| 日期 | 天气 | 高/低 | 降水 |
|---|---|---|---|
| 2025-12-01 | 小毛毛雨 | 11°/4° | 0.1 mm |
| 2025-12-02 | 阴 | 4°/-3° | 0.0 mm |
| 2025-12-03 | 阴 | -3°/-6° | 0.0 mm |
| 2025-12-04 | 小阵雪 | 1°/-6° | 3.0 mm |
| 2025-12-05 | 阴 | 0°/-3° | 0.0 mm |
| 2025-12-06 | 小毛毛雨 | 4°/0° | 0.1 mm |
| 2025-12-07 | 小毛毛雨 | 9°/2° | 0.7 mm |
| 2025-12-08 | 阴 | 6°/2° | 0.0 mm |
| 2025-12-09 | 阴 | 6°/0° | 0.0 mm |
| 2025-12-10 | 阴 | 8°/2° | 0.0 mm |
| 2025-12-11 | 大毛毛雨 | 7°/0° | 2.6 mm |
| 2025-12-12 | 阴 | 5°/0° | 0.0 mm |
| 2025-12-13 | 小阵雪 | 4°/0° | 11.7 mm |
| 2025-12-14 | 阴 | 3°/-1° | 0.0 mm |
| 2025-12-15 | 阴 | 4°/0° | 0.0 mm |
| 2025-12-16 | 阴 | 6°/2° | 0.0 mm |
| 2025-12-17 | 阴 | 6°/3° | 0.0 mm |
| 2025-12-18 | 多云 | 6°/1° | 0.0 mm |
| 2025-12-19 | 阴 | 7°/2° | 0.0 mm |
| 2025-12-20 | 小毛毛雨 | 8°/2° | 1.1 mm |
| 2025-12-21 | 阴 | 2°/-1° | 0.0 mm |
| 2025-12-22 | 阴 | 2°/-1° | 0.0 mm |
| 2025-12-23 | 小雪 | 4°/0° | 10.7 mm |
| 2025-12-24 | 阴 | 4°/0° | 0.0 mm |
| 2025-12-25 | 阴 | 0°/-7° | 0.0 mm |
| 2025-12-26 | 晴天 | -5°/-10° | 0.0 mm |
| 2025-12-27 | 阴 | 0°/-6° | 0.0 mm |
| 2025-12-28 | 小毛毛雨 | 3°/0° | 0.4 mm |
| 2025-12-29 | 小毛毛雨 | 8°/1° | 0.9 mm |
| 2025-12-30 | 阴 | 1°/-1° | 0.0 mm |
| 2025-12-31 | 阴 | -1°/-7° | 0.0 mm |
2025年12月水原市共记录 31 天，平均最高 3℃、最低 -1℃，降水日 10 天。