| 日期 | 天气 | 高/低 | 降水 |
|---|---|---|---|
| 2026-01-01 | 阴 | 2°/-1° | 0.0 mm |
| 2026-01-02 | 小阵雪 | 3°/0° | 1.8 mm |
| 2026-01-03 | 中雪 | 0°/-1° | 1.0 mm |
| 2026-01-04 | 小雪 | 0°/-2° | 0.1 mm |
| 2026-01-05 | 雾 | -1°/-4° | 0.0 mm |
| 2026-01-06 | 中雪 | -2°/-4° | 1.9 mm |
| 2026-01-07 | 小雪 | -2°/-5° | 0.3 mm |
| 2026-01-08 | 中雪 | 0°/-2° | 8.3 mm |
| 2026-01-09 | 中雨 | 6°/1° | 9.3 mm |
| 2026-01-10 | 小阵雪 | 3°/-1° | 8.0 mm |
| 2026-01-11 | 阴 | -1°/-6° | 0.0 mm |
| 2026-01-12 | 中雪 | 2°/-3° | 2.6 mm |
| 2026-01-13 | 小毛毛雨 | 4°/1° | 0.7 mm |
| 2026-01-14 | 毛毛雨 | 6°/2° | 1.7 mm |
| 2026-01-15 | 毛毛雨 | 9°/5° | 1.2 mm |
| 2026-01-16 | 阴 | 10°/5° | 0.0 mm |
| 2026-01-17 | 阴 | 6°/2° | 0.0 mm |
| 2026-01-18 | 阴 | 4°/1° | 0.0 mm |
| 2026-01-19 | 阴 | 5°/0° | 0.0 mm |
| 2026-01-20 | 阴 | 5°/0° | 0.0 mm |
| 2026-01-21 | 阴 | 5°/0° | 0.0 mm |
| 2026-01-22 | 阴 | 3°/0° | 0.0 mm |
| 2026-01-23 | 阴 | 5°/0° | 0.0 mm |
| 2026-01-24 | 阴 | 3°/0° | 0.0 mm |
| 2026-01-25 | 小雪 | 1°/0° | 0.8 mm |
| 2026-01-26 | 小毛毛雨 | 5°/0° | 1.0 mm |
| 2026-01-27 | 毛毛雨 | 6°/1° | 3.0 mm |
| 2026-01-28 | 毛毛雨 | 5°/3° | 4.2 mm |
| 2026-01-29 | 小雪 | 3°/2° | 4.4 mm |
| 2026-01-30 | 小毛毛雨 | 5°/0° | 0.3 mm |
| 2026-01-31 | 阴 | 6°/3° | 0.0 mm |
2026年01月海德堡共记录 31 天，平均最高 3℃、最低 0℃，降水日 18 天。