| 日期 | 天气 | 高/低 | 降水 |
|---|---|---|---|
| 2025-12-01 | 阴 | 2°/-6° | 0.0 mm |
| 2025-12-02 | 大雪 | -2°/-7° | 11.2 mm |
| 2025-12-03 | 中雪 | -2°/-8° | 0.4 mm |
| 2025-12-04 | 大雪 | 0°/-12° | 1.8 mm |
| 2025-12-05 | 雾 | -8°/-19° | 0.0 mm |
| 2025-12-06 | 阴 | -1°/-12° | 0.0 mm |
| 2025-12-07 | 阴 | -1°/-5° | 0.0 mm |
| 2025-12-08 | 多云 | -6°/-17° | 0.0 mm |
| 2025-12-09 | 阴 | -7°/-23° | 0.0 mm |
| 2025-12-10 | 大雪 | 0°/-7° | 9.9 mm |
| 2025-12-11 | 阴 | 1°/-7° | 0.0 mm |
| 2025-12-12 | 阴 | -1°/-11° | 0.0 mm |
| 2025-12-13 | 阴 | -2°/-4° | 0.0 mm |
| 2025-12-14 | 阴 | -3°/-10° | 0.0 mm |
| 2025-12-15 | 阴 | -6°/-17° | 0.0 mm |
| 2025-12-16 | 雾 | -2°/-10° | 0.0 mm |
| 2025-12-17 | 雾 | 2°/-7° | 0.0 mm |
| 2025-12-18 | 阴 | 3°/-8° | 0.0 mm |
| 2025-12-19 | 大雨 | 11°/0° | 17.7 mm |
| 2025-12-20 | 阴 | 0°/-4° | 0.0 mm |
| 2025-12-21 | 阴 | 1°/-1° | 0.0 mm |
| 2025-12-22 | 阴 | -2°/-7° | 0.0 mm |
| 2025-12-23 | 中雪 | 0°/-3° | 5.1 mm |
| 2025-12-24 | 小毛毛雨 | 1°/-7° | 0.4 mm |
| 2025-12-25 | 阴 | 0°/-9° | 0.0 mm |
| 2025-12-26 | 大雪 | -10°/-14° | 3.2 mm |
| 2025-12-27 | 中雪 | -5°/-13° | 4.0 mm |
| 2025-12-28 | 强冻毛毛雨 | -6°/-16° | 0.7 mm |
| 2025-12-29 | 强冻雨 | 1°/-6° | 24.1 mm |
| 2025-12-30 | 阴 | -4°/-8° | 0.0 mm |
| 2025-12-31 | 阴 | -3°/-8° | 0.0 mm |
2025年12月华盛顿共记录 31 天，平均最高 -1℃、最低 -9℃，降水日 11 天。