| 日期 | 天气 | 高/低 | 降水 |
|---|---|---|---|
| 2025-12-01 | 阴 | 12°/6° | 0.0 mm |
| 2025-12-02 | 阴 | 12°/4° | 0.0 mm |
| 2025-12-03 | 阵雨 | 8°/2° | 9.1 mm |
| 2025-12-04 | 小毛毛雨 | 8°/3° | 0.5 mm |
| 2025-12-05 | 小毛毛雨 | 10°/7° | 2.7 mm |
| 2025-12-06 | 小毛毛雨 | 14°/8° | 0.6 mm |
| 2025-12-07 | 阴 | 16°/7° | 0.0 mm |
| 2025-12-08 | 阴 | 17°/7° | 0.0 mm |
| 2025-12-09 | 阴 | 17°/7° | 0.0 mm |
| 2025-12-10 | 阴 | 17°/7° | 0.0 mm |
| 2025-12-11 | 阴 | 13°/6° | 0.0 mm |
| 2025-12-12 | 阴 | 14°/5° | 0.0 mm |
| 2025-12-13 | 阴 | 13°/6° | 0.0 mm |
| 2025-12-14 | 毛毛雨 | 12°/7° | 1.3 mm |
| 2025-12-15 | 小毛毛雨 | 13°/6° | 0.3 mm |
| 2025-12-16 | 小毛毛雨 | 9°/5° | 1.0 mm |
| 2025-12-17 | 小毛毛雨 | 9°/3° | 0.4 mm |
| 2025-12-18 | 小毛毛雨 | 10°/5° | 1.0 mm |
| 2025-12-19 | 小毛毛雨 | 11°/6° | 0.8 mm |
| 2025-12-20 | 毛毛雨 | 8°/4° | 4.2 mm |
| 2025-12-21 | 阴 | 12°/5° | 0.0 mm |
| 2025-12-22 | 中阵雨 | 8°/2° | 12.9 mm |
| 2025-12-23 | 中阵雨 | 5°/2° | 20.6 mm |
| 2025-12-24 | 小毛毛雨 | 9°/5° | 0.7 mm |
| 2025-12-25 | 小毛毛雨 | 8°/3° | 0.8 mm |
| 2025-12-26 | 小毛毛雨 | 8°/2° | 1.1 mm |
| 2025-12-27 | 阴 | 12°/3° | 0.0 mm |
| 2025-12-28 | 阴 | 11°/3° | 0.0 mm |
| 2025-12-29 | 小毛毛雨 | 10°/3° | 0.7 mm |
| 2025-12-30 | 阴 | 9°/4° | 0.0 mm |
| 2025-12-31 | 多云 | 10°/3° | 0.0 mm |
2025年12月内西莫特共记录 31 天，平均最高 11℃、最低 4℃，降水日 17 天。