| 日期 | 天气 | 高/低 | 降水 |
|---|---|---|---|
| 2023-12-01 | 毛毛雨 | 20°/14° | 0.0 mm |
| 2023-12-02 | 小毛毛雨 | 19°/10° | 0.0 mm |
| 2023-12-03 | 阴 | 22°/7° | 0.0 mm |
| 2023-12-04 | 晴间多云 | 20°/8° | 0.0 mm |
| 2023-12-05 | 阴 | 21°/5° | 0.0 mm |
| 2023-12-06 | 阴 | 20°/6° | 0.0 mm |
| 2023-12-07 | 阴 | 22°/6° | 0.0 mm |
| 2023-12-08 | 小毛毛雨 | 25°/18° | 0.1 mm |
| 2023-12-09 | 小毛毛雨 | 26°/15° | 0.0 mm |
| 2023-12-10 | 晴天 | 14°/3° | 0.0 mm |
| 2023-12-11 | 多云 | 18°/0° | 0.0 mm |
| 2023-12-12 | 阴 | 20°/4° | 0.0 mm |
| 2023-12-13 | 毛毛雨 | 17°/10° | 0.7 mm |
| 2023-12-14 | 小毛毛雨 | 22°/10° | 0.0 mm |
| 2023-12-15 | 小毛毛雨 | 19°/14° | 0.0 mm |
| 2023-12-16 | 毛毛雨 | 16°/8° | 2.5 mm |
| 2023-12-17 | 晴间多云 | 19°/3° | 0.0 mm |
| 2023-12-18 | 阴 | 21°/5° | 0.0 mm |
| 2023-12-19 | 阴 | 19°/4° | 0.0 mm |
| 2023-12-20 | 小毛毛雨 | 22°/10° | 0.0 mm |
| 2023-12-21 | 阴 | 19°/15° | 0.0 mm |
| 2023-12-22 | 毛毛雨 | 20°/15° | 0.0 mm |
| 2023-12-23 | 中雨 | 22°/16° | 12.6 mm |
| 2023-12-24 | 中雨 | 20°/15° | 20.9 mm |
| 2023-12-25 | 阴 | 14°/6° | 0.0 mm |
| 2023-12-26 | 阴 | 13°/2° | 0.0 mm |
| 2023-12-27 | 晴间多云 | 16°/4° | 0.0 mm |
| 2023-12-28 | 多云 | 14°/2° | 0.0 mm |
| 2023-12-29 | 晴天 | 13°/1° | 0.0 mm |
| 2023-12-30 | 晴天 | 18°/0° | 0.0 mm |
| 2023-12-31 | 阴 | 22°/5° | 0.0 mm |
2023年12月华盛顿共记录 31 天，平均最高 19℃、最低 7℃，降水日 12 天。