| 日期 | 天气 | 高/低 | 降水 |
|---|---|---|---|
| 2025-12-01 | 阴 | 5°/-4° | 0.0 mm |
| 2025-12-02 | 阴 | 8°/-1° | 0.0 mm |
| 2025-12-03 | 阴 | 3°/-3° | 0.0 mm |
| 2025-12-04 | 阴 | 1°/-6° | 0.0 mm |
| 2025-12-05 | 晴天 | 2°/-6° | 0.0 mm |
| 2025-12-06 | 阴 | 4°/-5° | 0.0 mm |
| 2025-12-07 | 阴 | 5°/-3° | 0.0 mm |
| 2025-12-08 | 小毛毛雨 | 7°/-1° | 0.1 mm |
| 2025-12-09 | 小毛毛雨 | 8°/0° | 0.1 mm |
| 2025-12-10 | 阴 | 9°/0° | 0.0 mm |
| 2025-12-11 | 小雨 | 7°/1° | 2.0 mm |
| 2025-12-12 | 小雪 | 2°/-2° | 5.1 mm |
| 2025-12-13 | 阴 | 2°/-2° | 0.0 mm |
| 2025-12-14 | 小阵雪 | 1°/-4° | 1.7 mm |
| 2025-12-15 | 阴 | 0°/-6° | 0.0 mm |
| 2025-12-16 | 阴 | 2°/-3° | 0.0 mm |
| 2025-12-17 | 中雪 | -3°/-8° | 6.7 mm |
| 2025-12-18 | 小雪 | -5°/-10° | 1.0 mm |
| 2025-12-19 | 中雪 | -4°/-9° | 3.3 mm |
| 2025-12-20 | 中雪 | -6°/-13° | 5.9 mm |
| 2025-12-21 | 小阵雪 | -5°/-12° | 2.7 mm |
| 2025-12-22 | 阴 | -4°/-12° | 0.0 mm |
| 2025-12-23 | 阴 | -1°/-8° | 0.0 mm |
| 2025-12-24 | 阴 | 0°/-6° | 0.0 mm |
| 2025-12-25 | 阴 | -3°/-9° | 0.0 mm |
| 2025-12-26 | 阴 | -3°/-9° | 0.0 mm |
| 2025-12-27 | 阴 | -1°/-8° | 0.0 mm |
| 2025-12-28 | 阴 | 0°/-7° | 0.0 mm |
| 2025-12-29 | 大雪 | 0°/-5° | 8.2 mm |
| 2025-12-30 | 中雪 | 0°/-10° | 1.4 mm |
| 2025-12-31 | 晴天 | -6°/-13° | 0.0 mm |
2025年12月古昌共记录 31 天，平均最高 0℃、最低 -5℃，降水日 12 天。