| 日期 | 天气 | 高/低 | 降水 |
|---|---|---|---|
| 2025-05-01 | 中阵雨 | 19°/11° | 15.6 mm |
| 2025-05-02 | 阴 | 18°/9° | 0.0 mm |
| 2025-05-03 | 阵雨 | 12°/9° | 18.2 mm |
| 2025-05-04 | 阴 | 18°/8° | 0.0 mm |
| 2025-05-05 | 毛毛雨 | 16°/9° | 1.1 mm |
| 2025-05-06 | 阴 | 19°/10° | 0.0 mm |
| 2025-05-07 | 阴 | 19°/10° | 0.0 mm |
| 2025-05-08 | 阴 | 23°/11° | 0.0 mm |
| 2025-05-09 | 中雨 | 17°/13° | 20.0 mm |
| 2025-05-10 | 小雨 | 14°/11° | 5.4 mm |
| 2025-05-11 | 毛毛雨 | 19°/10° | 0.7 mm |
| 2025-05-12 | 晴天 | 22°/10° | 0.0 mm |
| 2025-05-13 | 阴 | 24°/14° | 0.0 mm |
| 2025-05-14 | 阴 | 26°/15° | 0.0 mm |
| 2025-05-15 | 大毛毛雨 | 19°/16° | 5.0 mm |
| 2025-05-16 | 雷阵雨 | 21°/17° | 21.8 mm |
| 2025-05-17 | 毛毛雨 | 23°/14° | 1.5 mm |
| 2025-05-18 | 阴 | 21°/11° | 0.0 mm |
| 2025-05-19 | 阴 | 22°/12° | 0.0 mm |
| 2025-05-20 | 小毛毛雨 | 26°/17° | 0.4 mm |
| 2025-05-21 | 小毛毛雨 | 31°/20° | 0.1 mm |
| 2025-05-22 | 小毛毛雨 | 24°/19° | 1.4 mm |
| 2025-05-23 | 小雨 | 22°/14° | 3.4 mm |
| 2025-05-24 | 小雨 | 14°/12° | 4.9 mm |
| 2025-05-25 | 晴天 | 21°/11° | 0.0 mm |
| 2025-05-26 | 阴 | 25°/13° | 0.0 mm |
| 2025-05-27 | 阴 | 26°/15° | 0.0 mm |
| 2025-05-28 | 阴 | 26°/15° | 0.0 mm |
| 2025-05-29 | 小毛毛雨 | 26°/16° | 0.1 mm |
| 2025-05-30 | 晴天 | 28°/16° | 0.0 mm |
| 2025-05-31 | 阴 | 27°/17° | 0.0 mm |
2025年05月水原市共记录 31 天，平均最高 21℃、最低 13℃，降水日 15 天。