| 日期 | 天气 | 高/低 | 降水 |
|---|---|---|---|
| 2026-01-01 | 阴 | 9°/-3° | 0.0 mm |
| 2026-01-02 | 雾 | 1°/0° | 0.0 mm |
| 2026-01-03 | 阴 | 4°/-1° | 0.0 mm |
| 2026-01-04 | 阴 | 7°/-5° | 0.0 mm |
| 2026-01-05 | 晴间多云 | 13°/0° | 0.0 mm |
| 2026-01-06 | 阴 | 18°/8° | 0.0 mm |
| 2026-01-07 | 阴 | 17°/0° | 0.0 mm |
| 2026-01-08 | 阴 | 19°/5° | 0.0 mm |
| 2026-01-09 | 小毛毛雨 | 19°/6° | 0.4 mm |
| 2026-01-10 | 阴 | 6°/1° | 0.0 mm |
| 2026-01-11 | 阴 | 3°/-3° | 0.0 mm |
| 2026-01-12 | 晴间多云 | 9°/-4° | 0.0 mm |
| 2026-01-13 | 阴 | 15°/2° | 0.0 mm |
| 2026-01-14 | 大毛毛雨 | 11°/-2° | 1.5 mm |
| 2026-01-15 | 阴 | 0°/-7° | 0.0 mm |
| 2026-01-16 | 小雪 | 6°/-3° | 1.4 mm |
| 2026-01-17 | 阴 | 1°/-7° | 0.0 mm |
| 2026-01-18 | 阴 | -2°/-11° | 0.0 mm |
| 2026-01-19 | 多云 | -2°/-10° | 0.0 mm |
| 2026-01-20 | 阴 | 1°/-13° | 0.0 mm |
| 2026-01-21 | 雾 | 7°/-3° | 0.0 mm |
| 2026-01-22 | 阴 | 5°/-4° | 0.0 mm |
| 2026-01-23 | 阴 | -4°/-13° | 0.0 mm |
| 2026-01-24 | 大雪 | -10°/-13° | 12.1 mm |
| 2026-01-25 | 大雪 | -10°/-12° | 33.6 mm |
| 2026-01-26 | 阴 | -9°/-18° | 0.0 mm |
| 2026-01-27 | 雾 | 0°/-11° | 0.0 mm |
| 2026-01-28 | 雾 | 0°/-15° | 0.0 mm |
| 2026-01-29 | 阴 | 0°/-9° | 0.0 mm |
| 2026-01-30 | 雾 | -6°/-11° | 0.0 mm |
| 2026-01-31 | 阴 | -7°/-13° | 0.0 mm |
2026年01月威廉森共记录 31 天，平均最高 3℃、最低 -5℃，降水日 5 天。