| 日期 | 天气 | 高/低 | 降水 |
|---|---|---|---|
| 2025-01-01 | 阴 | 1°/-2° | 0.0 mm |
| 2025-01-02 | 阴 | 0°/-4° | 0.0 mm |
| 2025-01-03 | 阴 | 0°/-5° | 0.0 mm |
| 2025-01-04 | 阴 | 1°/-5° | 0.0 mm |
| 2025-01-05 | 小雪 | 4°/-2° | 0.9 mm |
| 2025-01-06 | 小毛毛雨 | 0°/-4° | 0.2 mm |
| 2025-01-07 | 多云 | -2°/-5° | 0.0 mm |
| 2025-01-08 | 阴 | -4°/-9° | 0.0 mm |
| 2025-01-09 | 阴 | -9°/-12° | 0.0 mm |
| 2025-01-10 | 晴天 | -6°/-12° | 0.0 mm |
| 2025-01-11 | 晴天 | -4°/-10° | 0.0 mm |
| 2025-01-12 | 晴天 | -2°/-8° | 0.0 mm |
| 2025-01-13 | 小雪 | 1°/-7° | 0.2 mm |
| 2025-01-14 | 阴 | 0°/-4° | 0.0 mm |
| 2025-01-15 | 晴天 | -4°/-8° | 0.0 mm |
| 2025-01-16 | 阴 | 0°/-7° | 0.0 mm |
| 2025-01-17 | 晴天 | 1°/-6° | 0.0 mm |
| 2025-01-18 | 阴 | 4°/-3° | 0.0 mm |
| 2025-01-19 | 阴 | 5°/-1° | 0.0 mm |
| 2025-01-20 | 多云 | 4°/-1° | 0.0 mm |
| 2025-01-21 | 阴 | 5°/-1° | 0.0 mm |
| 2025-01-22 | 多云 | 3°/-1° | 0.0 mm |
| 2025-01-23 | 晴天 | 2°/-3° | 0.0 mm |
| 2025-01-24 | 多云 | 3°/-2° | 0.0 mm |
| 2025-01-25 | 阴 | 5°/-2° | 0.0 mm |
| 2025-01-26 | 小雪 | 3°/-1° | 0.2 mm |
| 2025-01-27 | 小阵雪 | 0°/-5° | 13.7 mm |
| 2025-01-28 | 中雪 | -5°/-8° | 2.9 mm |
| 2025-01-29 | 阴 | -6°/-13° | 0.0 mm |
| 2025-01-30 | 阴 | -6°/-17° | 0.0 mm |
| 2025-01-31 | 阴 | -3°/-13° | 0.0 mm |
2025年01月大同共记录 31 天，平均最高 0℃、最低 -5℃，降水日 6 天。