| 日期 | 天气 | 高/低 | 降水 |
|---|---|---|---|
| 2025-12-01 | 阴 | 21°/9° | 0.0 mm |
| 2025-12-02 | 小毛毛雨 | 19°/10° | 0.4 mm |
| 2025-12-03 | 阴 | 20°/7° | 0.0 mm |
| 2025-12-04 | 阴 | 21°/8° | 0.0 mm |
| 2025-12-05 | 小毛毛雨 | 23°/11° | 0.4 mm |
| 2025-12-06 | 阴 | 22°/11° | 0.0 mm |
| 2025-12-07 | 小毛毛雨 | 22°/11° | 0.3 mm |
| 2025-12-08 | 小毛毛雨 | 22°/11° | 0.1 mm |
| 2025-12-09 | 小毛毛雨 | 24°/12° | 0.3 mm |
| 2025-12-10 | 阴 | 23°/10° | 0.0 mm |
| 2025-12-11 | 阴 | 22°/9° | 0.0 mm |
| 2025-12-12 | 阴 | 20°/12° | 0.0 mm |
| 2025-12-13 | 大毛毛雨 | 20°/11° | 4.2 mm |
| 2025-12-14 | 阴 | 23°/9° | 0.0 mm |
| 2025-12-15 | 多云 | 24°/10° | 0.0 mm |
| 2025-12-16 | 中阵雨 | 23°/12° | 11.8 mm |
| 2025-12-17 | 中阵雨 | 23°/12° | 7.3 mm |
| 2025-12-18 | 阴 | 23°/11° | 0.0 mm |
| 2025-12-19 | 小毛毛雨 | 25°/12° | 0.1 mm |
| 2025-12-20 | 中阵雨 | 22°/12° | 8.7 mm |
| 2025-12-21 | 中阵雨 | 17°/9° | 25.7 mm |
| 2025-12-22 | 毛毛雨 | 23°/10° | 1.2 mm |
| 2025-12-23 | 大毛毛雨 | 23°/12° | 3.8 mm |
| 2025-12-24 | 毛毛雨 | 21°/12° | 3.2 mm |
| 2025-12-25 | 小毛毛雨 | 22°/11° | 1.1 mm |
| 2025-12-26 | 阴 | 24°/12° | 0.0 mm |
| 2025-12-27 | 多云 | 23°/12° | 0.0 mm |
| 2025-12-28 | 阴 | 24°/11° | 0.0 mm |
| 2025-12-29 | 多云 | 25°/10° | 0.0 mm |
| 2025-12-30 | 小雨 | 25°/12° | 2.2 mm |
| 2025-12-31 | 强阵雨 | 24°/11° | 14.4 mm |
2025年12月瑟莫纳共记录 31 天，平均最高 22℃、最低 10℃，降水日 17 天。