| 日期 | 天气 | 高/低 | 降水 |
|---|---|---|---|
| 2023-12-01 | 小毛毛雨 | 20°/15° | 0.0 mm |
| 2023-12-02 | 中雨 | 17°/6° | 6.2 mm |
| 2023-12-03 | 晴间多云 | 10°/3° | 0.2 mm |
| 2023-12-04 | 小毛毛雨 | 8°/1° | 0.1 mm |
| 2023-12-05 | 小雨 | 10°/5° | 26.7 mm |
| 2023-12-06 | 阴 | 9°/3° | 0.0 mm |
| 2023-12-07 | 晴间多云 | 10°/2° | 0.0 mm |
| 2023-12-08 | 小毛毛雨 | 7°/2° | 3.2 mm |
| 2023-12-09 | 小毛毛雨 | 10°/5° | 2.3 mm |
| 2023-12-10 | 毛毛雨 | 14°/8° | 2.4 mm |
| 2023-12-11 | 小毛毛雨 | 10°/7° | 0.0 mm |
| 2023-12-12 | 小毛毛雨 | 16°/11° | 0.0 mm |
| 2023-12-13 | 毛毛雨 | 15°/10° | 4.3 mm |
| 2023-12-14 | 小毛毛雨 | 12°/6° | 5.8 mm |
| 2023-12-15 | 晴天 | 12°/5° | 0.0 mm |
| 2023-12-16 | 晴天 | 10°/4° | 0.0 mm |
| 2023-12-17 | 晴天 | 10°/2° | 0.0 mm |
| 2023-12-18 | 晴天 | 12°/3° | 0.0 mm |
| 2023-12-19 | 晴天 | 13°/5° | 0.0 mm |
| 2023-12-20 | 阴 | 11°/4° | 0.0 mm |
| 2023-12-21 | 阴 | 12°/4° | 0.0 mm |
| 2023-12-22 | 阴 | 14°/5° | 0.0 mm |
| 2023-12-23 | 阴 | 12°/6° | 0.0 mm |
| 2023-12-24 | 阴 | 12°/5° | 0.0 mm |
| 2023-12-25 | 阴 | 12°/5° | 0.0 mm |
| 2023-12-26 | 阴 | 12°/5° | 0.0 mm |
| 2023-12-27 | 阴 | 12°/5° | 0.0 mm |
| 2023-12-28 | 小毛毛雨 | 11°/6° | 0.0 mm |
| 2023-12-29 | 小毛毛雨 | 13°/7° | 0.0 mm |
| 2023-12-30 | 阴 | 13°/8° | 0.0 mm |
| 2023-12-31 | 毛毛雨 | 14°/8° | 0.2 mm |
2023年12月锡耶纳共记录 31 天，平均最高 12℃、最低 5℃，降水日 15 天。