| 日期 | 天气 | 高/低 | 降水 |
|---|---|---|---|
| 2024-12-01 | 阴 | 0°/-2° | 0.0 mm |
| 2024-12-02 | 中雪 | 0°/-3° | 0.8 mm |
| 2024-12-03 | 阴 | 3°/-3° | 0.0 mm |
| 2024-12-04 | 晴天 | 14°/0° | 0.0 mm |
| 2024-12-05 | 晴间多云 | 5°/-7° | 0.0 mm |
| 2024-12-06 | 晴天 | 4°/-9° | 0.0 mm |
| 2024-12-07 | 晴天 | 15°/-2° | 0.0 mm |
| 2024-12-08 | 毛毛雨 | 15°/8° | 1.4 mm |
| 2024-12-09 | 阴 | 11°/7° | 0.0 mm |
| 2024-12-10 | 阴 | 8°/0° | 0.0 mm |
| 2024-12-11 | 阴 | 2°/-1° | 0.0 mm |
| 2024-12-12 | 多云 | 8°/-6° | 0.0 mm |
| 2024-12-13 | 阴 | 3°/-5° | 0.0 mm |
| 2024-12-14 | 大雨 | 9°/0° | 14.6 mm |
| 2024-12-15 | 雾 | 12°/3° | 0.0 mm |
| 2024-12-16 | 大毛毛雨 | 17°/5° | 3.3 mm |
| 2024-12-17 | 阴 | 12°/0° | 0.0 mm |
| 2024-12-18 | 雾 | 8°/0° | 0.0 mm |
| 2024-12-19 | 阴 | 8°/-3° | 0.0 mm |
| 2024-12-20 | 阴 | 6°/-2° | 0.0 mm |
| 2024-12-21 | 阴 | 2°/-3° | 0.0 mm |
| 2024-12-22 | 晴天 | 7°/-5° | 0.0 mm |
| 2024-12-23 | 雾 | 10°/2° | 0.0 mm |
| 2024-12-24 | 毛毛雨 | 7°/5° | 2.6 mm |
| 2024-12-25 | 中雨 | 7°/5° | 7.0 mm |
| 2024-12-26 | 雾 | 11°/6° | 0.0 mm |
| 2024-12-27 | 小雨 | 12°/8° | 2.9 mm |
| 2024-12-28 | 毛毛雨 | 13°/7° | 1.1 mm |
| 2024-12-29 | 小雨 | 11°/7° | 3.6 mm |
| 2024-12-30 | 大毛毛雨 | 11°/2° | 1.1 mm |
| 2024-12-31 | 小毛毛雨 | 9°/1° | 1.2 mm |
2024年12月华盛顿共记录 31 天，平均最高 8℃、最低 0℃，降水日 11 天。