| 日期 | 天气 | 高/低 | 降水 |
|---|---|---|---|
| 2023-12-01 | 多云 | 8°/1° | 0.0 mm |
| 2023-12-02 | 阴 | 9°/1° | 0.0 mm |
| 2023-12-03 | 小毛毛雨 | 10°/1° | 0.0 mm |
| 2023-12-04 | 晴天 | 9°/1° | 0.0 mm |
| 2023-12-05 | 阴 | 7°/2° | 0.0 mm |
| 2023-12-06 | 小雪 | 12°/3° | 0.0 mm |
| 2023-12-07 | 阴 | 13°/4° | 0.0 mm |
| 2023-12-08 | 晴天 | 12°/2° | 0.0 mm |
| 2023-12-09 | 阴 | 14°/4° | 0.0 mm |
| 2023-12-10 | 阴 | 15°/6° | 0.0 mm |
| 2023-12-11 | 毛毛雨 | 14°/6° | 0.1 mm |
| 2023-12-12 | 中雨 | 14°/7° | 16.9 mm |
| 2023-12-13 | 小毛毛雨 | 12°/5° | 0.0 mm |
| 2023-12-14 | 阴 | 13°/4° | 0.0 mm |
| 2023-12-15 | 小雨 | 10°/6° | 6.1 mm |
| 2023-12-16 | 大毛毛雨 | 16°/10° | 10.9 mm |
| 2023-12-17 | 阴 | 9°/0° | 0.0 mm |
| 2023-12-18 | 阴 | 7°/0° | 0.0 mm |
| 2023-12-19 | 小雪 | 6°/1° | 0.1 mm |
| 2023-12-20 | 阴 | 11°/2° | 0.0 mm |
| 2023-12-21 | 小雪 | 6°/0° | 0.0 mm |
| 2023-12-22 | 小雪 | 4°/-2° | 0.0 mm |
| 2023-12-23 | 阴 | 5°/-2° | 0.0 mm |
| 2023-12-24 | 阴 | 6°/0° | 0.0 mm |
| 2023-12-25 | 晴间多云 | 8°/0° | 0.0 mm |
| 2023-12-26 | 晴天 | 8°/0° | 0.0 mm |
| 2023-12-27 | 阴 | 9°/1° | 0.0 mm |
| 2023-12-28 | 小雪 | 9°/1° | 0.0 mm |
| 2023-12-29 | 晴间多云 | 10°/1° | 0.0 mm |
| 2023-12-30 | 阴 | 10°/1° | 0.0 mm |
| 2023-12-31 | 小雪 | 11°/3° | 9.2 mm |
2023年12月甲府市共记录 31 天，平均最高 9℃、最低 2℃，降水日 12 天。