| 日期 | 天气 | 高/低 | 降水 |
|---|---|---|---|
| 2024-12-01 | 晴天 | 16°/0° | 0.0 mm |
| 2024-12-02 | 晴天 | 15°/0° | 0.0 mm |
| 2024-12-03 | 晴天 | 12°/0° | 0.0 mm |
| 2024-12-04 | 阴 | 15°/-2° | 0.0 mm |
| 2024-12-05 | 小毛毛雨 | 19°/10° | 0.4 mm |
| 2024-12-06 | 晴天 | 12°/2° | 0.0 mm |
| 2024-12-07 | 阴 | 15°/0° | 0.0 mm |
| 2024-12-08 | 阴 | 20°/2° | 0.0 mm |
| 2024-12-09 | 中雨 | 23°/14° | 3.2 mm |
| 2024-12-10 | 强阵雨 | 25°/20° | 33.2 mm |
| 2024-12-11 | 大雨 | 22°/4° | 8.0 mm |
| 2024-12-12 | 晴天 | 14°/1° | 0.0 mm |
| 2024-12-13 | 晴间多云 | 18°/1° | 0.0 mm |
| 2024-12-14 | 阴 | 23°/9° | 0.0 mm |
| 2024-12-15 | 阴 | 20°/13° | 0.0 mm |
| 2024-12-16 | 雾 | 24°/10° | 0.0 mm |
| 2024-12-17 | 多云 | 25°/11° | 0.0 mm |
| 2024-12-18 | 雾 | 25°/15° | 0.0 mm |
| 2024-12-19 | 雾 | 18°/9° | 0.0 mm |
| 2024-12-20 | 多云 | 17°/4° | 0.0 mm |
| 2024-12-21 | 晴天 | 12°/1° | 0.0 mm |
| 2024-12-22 | 晴天 | 13°/-1° | 0.0 mm |
| 2024-12-23 | 阴 | 16°/1° | 0.0 mm |
| 2024-12-24 | 雾 | 18°/1° | 0.0 mm |
| 2024-12-25 | 阴 | 18°/4° | 0.0 mm |
| 2024-12-26 | 小毛毛雨 | 16°/10° | 0.8 mm |
| 2024-12-27 | 雾 | 18°/12° | 0.0 mm |
| 2024-12-28 | 小毛毛雨 | 21°/16° | 0.4 mm |
| 2024-12-29 | 大雨 | 23°/12° | 31.7 mm |
| 2024-12-30 | 阴 | 22°/7° | 0.0 mm |
| 2024-12-31 | 雾 | 24°/13° | 0.0 mm |
2024年12月华盛顿共记录 31 天，平均最高 18℃、最低 6℃，降水日 7 天。