| 日期 | 天气 | 高/低 | 降水 |
|---|---|---|---|
| 2025-12-01 | 中雪 | 1°/0° | 2.5 mm |
| 2025-12-02 | 阴 | 7°/0° | 0.0 mm |
| 2025-12-03 | 雾 | 5°/-1° | 0.0 mm |
| 2025-12-04 | 中雪 | 3°/1° | 1.5 mm |
| 2025-12-05 | 阴 | 6°/1° | 0.0 mm |
| 2025-12-06 | 雾 | 8°/1° | 0.0 mm |
| 2025-12-07 | 小毛毛雨 | 10°/4° | 0.4 mm |
| 2025-12-08 | 阴 | 8°/-1° | 0.0 mm |
| 2025-12-09 | 雾 | 9°/-2° | 0.0 mm |
| 2025-12-10 | 阴 | 16°/4° | 0.0 mm |
| 2025-12-11 | 阴 | 14°/-2° | 0.0 mm |
| 2025-12-12 | 晴天 | 21°/3° | 0.0 mm |
| 2025-12-13 | 雾 | 13°/1° | 0.0 mm |
| 2025-12-14 | 阴 | 6°/-5° | 0.0 mm |
| 2025-12-15 | 晴天 | 8°/-9° | 0.0 mm |
| 2025-12-16 | 阴 | 12°/-2° | 0.0 mm |
| 2025-12-17 | 毛毛雨 | 12°/8° | 1.4 mm |
| 2025-12-18 | 中雨 | 17°/8° | 10.2 mm |
| 2025-12-19 | 多云 | 14°/-1° | 0.0 mm |
| 2025-12-20 | 雾 | 14°/5° | 0.0 mm |
| 2025-12-21 | 雾 | 14°/6° | 0.0 mm |
| 2025-12-22 | 雾 | 18°/7° | 0.0 mm |
| 2025-12-23 | 阴 | 23°/17° | 0.0 mm |
| 2025-12-24 | 阴 | 20°/14° | 0.0 mm |
| 2025-12-25 | 雾 | 21°/14° | 0.0 mm |
| 2025-12-26 | 雾 | 26°/13° | 0.0 mm |
| 2025-12-27 | 阴 | 23°/9° | 0.0 mm |
| 2025-12-28 | 阴 | 23°/2° | 0.0 mm |
| 2025-12-29 | 多云 | 3°/-3° | 0.0 mm |
| 2025-12-30 | 晴天 | 9°/-4° | 0.0 mm |
| 2025-12-31 | 晴天 | 17°/-1° | 0.0 mm |
2025年12月蒙哥马利共记录 31 天，平均最高 12℃、最低 2℃，降水日 5 天。