| 日期 | 天气 | 高/低 | 降水 |
|---|---|---|---|
| 2024-12-01 | 雾 | 6°/0° | 0.0 mm |
| 2024-12-02 | 阴 | 6°/-3° | 0.0 mm |
| 2024-12-03 | 雾 | 6°/-2° | 0.0 mm |
| 2024-12-04 | 晴间多云 | 6°/0° | 0.0 mm |
| 2024-12-05 | 阴 | 6°/0° | 0.0 mm |
| 2024-12-06 | 阴 | 6°/0° | 0.0 mm |
| 2024-12-07 | 中雨 | 7°/2° | 17.0 mm |
| 2024-12-08 | 中雨 | 8°/5° | 6.5 mm |
| 2024-12-09 | 雾 | 8°/1° | 0.0 mm |
| 2024-12-10 | 雾 | 4°/0° | 0.0 mm |
| 2024-12-11 | 小毛毛雨 | 6°/0° | 0.4 mm |
| 2024-12-12 | 毛毛雨 | 4°/2° | 3.0 mm |
| 2024-12-13 | 小雨 | 6°/2° | 5.5 mm |
| 2024-12-14 | 小雨 | 9°/5° | 1.8 mm |
| 2024-12-15 | 大毛毛雨 | 7°/4° | 1.5 mm |
| 2024-12-16 | 中雨 | 7°/5° | 6.9 mm |
| 2024-12-17 | 中雨 | 11°/5° | 19.5 mm |
| 2024-12-18 | 小雨 | 12°/7° | 3.3 mm |
| 2024-12-19 | 阴 | 11°/6° | 0.0 mm |
| 2024-12-20 | 阴 | 10°/6° | 0.0 mm |
| 2024-12-21 | 大雨 | 11°/6° | 9.1 mm |
| 2024-12-22 | 大毛毛雨 | 9°/6° | 3.1 mm |
| 2024-12-23 | 大毛毛雨 | 10°/5° | 2.2 mm |
| 2024-12-24 | 大毛毛雨 | 10°/5° | 2.6 mm |
| 2024-12-25 | 中雨 | 6°/4° | 23.3 mm |
| 2024-12-26 | 中雨 | 10°/6° | 15.5 mm |
| 2024-12-27 | 小雨 | 9°/6° | 18.4 mm |
| 2024-12-28 | 大毛毛雨 | 10°/8° | 2.6 mm |
| 2024-12-29 | 小雨 | 9°/5° | 4.4 mm |
| 2024-12-30 | 毛毛雨 | 8°/4° | 1.1 mm |
| 2024-12-31 | 毛毛雨 | 5°/1° | 1.1 mm |
2024年12月波特兰共记录 31 天，平均最高 7℃、最低 3℃，降水日 21 天。