| 日期 | 天气 | 高/低 | 降水 |
|---|---|---|---|
| 2025-01-01 | 阴 | 4°/-1° | 0.0 mm |
| 2025-01-02 | 阴 | 6°/-2° | 0.0 mm |
| 2025-01-03 | 阴 | 4°/-1° | 0.0 mm |
| 2025-01-04 | 阴 | 1°/-1° | 0.0 mm |
| 2025-01-05 | 大雪 | 0°/-2° | 28.5 mm |
| 2025-01-06 | 中雪 | -2°/-6° | 3.6 mm |
| 2025-01-07 | 小毛毛雨 | -2°/-6° | 0.5 mm |
| 2025-01-08 | 雾 | -3°/-10° | 0.0 mm |
| 2025-01-09 | 雾 | -1°/-12° | 0.0 mm |
| 2025-01-10 | 大雪 | 0°/-5° | 11.8 mm |
| 2025-01-11 | 雾 | 1°/-4° | 0.0 mm |
| 2025-01-12 | 阴 | 3°/-4° | 0.0 mm |
| 2025-01-13 | 阴 | 1°/-11° | 0.0 mm |
| 2025-01-14 | 雾 | 2°/-10° | 0.0 mm |
| 2025-01-15 | 雾 | 0°/-14° | 0.0 mm |
| 2025-01-16 | 晴天 | 5°/-3° | 0.0 mm |
| 2025-01-17 | 小雨 | 11°/-3° | 1.4 mm |
| 2025-01-18 | 中雨 | 6°/-1° | 11.4 mm |
| 2025-01-19 | 阴 | -1°/-12° | 0.0 mm |
| 2025-01-20 | 多云 | -7°/-13° | 0.0 mm |
| 2025-01-21 | 阴 | -10°/-15° | 0.0 mm |
| 2025-01-22 | 阴 | 0°/-15° | 0.0 mm |
| 2025-01-23 | 阴 | 3°/-6° | 0.0 mm |
| 2025-01-24 | 阴 | 0°/-12° | 0.0 mm |
| 2025-01-25 | 阴 | 9°/-4° | 0.0 mm |
| 2025-01-26 | 阴 | 4°/-1° | 0.0 mm |
| 2025-01-27 | 阴 | 6°/-5° | 0.0 mm |
| 2025-01-28 | 晴天 | 13°/-2° | 0.0 mm |
| 2025-01-29 | 晴天 | 13°/1° | 0.0 mm |
| 2025-01-30 | 大雨 | 9°/0° | 30.9 mm |
| 2025-01-31 | 小毛毛雨 | 14°/8° | 0.4 mm |
2025年01月威廉森共记录 31 天，平均最高 2℃、最低 -5℃，降水日 8 天。