| 日期 | 天气 | 高/低 | 降水 |
|---|---|---|---|
| 2024-12-01 | 阴 | 5°/-2° | 0.0 mm |
| 2024-12-02 | 阴 | 1°/-3° | 0.0 mm |
| 2024-12-03 | 中雪 | -1°/-6° | 0.8 mm |
| 2024-12-04 | 雾 | 5°/-8° | 0.0 mm |
| 2024-12-05 | 阴 | 7°/-5° | 0.0 mm |
| 2024-12-06 | 多云 | -1°/-8° | 0.0 mm |
| 2024-12-07 | 晴天 | 6°/-8° | 0.0 mm |
| 2024-12-08 | 阴 | 13°/-1° | 0.0 mm |
| 2024-12-09 | 大毛毛雨 | 12°/7° | 2.6 mm |
| 2024-12-10 | 雾 | 19°/9° | 0.0 mm |
| 2024-12-11 | 中雪 | 14°/0° | 10.9 mm |
| 2024-12-12 | 晴间多云 | 5°/-2° | 0.0 mm |
| 2024-12-13 | 阴 | 9°/-3° | 0.0 mm |
| 2024-12-14 | 阴 | 13°/0° | 0.0 mm |
| 2024-12-15 | 阴 | 10°/5° | 0.0 mm |
| 2024-12-16 | 小毛毛雨 | 16°/8° | 0.8 mm |
| 2024-12-17 | 小雨 | 15°/12° | 2.2 mm |
| 2024-12-18 | 大毛毛雨 | 17°/10° | 2.2 mm |
| 2024-12-19 | 毛毛雨 | 7°/3° | 0.7 mm |
| 2024-12-20 | 阴 | 6°/0° | 0.0 mm |
| 2024-12-21 | 阴 | 1°/-1° | 0.0 mm |
| 2024-12-22 | 阴 | 2°/-7° | 0.0 mm |
| 2024-12-23 | 晴天 | 8°/-6° | 0.0 mm |
| 2024-12-24 | 阴 | 8°/-3° | 0.0 mm |
| 2024-12-25 | 阴 | 12°/-1° | 0.0 mm |
| 2024-12-26 | 阴 | 13°/3° | 0.0 mm |
| 2024-12-27 | 阴 | 13°/4° | 0.0 mm |
| 2024-12-28 | 中雨 | 19°/11° | 5.8 mm |
| 2024-12-29 | 小毛毛雨 | 15°/9° | 0.8 mm |
| 2024-12-30 | 小雨 | 12°/5° | 2.5 mm |
| 2024-12-31 | 中雨 | 15°/5° | 2.9 mm |
2024年12月华盛顿共记录 31 天，平均最高 9℃、最低 0℃，降水日 11 天。