| 日期 | 天气 | 高/低 | 降水 |
|---|---|---|---|
| 2025-12-01 | 阴 | -16°/-22° | 0.0 mm |
| 2025-12-02 | 晴间多云 | -15°/-21° | 0.0 mm |
| 2025-12-03 | 阴 | -11°/-17° | 0.0 mm |
| 2025-12-04 | 阴 | -9°/-15° | 0.0 mm |
| 2025-12-05 | 阴 | -8°/-14° | 0.0 mm |
| 2025-12-06 | 阴 | -9°/-17° | 0.0 mm |
| 2025-12-07 | 阴 | -12°/-17° | 0.0 mm |
| 2025-12-08 | 阴 | -10°/-15° | 0.0 mm |
| 2025-12-09 | 阴 | -10°/-15° | 0.0 mm |
| 2025-12-10 | 中雪 | -11°/-16° | 1.0 mm |
| 2025-12-11 | 中雪 | -11°/-18° | 2.7 mm |
| 2025-12-12 | 阴 | -15°/-21° | 0.0 mm |
| 2025-12-13 | 阴 | -13°/-19° | 0.0 mm |
| 2025-12-14 | 小毛毛雨 | -10°/-16° | 0.1 mm |
| 2025-12-15 | 阴 | -7°/-14° | 0.0 mm |
| 2025-12-16 | 阴 | -7°/-13° | 0.0 mm |
| 2025-12-17 | 阴 | -4°/-9° | 0.0 mm |
| 2025-12-18 | 阴 | -3°/-20° | 0.0 mm |
| 2025-12-19 | 小雪 | -14°/-19° | 0.3 mm |
| 2025-12-20 | 阴 | -13°/-20° | 0.0 mm |
| 2025-12-21 | 阴 | -12°/-18° | 0.0 mm |
| 2025-12-22 | 小雪 | -9°/-18° | 0.2 mm |
| 2025-12-23 | 阴 | -12°/-17° | 0.0 mm |
| 2025-12-24 | 晴间多云 | -12°/-18° | 0.0 mm |
| 2025-12-25 | 阴 | -11°/-18° | 0.0 mm |
| 2025-12-26 | 阴 | -12°/-18° | 0.0 mm |
| 2025-12-27 | 阴 | -11°/-16° | 0.0 mm |
| 2025-12-28 | 阴 | -13°/-19° | 0.0 mm |
| 2025-12-29 | 晴天 | -15°/-20° | 0.0 mm |
| 2025-12-30 | 晴天 | -15°/-20° | 0.0 mm |
| 2025-12-31 | 晴天 | -15°/-20° | 0.0 mm |
2025年12月蒙古共记录 31 天，平均最高 -11℃、最低 -17℃，降水日 5 天。