| 日期 | 天气 | 高/低 | 降水 |
|---|---|---|---|
| 2023-12-01 | 阴 | 27°/16° | 1.2 mm |
| 2023-12-02 | 小毛毛雨 | 26°/15° | 0.1 mm |
| 2023-12-03 | 阴 | 27°/16° | 0.0 mm |
| 2023-12-04 | 阴 | 26°/16° | 3.6 mm |
| 2023-12-05 | 阴 | 27°/16° | 0.0 mm |
| 2023-12-06 | 小毛毛雨 | 27°/17° | 1.1 mm |
| 2023-12-07 | 小毛毛雨 | 26°/16° | 0.0 mm |
| 2023-12-08 | 阴 | 26°/16° | 0.0 mm |
| 2023-12-09 | 阴 | 26°/16° | 0.0 mm |
| 2023-12-10 | 阴 | 27°/17° | 2.3 mm |
| 2023-12-11 | 多云 | 28°/17° | 2.0 mm |
| 2023-12-12 | 阴 | 28°/16° | 0.0 mm |
| 2023-12-13 | 晴间多云 | 27°/17° | 0.0 mm |
| 2023-12-14 | 阴 | 27°/16° | 0.0 mm |
| 2023-12-15 | 阴 | 26°/16° | 0.0 mm |
| 2023-12-16 | 晴间多云 | 27°/15° | 0.0 mm |
| 2023-12-17 | 晴天 | 26°/15° | 0.0 mm |
| 2023-12-18 | 多云 | 27°/16° | 0.8 mm |
| 2023-12-19 | 多云 | 26°/15° | 0.0 mm |
| 2023-12-20 | 晴间多云 | 27°/15° | 0.0 mm |
| 2023-12-21 | 晴天 | 25°/15° | 0.1 mm |
| 2023-12-22 | 阴 | 21°/11° | 0.0 mm |
| 2023-12-23 | 阴 | 23°/9° | 0.0 mm |
| 2023-12-24 | 阴 | 23°/9° | 0.0 mm |
| 2023-12-25 | 阴 | 23°/10° | 0.0 mm |
| 2023-12-26 | 晴间多云 | 24°/10° | 0.0 mm |
| 2023-12-27 | 晴天 | 25°/12° | 0.0 mm |
| 2023-12-28 | 晴天 | 26°/13° | 0.0 mm |
| 2023-12-29 | 阴 | 26°/13° | 0.0 mm |
| 2023-12-30 | 多云 | 26°/14° | 0.0 mm |
| 2023-12-31 | 晴间多云 | 27°/14° | 0.0 mm |
2023年12月永沙县共记录 31 天，平均最高 25℃、最低 14℃，降水日 9 天。