| 日期 | 天气 | 高/低 | 降水 |
|---|---|---|---|
| 2025-01-01 | 小雪 | 4°/0° | 4.7 mm |
| 2025-01-02 | 阴 | 3°/0° | 0.0 mm |
| 2025-01-03 | 阴 | 1°/-5° | 0.0 mm |
| 2025-01-04 | 阴 | -3°/-7° | 0.0 mm |
| 2025-01-05 | 阴 | -2°/-12° | 0.0 mm |
| 2025-01-06 | 阴 | -9°/-15° | 0.0 mm |
| 2025-01-07 | 阴 | -5°/-12° | 0.0 mm |
| 2025-01-08 | 雾 | -5°/-10° | 0.0 mm |
| 2025-01-09 | 雾 | -4°/-10° | 0.0 mm |
| 2025-01-10 | 阴 | 0°/-9° | 0.0 mm |
| 2025-01-11 | 中雪 | -4°/-7° | 1.6 mm |
| 2025-01-12 | 阴 | 0°/-14° | 0.0 mm |
| 2025-01-13 | 阴 | 0°/-8° | 0.0 mm |
| 2025-01-14 | 阴 | -1°/-6° | 0.0 mm |
| 2025-01-15 | 阴 | -3°/-8° | 0.0 mm |
| 2025-01-16 | 雾 | -2°/-10° | 0.0 mm |
| 2025-01-17 | 阴 | 0°/-10° | 0.0 mm |
| 2025-01-18 | 中雪 | 5°/-3° | 2.6 mm |
| 2025-01-19 | 阴 | 1°/-9° | 0.0 mm |
| 2025-01-20 | 中雪 | -6°/-14° | 0.8 mm |
| 2025-01-21 | 阴 | -8°/-16° | 0.0 mm |
| 2025-01-22 | 阴 | -9°/-23° | 0.0 mm |
| 2025-01-23 | 阴 | -3°/-12° | 0.0 mm |
| 2025-01-24 | 阴 | -2°/-15° | 0.0 mm |
| 2025-01-25 | 多云 | -3°/-15° | 0.0 mm |
| 2025-01-26 | 阴 | 2°/-8° | 0.0 mm |
| 2025-01-27 | 阴 | 3°/-5° | 0.0 mm |
| 2025-01-28 | 阴 | 1°/-8° | 0.0 mm |
| 2025-01-29 | 中雪 | 3°/-8° | 3.9 mm |
| 2025-01-30 | 阴 | -3°/-12° | 0.0 mm |
| 2025-01-31 | 大雪 | 0°/-8° | 10.1 mm |
2025年01月华盛顿共记录 31 天，平均最高 -1℃、最低 -9℃，降水日 6 天。