| 日期 | 天气 | 高/低 | 降水 |
|---|---|---|---|
| 2024-12-01 | 阴 | 0°/-5° | 0.0 mm |
| 2024-12-02 | 阴 | 0°/-6° | 0.0 mm |
| 2024-12-03 | 阴 | 1°/-1° | 0.0 mm |
| 2024-12-04 | 中雪 | 0°/-8° | 0.8 mm |
| 2024-12-05 | 中雪 | 2°/0° | 3.0 mm |
| 2024-12-06 | 阴 | 0°/-5° | 0.0 mm |
| 2024-12-07 | 阴 | 0°/-6° | 0.0 mm |
| 2024-12-08 | 中雪 | 4°/-1° | 3.2 mm |
| 2024-12-09 | 大雪 | 1°/-1° | 6.2 mm |
| 2024-12-10 | 雾 | 4°/0° | 0.0 mm |
| 2024-12-11 | 中雨 | 5°/2° | 34.6 mm |
| 2024-12-12 | 中雪 | 2°/-5° | 4.8 mm |
| 2024-12-13 | 多云 | -1°/-7° | 0.0 mm |
| 2024-12-14 | 阴 | -2°/-11° | 0.0 mm |
| 2024-12-15 | 阴 | -3°/-12° | 0.0 mm |
| 2024-12-16 | 中雪 | 0°/-4° | 0.8 mm |
| 2024-12-17 | 中雨 | 9°/0° | 9.0 mm |
| 2024-12-18 | 小雪 | 6°/2° | 4.7 mm |
| 2024-12-19 | 小雪 | 3°/-1° | 0.7 mm |
| 2024-12-20 | 中雪 | -1°/-4° | 0.8 mm |
| 2024-12-21 | 中雪 | -5°/-12° | 0.8 mm |
| 2024-12-22 | 阴 | -11°/-18° | 0.0 mm |
| 2024-12-23 | 阴 | -8°/-21° | 0.0 mm |
| 2024-12-24 | 中雪 | -3°/-9° | 3.3 mm |
| 2024-12-25 | 雾 | -5°/-13° | 0.0 mm |
| 2024-12-26 | 雾 | -5°/-16° | 0.0 mm |
| 2024-12-27 | 雾 | -4°/-14° | 0.0 mm |
| 2024-12-28 | 雾 | 0°/-8° | 0.0 mm |
| 2024-12-29 | 中雨 | 3°/0° | 2.9 mm |
| 2024-12-30 | 大雨 | 11°/3° | 21.9 mm |
| 2024-12-31 | 阴 | 8°/0° | 0.0 mm |
2024年12月华盛顿共记录 31 天，平均最高 0℃、最低 -5℃，降水日 15 天。