| 日期 | 天气 | 高/低 | 降水 |
|---|---|---|---|
| 2025-12-01 | 阴 | 26°/13° | 0.0 mm |
| 2025-12-02 | 晴天 | 27°/14° | 0.0 mm |
| 2025-12-03 | 晴天 | 27°/15° | 0.0 mm |
| 2025-12-04 | 晴天 | 27°/16° | 0.0 mm |
| 2025-12-05 | 晴间多云 | 27°/17° | 0.0 mm |
| 2025-12-06 | 阴 | 28°/17° | 0.0 mm |
| 2025-12-07 | 阴 | 28°/17° | 0.0 mm |
| 2025-12-08 | 小毛毛雨 | 28°/17° | 0.1 mm |
| 2025-12-09 | 小毛毛雨 | 26°/17° | 0.6 mm |
| 2025-12-10 | 阴 | 26°/15° | 0.0 mm |
| 2025-12-11 | 阴 | 26°/14° | 0.0 mm |
| 2025-12-12 | 阴 | 26°/17° | 0.0 mm |
| 2025-12-13 | 毛毛雨 | 28°/16° | 0.7 mm |
| 2025-12-14 | 大毛毛雨 | 26°/17° | 5.2 mm |
| 2025-12-15 | 阴 | 26°/16° | 0.0 mm |
| 2025-12-16 | 小毛毛雨 | 27°/16° | 0.2 mm |
| 2025-12-17 | 小毛毛雨 | 27°/16° | 0.7 mm |
| 2025-12-18 | 小毛毛雨 | 26°/16° | 0.6 mm |
| 2025-12-19 | 晴天 | 27°/15° | 0.0 mm |
| 2025-12-20 | 晴天 | 26°/15° | 0.0 mm |
| 2025-12-21 | 晴天 | 26°/15° | 0.0 mm |
| 2025-12-22 | 晴天 | 26°/14° | 0.0 mm |
| 2025-12-23 | 晴天 | 27°/14° | 0.0 mm |
| 2025-12-24 | 多云 | 28°/15° | 0.0 mm |
| 2025-12-25 | 阴 | 27°/15° | 0.0 mm |
| 2025-12-26 | 阴 | 27°/15° | 0.0 mm |
| 2025-12-27 | 晴天 | 27°/14° | 0.0 mm |
| 2025-12-28 | 晴间多云 | 27°/14° | 0.0 mm |
| 2025-12-29 | 晴天 | 28°/14° | 0.0 mm |
| 2025-12-30 | 阴 | 27°/13° | 0.0 mm |
| 2025-12-31 | 阴 | 28°/13° | 0.0 mm |
2025年12月南沙蒙乡共记录 31 天，平均最高 26℃、最低 15℃，降水日 7 天。