| 日期 | 天气 | 高/低 | 降水 |
|---|---|---|---|
| 2024-12-01 | 阴 | 0°/-4° | 0.0 mm |
| 2024-12-02 | 中雪 | -2°/-7° | 0.4 mm |
| 2024-12-03 | 阴 | -1°/-7° | 0.0 mm |
| 2024-12-04 | 阴 | 13°/-1° | 0.0 mm |
| 2024-12-05 | 晴间多云 | 6°/-8° | 0.0 mm |
| 2024-12-06 | 阴 | 1°/-9° | 0.0 mm |
| 2024-12-07 | 晴天 | 12°/-3° | 0.0 mm |
| 2024-12-08 | 大雨 | 13°/6° | 16.6 mm |
| 2024-12-09 | 阴 | 12°/7° | 0.0 mm |
| 2024-12-10 | 雾 | 7°/1° | 0.0 mm |
| 2024-12-11 | 阴 | 4°/-1° | 0.0 mm |
| 2024-12-12 | 多云 | 4°/-3° | 0.0 mm |
| 2024-12-13 | 阴 | 2°/-4° | 0.0 mm |
| 2024-12-14 | 中雨 | 9°/0° | 13.7 mm |
| 2024-12-15 | 阴 | 13°/7° | 0.0 mm |
| 2024-12-16 | 大雨 | 17°/7° | 35.4 mm |
| 2024-12-17 | 阴 | 13°/2° | 0.0 mm |
| 2024-12-18 | 中雨 | 7°/1° | 5.4 mm |
| 2024-12-19 | 阴 | 7°/-1° | 0.0 mm |
| 2024-12-20 | 阴 | 5°/0° | 0.0 mm |
| 2024-12-21 | 阴 | 3°/-3° | 0.0 mm |
| 2024-12-22 | 阴 | 5°/-4° | 0.0 mm |
| 2024-12-23 | 小毛毛雨 | 8°/0° | 0.4 mm |
| 2024-12-24 | 大毛毛雨 | 8°/6° | 3.4 mm |
| 2024-12-25 | 中雨 | 7°/6° | 11.5 mm |
| 2024-12-26 | 阴 | 11°/7° | 0.0 mm |
| 2024-12-27 | 毛毛雨 | 13°/9° | 2.3 mm |
| 2024-12-28 | 小雨 | 14°/11° | 3.0 mm |
| 2024-12-29 | 大雨 | 12°/9° | 29.5 mm |
| 2024-12-30 | 雾 | 11°/6° | 0.0 mm |
| 2024-12-31 | 大毛毛雨 | 11°/3° | 2.7 mm |
2024年12月华盛顿共记录 31 天，平均最高 7℃、最低 1℃，降水日 12 天。