| 日期 | 天气 | 高/低 | 降水 |
|---|---|---|---|
| 2025-12-01 | 小雨 | 6°/4° | 5.9 mm |
| 2025-12-02 | 阴 | 6°/5° | 0.0 mm |
| 2025-12-03 | 小毛毛雨 | 6°/5° | 0.2 mm |
| 2025-12-04 | 小毛毛雨 | 5°/4° | 0.8 mm |
| 2025-12-05 | 小毛毛雨 | 5°/4° | 2.1 mm |
| 2025-12-06 | 小雨 | 5°/4° | 8.9 mm |
| 2025-12-07 | 小毛毛雨 | 5°/2° | 2.1 mm |
| 2025-12-08 | 大毛毛雨 | 5°/2° | 8.1 mm |
| 2025-12-09 | 小雨 | 6°/4° | 8.5 mm |
| 2025-12-10 | 毛毛雨 | 7°/2° | 2.3 mm |
| 2025-12-11 | 阴 | 6°/4° | 0.0 mm |
| 2025-12-12 | 阴 | 3°/-2° | 0.0 mm |
| 2025-12-13 | 小雪 | 0°/-2° | 0.5 mm |
| 2025-12-14 | 阵雨 | 4°/-1° | 6.9 mm |
| 2025-12-15 | 小毛毛雨 | 6°/3° | 0.8 mm |
| 2025-12-16 | 阴 | 5°/4° | 0.0 mm |
| 2025-12-17 | 毛毛雨 | 6°/4° | 1.9 mm |
| 2025-12-18 | 雾 | 6°/2° | 0.0 mm |
| 2025-12-19 | 大毛毛雨 | 5°/4° | 1.9 mm |
| 2025-12-20 | 小毛毛雨 | 6°/4° | 0.5 mm |
| 2025-12-21 | 阴 | 5°/1° | 0.0 mm |
| 2025-12-22 | 小雪 | 1°/-3° | 0.5 mm |
| 2025-12-23 | 阴 | -2°/-5° | 0.0 mm |
| 2025-12-24 | 阴 | 2°/-2° | 0.0 mm |
| 2025-12-25 | 阴 | 6°/2° | 0.0 mm |
| 2025-12-26 | 阴 | 5°/2° | 0.0 mm |
| 2025-12-27 | 阴 | 5°/2° | 0.0 mm |
| 2025-12-28 | 小雪 | 3°/-1° | 1.1 mm |
| 2025-12-29 | 小阵雪 | 3°/-2° | 0.4 mm |
| 2025-12-30 | 阴 | -2°/-5° | 0.0 mm |
| 2025-12-31 | 阴 | -5°/-9° | 0.0 mm |
2025年12月芬兰共记录 31 天，平均最高 4℃、最低 1℃，降水日 18 天。