| 日期 | 天气 | 高/低 | 降水 |
|---|---|---|---|
| 2023-12-01 | 小毛毛雨 | 31°/21° | 0.2 mm |
| 2023-12-02 | 晴间多云 | 32°/22° | 0.0 mm |
| 2023-12-03 | 晴间多云 | 32°/21° | 0.0 mm |
| 2023-12-04 | 小毛毛雨 | 31°/22° | 0.1 mm |
| 2023-12-05 | 小毛毛雨 | 32°/21° | 1.5 mm |
| 2023-12-06 | 毛毛雨 | 32°/20° | 4.5 mm |
| 2023-12-07 | 毛毛雨 | 31°/20° | 1.9 mm |
| 2023-12-08 | 小毛毛雨 | 31°/20° | 0.6 mm |
| 2023-12-09 | 小毛毛雨 | 32°/21° | 0.1 mm |
| 2023-12-10 | 小毛毛雨 | 32°/22° | 0.0 mm |
| 2023-12-11 | 毛毛雨 | 32°/23° | 0.1 mm |
| 2023-12-12 | 晴间多云 | 32°/23° | 0.0 mm |
| 2023-12-13 | 小雨 | 32°/23° | 0.0 mm |
| 2023-12-14 | 小毛毛雨 | 33°/23° | 0.1 mm |
| 2023-12-15 | 小毛毛雨 | 32°/21° | 3.6 mm |
| 2023-12-16 | 毛毛雨 | 32°/21° | 2.4 mm |
| 2023-12-17 | 大毛毛雨 | 31°/20° | 3.7 mm |
| 2023-12-18 | 毛毛雨 | 30°/19° | 9.0 mm |
| 2023-12-19 | 小毛毛雨 | 30°/18° | 0.0 mm |
| 2023-12-20 | 多云 | 29°/19° | 0.0 mm |
| 2023-12-21 | 多云 | 29°/19° | 0.0 mm |
| 2023-12-22 | 晴间多云 | 31°/20° | 0.0 mm |
| 2023-12-23 | 阴 | 32°/21° | 0.0 mm |
| 2023-12-24 | 阴 | 32°/22° | 0.0 mm |
| 2023-12-25 | 多云 | 31°/22° | 0.0 mm |
| 2023-12-26 | 多云 | 32°/22° | 0.0 mm |
| 2023-12-27 | 阴 | 32°/21° | 0.0 mm |
| 2023-12-28 | 阴 | 32°/21° | 0.0 mm |
| 2023-12-29 | 小毛毛雨 | 31°/20° | 1.9 mm |
| 2023-12-30 | 小毛毛雨 | 32°/20° | 1.2 mm |
| 2023-12-31 | 小毛毛雨 | 32°/21° | 0.0 mm |
2023年12月圣塞瓦斯蒂安共记录 31 天，平均最高 31℃、最低 20℃，降水日 19 天。