| 日期 | 天气 | 高/低 | 降水 |
|---|---|---|---|
| 2023-12-01 | 小雪 | 3°/1° | 0.1 mm |
| 2023-12-02 | 小雪 | 0°/-1° | 0.0 mm |
| 2023-12-03 | 阴 | 0°/-1° | 0.0 mm |
| 2023-12-04 | 小雪 | 1°/-1° | 1.3 mm |
| 2023-12-05 | 小雪 | 6°/1° | 11.8 mm |
| 2023-12-06 | 毛毛雨 | 5°/2° | 7.0 mm |
| 2023-12-07 | 阴 | 5°/1° | 0.0 mm |
| 2023-12-08 | 毛毛雨 | 4°/1° | 5.2 mm |
| 2023-12-09 | 中雨 | 9°/4° | 10.1 mm |
| 2023-12-10 | 小毛毛雨 | 10°/8° | 1.9 mm |
| 2023-12-11 | 小毛毛雨 | 12°/9° | 1.8 mm |
| 2023-12-12 | 小雨 | 9°/7° | 4.3 mm |
| 2023-12-13 | 毛毛雨 | 10°/7° | 4.2 mm |
| 2023-12-14 | 小毛毛雨 | 8°/6° | 0.1 mm |
| 2023-12-15 | 小毛毛雨 | 6°/4° | 0.0 mm |
| 2023-12-16 | 阴 | 6°/3° | 0.0 mm |
| 2023-12-17 | 阴 | 6°/2° | 0.0 mm |
| 2023-12-18 | 多云 | 6°/2° | 0.0 mm |
| 2023-12-19 | 毛毛雨 | 5°/1° | 0.1 mm |
| 2023-12-20 | 小雨 | 6°/4° | 8.2 mm |
| 2023-12-21 | 小雨 | 11°/6° | 7.2 mm |
| 2023-12-22 | 小雨 | 10°/7° | 6.0 mm |
| 2023-12-23 | 毛毛雨 | 9°/8° | 2.6 mm |
| 2023-12-24 | 中雨 | 10°/8° | 7.8 mm |
| 2023-12-25 | 毛毛雨 | 10°/8° | 1.4 mm |
| 2023-12-26 | 小毛毛雨 | 9°/8° | 0.4 mm |
| 2023-12-27 | 阴 | 9°/6° | 0.0 mm |
| 2023-12-28 | 小毛毛雨 | 9°/6° | 0.6 mm |
| 2023-12-29 | 毛毛雨 | 10°/8° | 0.3 mm |
| 2023-12-30 | 毛毛雨 | 10°/8° | 1.3 mm |
| 2023-12-31 | 小雨 | 9°/6° | 3.1 mm |
2023年12月海德堡共记录 31 天，平均最高 7℃、最低 4℃，降水日 25 天。