| 日期 | 天气 | 高/低 | 降水 |
|---|---|---|---|
| 2025-12-01 | 阴 | 15°/5° | 0.0 mm |
| 2025-12-02 | 阴 | 15°/7° | 0.0 mm |
| 2025-12-03 | 阴 | 13°/2° | 0.0 mm |
| 2025-12-04 | 阴 | 6°/0° | 0.0 mm |
| 2025-12-05 | 阴 | 7°/0° | 0.0 mm |
| 2025-12-06 | 晴天 | 9°/0° | 0.0 mm |
| 2025-12-07 | 晴天 | 12°/1° | 0.0 mm |
| 2025-12-08 | 阴 | 13°/3° | 0.0 mm |
| 2025-12-09 | 小毛毛雨 | 9°/3° | 0.1 mm |
| 2025-12-10 | 阴 | 10°/2° | 0.0 mm |
| 2025-12-11 | 大毛毛雨 | 11°/2° | 1.6 mm |
| 2025-12-12 | 阴 | 7°/1° | 0.0 mm |
| 2025-12-13 | 阴 | 8°/0° | 0.0 mm |
| 2025-12-14 | 中雨 | 8°/3° | 15.5 mm |
| 2025-12-15 | 晴天 | 8°/1° | 0.0 mm |
| 2025-12-16 | 晴天 | 9°/0° | 0.0 mm |
| 2025-12-17 | 阴 | 9°/1° | 0.0 mm |
| 2025-12-18 | 阴 | 10°/2° | 0.0 mm |
| 2025-12-19 | 多云 | 11°/3° | 0.0 mm |
| 2025-12-20 | 毛毛雨 | 7°/4° | 3.2 mm |
| 2025-12-21 | 小毛毛雨 | 10°/7° | 1.4 mm |
| 2025-12-22 | 阴 | 10°/3° | 0.0 mm |
| 2025-12-23 | 阴 | 9°/1° | 0.0 mm |
| 2025-12-24 | 中雨 | 8°/3° | 13.9 mm |
| 2025-12-25 | 中雨 | 10°/5° | 9.3 mm |
| 2025-12-26 | 阴 | 6°/-1° | 0.0 mm |
| 2025-12-27 | 阴 | 5°/-1° | 0.0 mm |
| 2025-12-28 | 晴天 | 7°/0° | 0.0 mm |
| 2025-12-29 | 晴天 | 8°/0° | 0.0 mm |
| 2025-12-30 | 阴 | 11°/1° | 0.0 mm |
| 2025-12-31 | 阴 | 9°/1° | 0.0 mm |
2025年12月甲府市共记录 31 天，平均最高 9℃、最低 1℃，降水日 7 天。