| 日期 | 天气 | 高/低 | 降水 |
|---|---|---|---|
| 2025-01-01 | 小雨 | 4°/-2° | 1.8 mm |
| 2025-01-02 | 小雪 | 4°/0° | 5.1 mm |
| 2025-01-03 | 阴 | -1°/-5° | 0.0 mm |
| 2025-01-04 | 多云 | -5°/-12° | 0.0 mm |
| 2025-01-05 | 阴 | -9°/-13° | 0.0 mm |
| 2025-01-06 | 阴 | -5°/-13° | 0.0 mm |
| 2025-01-07 | 小毛毛雨 | -5°/-11° | 0.1 mm |
| 2025-01-08 | 中雪 | -5°/-10° | 0.5 mm |
| 2025-01-09 | 阴 | -1°/-10° | 0.0 mm |
| 2025-01-10 | 阴 | 0°/-3° | 0.0 mm |
| 2025-01-11 | 中雪 | 0°/-3° | 1.5 mm |
| 2025-01-12 | 小毛毛雨 | -3°/-6° | 0.2 mm |
| 2025-01-13 | 雾 | -2°/-7° | 0.0 mm |
| 2025-01-14 | 中雪 | 0°/-5° | 0.5 mm |
| 2025-01-15 | 阴 | -4°/-9° | 0.0 mm |
| 2025-01-16 | 阴 | -5°/-12° | 0.0 mm |
| 2025-01-17 | 雾 | -2°/-15° | 0.0 mm |
| 2025-01-18 | 毛毛雨 | 2°/-12° | 1.5 mm |
| 2025-01-19 | 中雪 | 5°/-2° | 8.7 mm |
| 2025-01-20 | 大雪 | -3°/-16° | 17.7 mm |
| 2025-01-21 | 阴 | -9°/-21° | 0.0 mm |
| 2025-01-22 | 阴 | -10°/-22° | 0.0 mm |
| 2025-01-23 | 阴 | -5°/-19° | 0.0 mm |
| 2025-01-24 | 雾 | -5°/-13° | 0.0 mm |
| 2025-01-25 | 晴间多云 | -7°/-18° | 0.0 mm |
| 2025-01-26 | 雾 | 0°/-18° | 0.0 mm |
| 2025-01-27 | 阴 | 0°/-12° | 0.0 mm |
| 2025-01-28 | 阴 | 0°/-13° | 0.0 mm |
| 2025-01-29 | 中雪 | -8°/-13° | 3.2 mm |
| 2025-01-30 | 阴 | -11°/-15° | 0.0 mm |
| 2025-01-31 | 中雪 | -2°/-15° | 0.8 mm |
2025年01月华盛顿共记录 31 天，平均最高 -2℃、最低 -11℃，降水日 12 天。