| 日期 | 天气 | 高/低 | 降水 |
|---|---|---|---|
| 2023-12-01 | 小雪 | 0°/-5° | 2.2 mm |
| 2023-12-02 | 小雪 | -3°/-9° | 1.3 mm |
| 2023-12-03 | 小雪 | 0°/-9° | 2.6 mm |
| 2023-12-04 | 阴 | 0°/-8° | 0.6 mm |
| 2023-12-05 | 中雪 | 3°/-2° | 1.9 mm |
| 2023-12-06 | 小雪 | 3°/0° | 2.5 mm |
| 2023-12-07 | 阴 | 3°/-4° | 0.1 mm |
| 2023-12-08 | 中雪 | 1°/-6° | 2.4 mm |
| 2023-12-09 | 大毛毛雨 | 5°/1° | 2.0 mm |
| 2023-12-10 | 小雨 | 8°/3° | 5.5 mm |
| 2023-12-11 | 小雨 | 10°/6° | 1.5 mm |
| 2023-12-12 | 毛毛雨 | 8°/5° | 0.2 mm |
| 2023-12-13 | 大毛毛雨 | 9°/6° | 4.2 mm |
| 2023-12-14 | 小毛毛雨 | 6°/3° | 2.4 mm |
| 2023-12-15 | 小毛毛雨 | 5°/1° | 0.7 mm |
| 2023-12-16 | 阴 | 7°/4° | 0.0 mm |
| 2023-12-17 | 阴 | 7°/2° | 0.0 mm |
| 2023-12-18 | 阴 | 8°/2° | 0.0 mm |
| 2023-12-19 | 毛毛雨 | 6°/1° | 0.7 mm |
| 2023-12-20 | 毛毛雨 | 6°/4° | 5.2 mm |
| 2023-12-21 | 小雨 | 9°/5° | 7.1 mm |
| 2023-12-22 | 大毛毛雨 | 6°/3° | 5.4 mm |
| 2023-12-23 | 中雪 | 7°/1° | 19.1 mm |
| 2023-12-24 | 毛毛雨 | 11°/8° | 5.8 mm |
| 2023-12-25 | 小毛毛雨 | 11°/9° | 1.3 mm |
| 2023-12-26 | 小毛毛雨 | 10°/7° | 0.9 mm |
| 2023-12-27 | 阴 | 7°/3° | 0.0 mm |
| 2023-12-28 | 阴 | 9°/7° | 0.0 mm |
| 2023-12-29 | 阴 | 10°/8° | 0.0 mm |
| 2023-12-30 | 小毛毛雨 | 9°/5° | 0.8 mm |
| 2023-12-31 | 小毛毛雨 | 8°/4° | 0.0 mm |
2023年12月耶拿共记录 31 天，平均最高 6℃、最低 1℃，降水日 25 天。