| 日期 | 天气 | 高/低 | 降水 |
|---|---|---|---|
| 2025-12-01 | 小毛毛雨 | 9°/5° | 0.4 mm |
| 2025-12-02 | 阴 | 11°/1° | 0.0 mm |
| 2025-12-03 | 小毛毛雨 | 14°/3° | 0.4 mm |
| 2025-12-04 | 小雨 | 11°/6° | 1.8 mm |
| 2025-12-05 | 阴 | 10°/5° | 0.0 mm |
| 2025-12-06 | 阴 | 21°/6° | 0.0 mm |
| 2025-12-07 | 雾 | 22°/9° | 0.0 mm |
| 2025-12-08 | 晴间多云 | 13°/2° | 0.0 mm |
| 2025-12-09 | 晴间多云 | 19°/1° | 0.0 mm |
| 2025-12-10 | 晴天 | 22°/8° | 0.0 mm |
| 2025-12-11 | 晴天 | 20°/3° | 0.0 mm |
| 2025-12-12 | 雾 | 26°/10° | 0.0 mm |
| 2025-12-13 | 雾 | 23°/15° | 0.0 mm |
| 2025-12-14 | 大毛毛雨 | 18°/2° | 1.1 mm |
| 2025-12-15 | 阴 | 12°/-1° | 0.0 mm |
| 2025-12-16 | 阴 | 18°/2° | 0.0 mm |
| 2025-12-17 | 小毛毛雨 | 18°/13° | 0.4 mm |
| 2025-12-18 | 雾 | 24°/14° | 0.0 mm |
| 2025-12-19 | 晴天 | 20°/4° | 0.0 mm |
| 2025-12-20 | 雾 | 26°/9° | 0.0 mm |
| 2025-12-21 | 雾 | 21°/16° | 0.0 mm |
| 2025-12-22 | 阵雨 | 25°/15° | 1.8 mm |
| 2025-12-23 | 雾 | 26°/20° | 0.0 mm |
| 2025-12-24 | 阴 | 26°/19° | 0.0 mm |
| 2025-12-25 | 阴 | 26°/19° | 0.0 mm |
| 2025-12-26 | 阴 | 27°/21° | 0.0 mm |
| 2025-12-27 | 雾 | 27°/21° | 0.0 mm |
| 2025-12-28 | 阴 | 27°/17° | 0.0 mm |
| 2025-12-29 | 阴 | 14°/5° | 0.0 mm |
| 2025-12-30 | 晴间多云 | 12°/3° | 0.0 mm |
| 2025-12-31 | 晴天 | 20°/0° | 0.0 mm |
2025年12月华盛顿共记录 31 天，平均最高 19℃、最低 8℃，降水日 6 天。