| 日期 | 天气 | 高/低 | 降水 |
|---|---|---|---|
| 2025-01-01 | 阴 | 7°/1° | 0.0 mm |
| 2025-01-02 | 大毛毛雨 | 8°/0° | 4.7 mm |
| 2025-01-03 | 毛毛雨 | 3°/0° | 1.0 mm |
| 2025-01-04 | 阴 | 2°/-1° | 0.0 mm |
| 2025-01-05 | 中雪 | 9°/-1° | 12.2 mm |
| 2025-01-06 | 阴 | 12°/8° | 0.0 mm |
| 2025-01-07 | 小毛毛雨 | 8°/3° | 0.1 mm |
| 2025-01-08 | 毛毛雨 | 4°/1° | 3.5 mm |
| 2025-01-09 | 中雨 | 10°/0° | 9.3 mm |
| 2025-01-10 | 小毛毛雨 | 2°/0° | 0.1 mm |
| 2025-01-11 | 小毛毛雨 | 1°/-1° | 0.9 mm |
| 2025-01-12 | 阴 | 0°/-2° | 0.0 mm |
| 2025-01-13 | 阴 | 0°/-4° | 0.0 mm |
| 2025-01-14 | 毛毛雨 | 3°/-4° | 0.5 mm |
| 2025-01-15 | 小毛毛雨 | 3°/2° | 0.4 mm |
| 2025-01-16 | 雾 | 4°/-2° | 0.0 mm |
| 2025-01-17 | 晴间多云 | 6°/-2° | 0.0 mm |
| 2025-01-18 | 晴天 | 7°/0° | 0.0 mm |
| 2025-01-19 | 晴天 | 9°/1° | 0.0 mm |
| 2025-01-20 | 阴 | 6°/0° | 0.0 mm |
| 2025-01-21 | 阴 | 6°/0° | 0.0 mm |
| 2025-01-22 | 阴 | 7°/1° | 0.0 mm |
| 2025-01-23 | 毛毛雨 | 6°/2° | 1.0 mm |
| 2025-01-24 | 小毛毛雨 | 9°/3° | 0.1 mm |
| 2025-01-25 | 阴 | 13°/8° | 0.0 mm |
| 2025-01-26 | 小毛毛雨 | 10°/4° | 0.4 mm |
| 2025-01-27 | 毛毛雨 | 12°/5° | 0.7 mm |
| 2025-01-28 | 小毛毛雨 | 9°/5° | 0.2 mm |
| 2025-01-29 | 小毛毛雨 | 8°/5° | 1.0 mm |
| 2025-01-30 | 阴 | 9°/3° | 0.0 mm |
| 2025-01-31 | 小雨 | 6°/0° | 3.8 mm |
2025年01月耶拿共记录 31 天，平均最高 6℃、最低 1℃，降水日 17 天。