| 日期 | 天气 | 高/低 | 降水 |
|---|---|---|---|
| 2025-12-01 | 阴 | 6°/0° | 0.0 mm |
| 2025-12-02 | 小雪 | 3°/0° | 9.7 mm |
| 2025-12-03 | 阴 | 5°/-1° | 0.0 mm |
| 2025-12-04 | 阴 | 5°/-3° | 0.0 mm |
| 2025-12-05 | 中雪 | 0°/-4° | 2.2 mm |
| 2025-12-06 | 阴 | 5°/-2° | 0.0 mm |
| 2025-12-07 | 阴 | 6°/-2° | 0.0 mm |
| 2025-12-08 | 阴 | 0°/-3° | 0.0 mm |
| 2025-12-09 | 阴 | 0°/-9° | 0.0 mm |
| 2025-12-10 | 阴 | 5°/-1° | 0.0 mm |
| 2025-12-11 | 阴 | 4°/0° | 0.0 mm |
| 2025-12-12 | 阴 | 2°/-4° | 0.0 mm |
| 2025-12-13 | 中雪 | 4°/-5° | 0.7 mm |
| 2025-12-14 | 中雪 | 1°/-8° | 4.7 mm |
| 2025-12-15 | 阴 | -3°/-8° | 0.0 mm |
| 2025-12-16 | 阴 | 4°/-9° | 0.0 mm |
| 2025-12-17 | 阴 | 9°/-2° | 0.0 mm |
| 2025-12-18 | 小雨 | 12°/-1° | 2.2 mm |
| 2025-12-19 | 大雨 | 14°/0° | 26.9 mm |
| 2025-12-20 | 多云 | 6°/-4° | 0.0 mm |
| 2025-12-21 | 阴 | 8°/1° | 0.0 mm |
| 2025-12-22 | 阴 | 7°/-4° | 0.0 mm |
| 2025-12-23 | 小毛毛雨 | 7°/2° | 1.2 mm |
| 2025-12-24 | 雾 | 12°/4° | 0.0 mm |
| 2025-12-25 | 阴 | 13°/2° | 0.0 mm |
| 2025-12-26 | 阴 | 4°/-1° | 0.0 mm |
| 2025-12-27 | 雾 | 4°/1° | 0.0 mm |
| 2025-12-28 | 阴 | 5°/1° | 0.0 mm |
| 2025-12-29 | 阴 | 11°/-1° | 0.0 mm |
| 2025-12-30 | 阴 | 0°/-2° | 0.0 mm |
| 2025-12-31 | 阴 | 0°/-4° | 0.0 mm |
2025年12月蒙哥马利共记录 31 天，平均最高 5℃、最低 -2℃，降水日 7 天。