 23°/15° | 0.2 mm |
| 2026-05-26 | 阴 | 24°/17° | 0.0 mm |
| 2026-05-27 | 阴 | 25°/17° | 0.0 mm |
| 2026-05-28 | 小毛毛雨 | 26°/19° | 0.2 mm |
| 2026-05-29 | 小毛毛雨 | 28°/20° | 0.4 mm |
| 2026-05-30 | 阴 | 29°/18° | 0.0 mm |
| 2026-05-31 | 阴 | 28°/19° | 0.0 mm |
2026年05月水户市共记录 31 天，平均最高 23℃、最低 14℃，降水日 14 天。