| 日期 | 天气 | 高/低 | 降水 |
|---|---|---|---|
| 2023-12-01 | 晴天 | -4°/-9° | 1.0 mm |
| 2023-12-02 | 晴天 | -7°/-11° | 0.2 mm |
| 2023-12-03 | 晴天 | -7°/-12° | 0.2 mm |
| 2023-12-04 | 晴天 | -8°/-12° | 0.0 mm |
| 2023-12-05 | 晴天 | -4°/-12° | 2.7 mm |
| 2023-12-06 | 晴天 | -1°/-6° | 2.7 mm |
| 2023-12-07 | 晴天 | -1°/-5° | 1.0 mm |
| 2023-12-08 | 晴天 | -4°/-7° | 0.3 mm |
| 2023-12-09 | 晴天 | -5°/-7° | 0.0 mm |
| 2023-12-10 | 晴天 | -4°/-7° | 0.2 mm |
| 2023-12-11 | 晴天 | -3°/-7° | 0.0 mm |
| 2023-12-12 | 晴天 | -7°/-8° | 0.1 mm |
| 2023-12-13 | 晴天 | -5°/-7° | 1.9 mm |
| 2023-12-14 | 晴天 | -6°/-10° | 0.1 mm |
| 2023-12-15 | 晴天 | -4°/-10° | 0.0 mm |
| 2023-12-16 | 晴天 | 3°/-3° | 0.0 mm |
| 2023-12-17 | 晴天 | 4°/0° | 0.4 mm |
| 2023-12-18 | 晴天 | 1°/-1° | 0.0 mm |
| 2023-12-19 | 晴天 | 4°/0° | 6.2 mm |
| 2023-12-20 | 晴天 | 0°/-4° | 0.0 mm |
| 2023-12-21 | 晴天 | 1°/-2° | 0.9 mm |
| 2023-12-22 | 晴天 | 0°/0° | 3.5 mm |
| 2023-12-23 | 晴天 | 0°/-1° | 1.0 mm |
| 2023-12-24 | 晴天 | -1°/-2° | 0.3 mm |
| 2023-12-25 | 晴天 | -2°/-7° | 0.0 mm |
| 2023-12-26 | 晴天 | 0°/-8° | 0.2 mm |
| 2023-12-27 | 晴天 | -1°/-4° | 1.7 mm |
| 2023-12-28 | 晴天 | 0°/-4° | 1.1 mm |
| 2023-12-29 | 晴天 | 1°/-1° | 5.3 mm |
| 2023-12-30 | 晴天 | 0°/-8° | 0.2 mm |
| 2023-12-31 | 晴天 | -8°/-14° | 0.0 mm |
2023年12月芬兰共记录 31 天，平均最高 -2℃、最低 -6℃，降水日 22 天。