| 日期 | 天气 | 高/低 | 降水 |
|---|---|---|---|
| 2023-12-01 | 阴 | 4°/-8° | 0.0 mm |
| 2023-12-02 | 阴 | 5°/-5° | 0.0 mm |
| 2023-12-03 | 阴 | 5°/-3° | 0.0 mm |
| 2023-12-04 | 阴 | 14°/-2° | 0.0 mm |
| 2023-12-05 | 多云 | 14°/-2° | 0.0 mm |
| 2023-12-06 | 晴间多云 | 18°/3° | 0.0 mm |
| 2023-12-07 | 晴天 | 17°/0° | 0.0 mm |
| 2023-12-08 | 阴 | 6°/-3° | 0.0 mm |
| 2023-12-09 | 阴 | 2°/-7° | 0.0 mm |
| 2023-12-10 | 阴 | 8°/-7° | 0.0 mm |
| 2023-12-11 | 阴 | 10°/0° | 0.0 mm |
| 2023-12-12 | 雾 | 3°/-3° | 0.0 mm |
| 2023-12-13 | 中雪 | 3°/-5° | 0.8 mm |
| 2023-12-14 | 大雪 | 1°/-1° | 2.9 mm |
| 2023-12-15 | 雾 | 9°/-1° | 0.0 mm |
| 2023-12-16 | 晴天 | 12°/-4° | 0.0 mm |
| 2023-12-17 | 多云 | 12°/0° | 0.0 mm |
| 2023-12-18 | 阴 | 13°/-4° | 0.0 mm |
| 2023-12-19 | 阴 | 16°/3° | 0.0 mm |
| 2023-12-20 | 阴 | 15°/3° | 0.0 mm |
| 2023-12-21 | 阴 | 15°/3° | 0.0 mm |
| 2023-12-22 | 阴 | 14°/0° | 0.0 mm |
| 2023-12-23 | 阴 | 11°/1° | 0.0 mm |
| 2023-12-24 | 中雪 | 3°/-7° | 4.9 mm |
| 2023-12-25 | 阴 | -2°/-10° | 0.0 mm |
| 2023-12-26 | 大雪 | 0°/-6° | 12.9 mm |
| 2023-12-27 | 阴 | 3°/-2° | 0.0 mm |
| 2023-12-28 | 雾 | 4°/-4° | 0.0 mm |
| 2023-12-29 | 多云 | 8°/-5° | 0.0 mm |
| 2023-12-30 | 阴 | 10°/-4° | 0.0 mm |
| 2023-12-31 | 阴 | 1°/-5° | 0.0 mm |
2023年12月华盛顿共记录 31 天，平均最高 8℃、最低 -2℃，降水日 4 天。