| 日期 | 天气 | 高/低 | 降水 |
|---|---|---|---|
| 2024-12-01 | 雾 | 1°/-6° | 0.0 mm |
| 2024-12-02 | 雾 | 3°/-6° | 0.0 mm |
| 2024-12-03 | 雾 | 1°/-6° | 0.0 mm |
| 2024-12-04 | 雾 | 0°/-7° | 0.0 mm |
| 2024-12-05 | 雾 | -1°/-6° | 0.0 mm |
| 2024-12-06 | 雾 | -1°/-5° | 0.0 mm |
| 2024-12-07 | 中雪 | -1°/-4° | 0.7 mm |
| 2024-12-08 | 中雪 | 0°/-4° | 0.6 mm |
| 2024-12-09 | 雾 | -1°/-4° | 0.0 mm |
| 2024-12-10 | 雾 | -2°/-9° | 0.0 mm |
| 2024-12-11 | 雾 | -3°/-6° | 0.0 mm |
| 2024-12-12 | 中雪 | 0°/-7° | 2.0 mm |
| 2024-12-13 | 中雪 | 1°/-1° | 4.7 mm |
| 2024-12-14 | 小雪 | 4°/0° | 25.2 mm |
| 2024-12-15 | 大毛毛雨 | 3°/-1° | 1.1 mm |
| 2024-12-16 | 大雪 | 0°/-1° | 18.0 mm |
| 2024-12-17 | 中雪 | 1°/0° | 8.8 mm |
| 2024-12-18 | 雾 | 3°/-2° | 0.0 mm |
| 2024-12-19 | 雾 | 0°/-5° | 0.0 mm |
| 2024-12-20 | 雾 | 0°/-4° | 0.0 mm |
| 2024-12-21 | 毛毛雨 | 1°/-5° | 1.2 mm |
| 2024-12-22 | 强冻毛毛雨 | 0°/-4° | 1.9 mm |
| 2024-12-23 | 毛毛雨 | 2°/-1° | 2.2 mm |
| 2024-12-24 | 大毛毛雨 | 2°/0° | 2.2 mm |
| 2024-12-25 | 中雪 | 1°/-1° | 0.8 mm |
| 2024-12-26 | 大雪 | 3°/0° | 16.3 mm |
| 2024-12-27 | 大雪 | 2°/0° | 12.6 mm |
| 2024-12-28 | 大雪 | 1°/0° | 9.6 mm |
| 2024-12-29 | 大雪 | 2°/0° | 11.9 mm |
| 2024-12-30 | 阴 | 0°/-2° | 0.0 mm |
| 2024-12-31 | 阴 | -1°/-6° | 0.0 mm |
2024年12月华盛顿共记录 31 天，平均最高 0℃、最低 -3℃，降水日 17 天。