| 日期 | 天气 | 高/低 | 降水 |
|---|---|---|---|
| 2025-01-01 | 阴 | 9°/5° | 0.0 mm |
| 2025-01-02 | 阴 | 5°/1° | 0.0 mm |
| 2025-01-03 | 中雪 | 6°/-3° | 2.5 mm |
| 2025-01-04 | 多云 | 0°/-4° | 0.0 mm |
| 2025-01-05 | 阴 | 1°/-5° | 0.0 mm |
| 2025-01-06 | 大雪 | 0°/-3° | 17.3 mm |
| 2025-01-07 | 阴 | 1°/-7° | 0.0 mm |
| 2025-01-08 | 阴 | 0°/-4° | 0.0 mm |
| 2025-01-09 | 阴 | 0°/-5° | 0.0 mm |
| 2025-01-10 | 阴 | 0°/-6° | 0.0 mm |
| 2025-01-11 | 中雪 | 2°/-2° | 2.2 mm |
| 2025-01-12 | 阴 | 5°/-3° | 0.0 mm |
| 2025-01-13 | 阴 | 9°/-3° | 0.0 mm |
| 2025-01-14 | 阴 | 2°/-5° | 0.0 mm |
| 2025-01-15 | 阴 | 0°/-5° | 0.0 mm |
| 2025-01-16 | 阴 | 1°/-8° | 0.0 mm |
| 2025-01-17 | 阴 | 6°/0° | 0.0 mm |
| 2025-01-18 | 小毛毛雨 | 6°/0° | 0.4 mm |
| 2025-01-19 | 大雪 | 3°/-2° | 6.6 mm |
| 2025-01-20 | 阴 | -3°/-8° | 0.0 mm |
| 2025-01-21 | 阴 | -5°/-10° | 0.0 mm |
| 2025-01-22 | 阴 | -5°/-10° | 0.0 mm |
| 2025-01-23 | 多云 | -1°/-12° | 0.0 mm |
| 2025-01-24 | 阴 | 3°/-8° | 0.0 mm |
| 2025-01-25 | 阴 | 4°/-7° | 0.0 mm |
| 2025-01-26 | 阴 | 9°/0° | 0.0 mm |
| 2025-01-27 | 阴 | 9°/-2° | 0.0 mm |
| 2025-01-28 | 阴 | 10°/0° | 0.0 mm |
| 2025-01-29 | 阴 | 16°/3° | 0.0 mm |
| 2025-01-30 | 阴 | 11°/0° | 0.0 mm |
| 2025-01-31 | 大雨 | 11°/5° | 14.5 mm |
2025年01月华盛顿共记录 31 天，平均最高 3℃、最低 -3℃，降水日 6 天。