| 日期 | 天气 | 高/低 | 降水 |
|---|---|---|---|
| 2025-12-01 | 多云 | 4°/-4° | 0.0 mm |
| 2025-12-02 | 阴 | 3°/-6° | 0.0 mm |
| 2025-12-03 | 雾 | 0°/-2° | 0.0 mm |
| 2025-12-04 | 雾 | 0°/-12° | 0.0 mm |
| 2025-12-05 | 雾 | 2°/-8° | 0.0 mm |
| 2025-12-06 | 阴 | 4°/-4° | 0.0 mm |
| 2025-12-07 | 晴天 | 8°/-3° | 0.0 mm |
| 2025-12-08 | 晴天 | 9°/-5° | 0.0 mm |
| 2025-12-09 | 晴天 | 11°/-5° | 0.0 mm |
| 2025-12-10 | 晴天 | 11°/-1° | 0.0 mm |
| 2025-12-11 | 晴天 | 12°/-1° | 0.0 mm |
| 2025-12-12 | 晴天 | 11°/-1° | 0.0 mm |
| 2025-12-13 | 晴天 | 11°/-2° | 0.0 mm |
| 2025-12-14 | 晴间多云 | 12°/-3° | 0.0 mm |
| 2025-12-15 | 阴 | 10°/-2° | 0.0 mm |
| 2025-12-16 | 晴天 | 14°/-6° | 0.0 mm |
| 2025-12-17 | 晴间多云 | 11°/-3° | 0.0 mm |
| 2025-12-18 | 多云 | 11°/-1° | 0.0 mm |
| 2025-12-19 | 阴 | 13°/0° | 0.0 mm |
| 2025-12-20 | 多云 | 12°/1° | 0.0 mm |
| 2025-12-21 | 多云 | 14°/1° | 0.0 mm |
| 2025-12-22 | 阴 | 15°/3° | 0.0 mm |
| 2025-12-23 | 阴 | 16°/0° | 0.0 mm |
| 2025-12-24 | 阴 | 14°/6° | 0.0 mm |
| 2025-12-25 | 大毛毛雨 | 12°/6° | 1.5 mm |
| 2025-12-26 | 阴 | 11°/1° | 0.0 mm |
| 2025-12-27 | 阴 | 8°/0° | 0.0 mm |
| 2025-12-28 | 阴 | 5°/-4° | 0.0 mm |
| 2025-12-29 | 晴天 | 5°/-8° | 0.0 mm |
| 2025-12-30 | 晴天 | 7°/-8° | 0.0 mm |
| 2025-12-31 | 阴 | 8°/-7° | 0.0 mm |
2025年12月蒙特苏马共记录 31 天，平均最高 9℃、最低 -2℃，降水日 1 天。