| 日期 | 天气 | 高/低 | 降水 |
|---|---|---|---|
| 2023-12-01 | 晴天 | 2°/-2° | 0.0 mm |
| 2023-12-02 | 晴天 | 3°/0° | 6.8 mm |
| 2023-12-03 | 晴天 | 2°/0° | 0.6 mm |
| 2023-12-04 | 晴天 | 3°/0° | 7.9 mm |
| 2023-12-05 | 晴天 | 3°/1° | 2.8 mm |
| 2023-12-06 | 晴天 | 4°/1° | 2.3 mm |
| 2023-12-07 | 晴天 | 8°/4° | 18.9 mm |
| 2023-12-08 | 晴天 | 7°/6° | 10.2 mm |
| 2023-12-09 | 晴天 | 8°/5° | 18.4 mm |
| 2023-12-10 | 晴天 | 7°/4° | 19.9 mm |
| 2023-12-11 | 晴天 | 6°/5° | 2.0 mm |
| 2023-12-12 | 晴天 | 7°/5° | 8.4 mm |
| 2023-12-13 | 晴天 | 5°/1° | 0.2 mm |
| 2023-12-14 | 晴天 | 7°/4° | 1.5 mm |
| 2023-12-15 | 晴天 | 8°/5° | 0.0 mm |
| 2023-12-16 | 晴天 | 9°/8° | 0.0 mm |
| 2023-12-17 | 晴天 | 9°/8° | 3.2 mm |
| 2023-12-18 | 晴天 | 10°/7° | 1.3 mm |
| 2023-12-19 | 晴天 | 7°/5° | 1.1 mm |
| 2023-12-20 | 晴天 | 8°/5° | 2.1 mm |
| 2023-12-21 | 晴天 | 9°/6° | 2.7 mm |
| 2023-12-22 | 晴天 | 8°/6° | 3.8 mm |
| 2023-12-23 | 晴天 | 9°/7° | 1.2 mm |
| 2023-12-24 | 晴天 | 10°/7° | 3.1 mm |
| 2023-12-25 | 晴天 | 7°/5° | 3.6 mm |
| 2023-12-26 | 晴天 | 5°/2° | 0.7 mm |
| 2023-12-27 | 晴天 | 9°/3° | 43.3 mm |
| 2023-12-28 | 晴天 | 6°/4° | 8.4 mm |
| 2023-12-29 | 晴天 | 5°/3° | 2.4 mm |
| 2023-12-30 | 晴天 | 7°/1° | 22.8 mm |
| 2023-12-31 | 晴天 | 5°/4° | 13.1 mm |
2023年12月马恩岛共记录 31 天，平均最高 6℃、最低 3℃，降水日 28 天。