| 日期 | 天气 | 高/低 | 降水 |
|---|---|---|---|
| 2025-12-01 | 小毛毛雨 | 3°/0° | 0.4 mm |
| 2025-12-02 | 阴 | 5°/0° | 0.0 mm |
| 2025-12-03 | 阴 | 6°/1° | 0.0 mm |
| 2025-12-04 | 阴 | 5°/1° | 0.0 mm |
| 2025-12-05 | 小毛毛雨 | 4°/1° | 1.0 mm |
| 2025-12-06 | 毛毛雨 | 8°/0° | 3.1 mm |
| 2025-12-07 | 阵雨 | 10°/7° | 24.0 mm |
| 2025-12-08 | 小毛毛雨 | 12°/8° | 0.6 mm |
| 2025-12-09 | 阴 | 10°/5° | 0.0 mm |
| 2025-12-10 | 阴 | 10°/4° | 0.0 mm |
| 2025-12-11 | 小毛毛雨 | 8°/5° | 0.1 mm |
| 2025-12-12 | 阴 | 9°/4° | 0.0 mm |
| 2025-12-13 | 晴间多云 | 8°/2° | 0.0 mm |
| 2025-12-14 | 阴 | 6°/1° | 0.0 mm |
| 2025-12-15 | 阴 | 7°/1° | 0.0 mm |
| 2025-12-16 | 阴 | 7°/1° | 0.0 mm |
| 2025-12-17 | 阴 | 9°/4° | 0.0 mm |
| 2025-12-18 | 阴 | 8°/4° | 0.0 mm |
| 2025-12-19 | 阴 | 9°/4° | 0.0 mm |
| 2025-12-20 | 小毛毛雨 | 9°/5° | 0.2 mm |
| 2025-12-21 | 阴 | 8°/3° | 0.0 mm |
| 2025-12-22 | 阴 | 7°/2° | 0.0 mm |
| 2025-12-23 | 阴 | 4°/-1° | 0.0 mm |
| 2025-12-24 | 小雪 | 1°/-2° | 0.3 mm |
| 2025-12-25 | 阴 | 2°/-2° | 0.0 mm |
| 2025-12-26 | 阴 | 4°/-1° | 0.0 mm |
| 2025-12-27 | 阴 | 5°/-2° | 0.0 mm |
| 2025-12-28 | 晴间多云 | 4°/-2° | 0.0 mm |
| 2025-12-29 | 晴天 | 4°/-2° | 0.0 mm |
| 2025-12-30 | 阴 | 1°/-3° | 0.0 mm |
| 2025-12-31 | 多云 | 0°/-4° | 0.0 mm |
2025年12月纳沙泰尔共记录 31 天，平均最高 6℃、最低 1℃，降水日 8 天。