| 日期 | 天气 | 高/低 | 降水 |
|---|---|---|---|
| 2025-12-01 | 阴 | 6°/0° | 0.0 mm |
| 2025-12-02 | 阴 | 6°/0° | 0.0 mm |
| 2025-12-03 | 阴 | 7°/1° | 0.0 mm |
| 2025-12-04 | 阴 | 5°/0° | 0.0 mm |
| 2025-12-05 | 小毛毛雨 | 4°/0° | 0.1 mm |
| 2025-12-06 | 小毛毛雨 | 6°/0° | 0.3 mm |
| 2025-12-07 | 小毛毛雨 | 10°/6° | 0.3 mm |
| 2025-12-08 | 小雨 | 14°/9° | 4.4 mm |
| 2025-12-09 | 阴 | 13°/10° | 0.0 mm |
| 2025-12-10 | 毛毛雨 | 10°/8° | 1.7 mm |
| 2025-12-11 | 阴 | 10°/5° | 0.0 mm |
| 2025-12-12 | 阴 | 8°/3° | 0.0 mm |
| 2025-12-13 | 阴 | 8°/3° | 0.0 mm |
| 2025-12-14 | 阴 | 8°/3° | 0.0 mm |
| 2025-12-15 | 阴 | 8°/2° | 0.0 mm |
| 2025-12-16 | 阴 | 8°/2° | 0.0 mm |
| 2025-12-17 | 阴 | 7°/1° | 0.0 mm |
| 2025-12-18 | 阴 | 9°/3° | 0.0 mm |
| 2025-12-19 | 阴 | 10°/4° | 0.0 mm |
| 2025-12-20 | 小毛毛雨 | 9°/7° | 0.9 mm |
| 2025-12-21 | 阴 | 9°/4° | 0.0 mm |
| 2025-12-22 | 阴 | 5°/0° | 0.0 mm |
| 2025-12-23 | 阴 | 4°/0° | 0.0 mm |
| 2025-12-24 | 阴 | 0°/-5° | 0.0 mm |
| 2025-12-25 | 晴天 | -1°/-6° | 0.0 mm |
| 2025-12-26 | 阴 | 0°/-5° | 0.0 mm |
| 2025-12-27 | 多云 | 3°/-3° | 0.0 mm |
| 2025-12-28 | 阴 | 2°/-1° | 0.0 mm |
| 2025-12-29 | 阴 | 2°/-1° | 0.0 mm |
| 2025-12-30 | 毛毛雨 | 3°/-2° | 0.9 mm |
| 2025-12-31 | 毛毛雨 | 2°/-4° | 2.1 mm |
2025年12月耶拿共记录 31 天，平均最高 6℃、最低 1℃，降水日 8 天。