| 日期 | 天气 | 高/低 | 降水 |
|---|---|---|---|
| 2025-01-01 | 阴 | 3°/-1° | 0.0 mm |
| 2025-01-02 | 阴 | 7°/-3° | 0.0 mm |
| 2025-01-03 | 阴 | 3°/-2° | 0.0 mm |
| 2025-01-04 | 阴 | 0°/-2° | 0.0 mm |
| 2025-01-05 | 大雪 | -1°/-6° | 28.0 mm |
| 2025-01-06 | 中雪 | -5°/-10° | 2.3 mm |
| 2025-01-07 | 雾 | -3°/-10° | 0.0 mm |
| 2025-01-08 | 雾 | -3°/-13° | 0.0 mm |
| 2025-01-09 | 雾 | 0°/-14° | 0.0 mm |
| 2025-01-10 | 中雪 | 0°/-2° | 9.4 mm |
| 2025-01-11 | 雾 | 1°/-6° | 0.0 mm |
| 2025-01-12 | 雾 | 5°/-3° | 0.0 mm |
| 2025-01-13 | 雾 | 0°/-9° | 0.0 mm |
| 2025-01-14 | 晴天 | 0°/-9° | 0.0 mm |
| 2025-01-15 | 阴 | 0°/-10° | 0.0 mm |
| 2025-01-16 | 晴天 | 7°/-1° | 0.0 mm |
| 2025-01-17 | 小雨 | 13°/-1° | 2.1 mm |
| 2025-01-18 | 小毛毛雨 | 5°/-5° | 0.4 mm |
| 2025-01-19 | 阴 | -5°/-13° | 0.0 mm |
| 2025-01-20 | 阴 | -6°/-17° | 0.0 mm |
| 2025-01-21 | 多云 | -10°/-16° | 0.0 mm |
| 2025-01-22 | 阴 | 1°/-13° | 0.0 mm |
| 2025-01-23 | 阴 | 0°/-7° | 0.0 mm |
| 2025-01-24 | 晴间多云 | 2°/-13° | 0.0 mm |
| 2025-01-25 | 晴间多云 | 10°/-2° | 0.0 mm |
| 2025-01-26 | 雾 | 3°/-4° | 0.0 mm |
| 2025-01-27 | 晴天 | 8°/-8° | 0.0 mm |
| 2025-01-28 | 晴天 | 16°/0° | 0.0 mm |
| 2025-01-29 | 阴 | 15°/2° | 0.0 mm |
| 2025-01-30 | 中雨 | 10°/3° | 10.8 mm |
| 2025-01-31 | 小毛毛雨 | 11°/6° | 0.4 mm |
2025年01月华盛顿共记录 31 天，平均最高 2℃、最低 -6℃，降水日 7 天。