| 日期 | 天气 | 高/低 | 降水 |
|---|---|---|---|
| 2025-12-01 | 阵雨 | 32°/22° | 10.4 mm |
| 2025-12-02 | 中阵雨 | 31°/22° | 7.8 mm |
| 2025-12-03 | 中阵雨 | 28°/22° | 16.9 mm |
| 2025-12-04 | 大毛毛雨 | 27°/22° | 3.1 mm |
| 2025-12-05 | 阵雨 | 33°/23° | 8.2 mm |
| 2025-12-06 | 阵雨 | 31°/22° | 12.7 mm |
| 2025-12-07 | 大毛毛雨 | 32°/22° | 3.4 mm |
| 2025-12-08 | 阵雨 | 29°/22° | 9.1 mm |
| 2025-12-09 | 阵雨 | 30°/22° | 8.3 mm |
| 2025-12-10 | 阵雨 | 29°/22° | 10.2 mm |
| 2025-12-11 | 阵雨 | 30°/22° | 5.3 mm |
| 2025-12-12 | 阵雨 | 32°/23° | 18.0 mm |
| 2025-12-13 | 中阵雨 | 31°/22° | 18.4 mm |
| 2025-12-14 | 阵雨 | 28°/22° | 14.1 mm |
| 2025-12-15 | 阵雨 | 26°/22° | 20.2 mm |
| 2025-12-16 | 阵雨 | 26°/22° | 21.8 mm |
| 2025-12-17 | 阵雨 | 28°/22° | 7.6 mm |
| 2025-12-18 | 中阵雨 | 29°/22° | 11.2 mm |
| 2025-12-19 | 阵雨 | 29°/22° | 15.0 mm |
| 2025-12-20 | 雷阵雨 | 31°/23° | 15.1 mm |
| 2025-12-21 | 阵雨 | 29°/22° | 18.4 mm |
| 2025-12-22 | 阵雨 | 30°/22° | 11.6 mm |
| 2025-12-23 | 雷阵雨 | 31°/22° | 13.8 mm |
| 2025-12-24 | 毛毛雨 | 32°/22° | 5.2 mm |
| 2025-12-25 | 雷阵雨 | 32°/22° | 23.3 mm |
| 2025-12-26 | 雷阵雨 | 30°/22° | 25.3 mm |
| 2025-12-27 | 阵雨 | 28°/23° | 9.3 mm |
| 2025-12-28 | 阵雨 | 25°/23° | 10.0 mm |
| 2025-12-29 | 中阵雨 | 27°/22° | 22.3 mm |
| 2025-12-30 | 中阵雨 | 31°/22° | 12.6 mm |
| 2025-12-31 | 中阵雨 | 32°/22° | 26.1 mm |
2025年12月西雅克县共记录 31 天，平均最高 29℃、最低 22℃，降水日 31 天。