| 日期 | 天气 | 高/低 | 降水 |
|---|---|---|---|
| 2024-12-01 | 多云 | -1°/-6° | 0.0 mm |
| 2024-12-02 | 阴 | 0°/-6° | 0.0 mm |
| 2024-12-03 | 阴 | 0°/-6° | 0.0 mm |
| 2024-12-04 | 阴 | 4°/-5° | 0.0 mm |
| 2024-12-05 | 小雪 | 4°/-6° | 1.1 mm |
| 2024-12-06 | 阴 | -1°/-7° | 0.0 mm |
| 2024-12-07 | 阴 | 3°/-3° | 0.0 mm |
| 2024-12-08 | 阴 | 12°/3° | 0.0 mm |
| 2024-12-09 | 小雨 | 11°/4° | 5.4 mm |
| 2024-12-10 | 小雨 | 14°/7° | 1.8 mm |
| 2024-12-11 | 中雪 | 10°/-2° | 4.8 mm |
| 2024-12-12 | 阴 | 0°/-6° | 0.0 mm |
| 2024-12-13 | 阴 | -2°/-7° | 0.0 mm |
| 2024-12-14 | 阴 | 5°/-9° | 0.0 mm |
| 2024-12-15 | 小雨 | 6°/0° | 5.4 mm |
| 2024-12-16 | 小毛毛雨 | 13°/6° | 0.8 mm |
| 2024-12-17 | 小雨 | 13°/4° | 1.8 mm |
| 2024-12-18 | 中雪 | 3°/0° | 6.5 mm |
| 2024-12-19 | 阴 | 2°/0° | 0.0 mm |
| 2024-12-20 | 中雪 | 1°/0° | 1.1 mm |
| 2024-12-21 | 中雪 | 0°/-6° | 0.4 mm |
| 2024-12-22 | 阴 | -3°/-8° | 0.0 mm |
| 2024-12-23 | 阴 | 4°/-10° | 0.0 mm |
| 2024-12-24 | 小雪 | 5°/2° | 2.9 mm |
| 2024-12-25 | 雾 | 4°/1° | 0.0 mm |
| 2024-12-26 | 雾 | 7°/0° | 0.0 mm |
| 2024-12-27 | 阴 | 11°/-1° | 0.0 mm |
| 2024-12-28 | 阴 | 17°/8° | 0.0 mm |
| 2024-12-29 | 中雨 | 17°/7° | 5.4 mm |
| 2024-12-30 | 阴 | 9°/3° | 0.0 mm |
| 2024-12-31 | 小雨 | 11°/0° | 4.4 mm |
2024年12月华盛顿共记录 31 天，平均最高 5℃、最低 -1℃，降水日 13 天。