| 日期 | 天气 | 高/低 | 降水 |
|---|---|---|---|
| 2023-12-01 | 小毛毛雨 | -2°/-8° | 0.0 mm |
| 2023-12-02 | 阴 | 0°/-5° | 0.0 mm |
| 2023-12-03 | 阴 | 4°/-3° | 0.0 mm |
| 2023-12-04 | 阴 | 7°/0° | 0.0 mm |
| 2023-12-05 | 晴天 | 10°/1° | 0.0 mm |
| 2023-12-06 | 阴 | 8°/3° | 0.0 mm |
| 2023-12-07 | 阴 | 4°/-2° | 0.0 mm |
| 2023-12-08 | 晴间多云 | -1°/-9° | 0.0 mm |
| 2023-12-09 | 多云 | -1°/-12° | 0.0 mm |
| 2023-12-10 | 阴 | 7°/-3° | 0.0 mm |
| 2023-12-11 | 阴 | 7°/1° | 0.0 mm |
| 2023-12-12 | 阴 | 3°/-4° | 0.0 mm |
| 2023-12-13 | 多云 | 1°/-4° | 0.0 mm |
| 2023-12-14 | 晴天 | 4°/-3° | 0.0 mm |
| 2023-12-15 | 阴 | 6°/-1° | 0.0 mm |
| 2023-12-16 | 阴 | 10°/2° | 0.0 mm |
| 2023-12-17 | 阴 | 9°/1° | 0.0 mm |
| 2023-12-18 | 阴 | 6°/3° | 0.0 mm |
| 2023-12-19 | 阴 | 5°/0° | 0.0 mm |
| 2023-12-20 | 阴 | 4°/0° | 0.0 mm |
| 2023-12-21 | 阴 | 5°/0° | 0.0 mm |
| 2023-12-22 | 小毛毛雨 | 2°/-1° | 1.2 mm |
| 2023-12-23 | 阴 | 1°/-3° | 0.0 mm |
| 2023-12-24 | 晴间多云 | 0°/-5° | 0.0 mm |
| 2023-12-25 | 阴 | 1°/-5° | 0.0 mm |
| 2023-12-26 | 阴 | 3°/-5° | 0.0 mm |
| 2023-12-27 | 阴 | 3°/-3° | 0.0 mm |
| 2023-12-28 | 阴 | 5°/-1° | 0.0 mm |
| 2023-12-29 | 阴 | 7°/0° | 0.0 mm |
| 2023-12-30 | 阴 | 3°/-2° | 0.0 mm |
| 2023-12-31 | 阴 | 0°/-5° | 0.0 mm |
2023年12月华盛顿共记录 31 天，平均最高 3℃、最低 -2℃，降水日 2 天。