| 日期 | 天气 | 高/低 | 降水 |
|---|---|---|---|
| 2025-01-01 | 阴 | 22°/18° | 0.0 mm |
| 2025-01-02 | 阴 | 21°/18° | 0.0 mm |
| 2025-01-03 | 阴 | 22°/17° | 0.0 mm |
| 2025-01-04 | 小毛毛雨 | 21°/15° | 0.2 mm |
| 2025-01-05 | 阴 | 21°/16° | 0.0 mm |
| 2025-01-06 | 阴 | 22°/15° | 0.0 mm |
| 2025-01-07 | 小毛毛雨 | 23°/16° | 0.2 mm |
| 2025-01-08 | 小毛毛雨 | 23°/19° | 1.0 mm |
| 2025-01-09 | 阴 | 22°/18° | 0.0 mm |
| 2025-01-10 | 阴 | 18°/15° | 0.0 mm |
| 2025-01-11 | 晴天 | 17°/15° | 0.0 mm |
| 2025-01-12 | 阴 | 17°/14° | 0.0 mm |
| 2025-01-13 | 阴 | 19°/13° | 0.0 mm |
| 2025-01-14 | 小毛毛雨 | 19°/18° | 3.2 mm |
| 2025-01-15 | 小毛毛雨 | 20°/17° | 0.6 mm |
| 2025-01-16 | 阴 | 19°/15° | 0.0 mm |
| 2025-01-17 | 阴 | 20°/14° | 0.0 mm |
| 2025-01-18 | 阴 | 21°/15° | 0.0 mm |
| 2025-01-19 | 晴天 | 22°/15° | 0.0 mm |
| 2025-01-20 | 多云 | 22°/14° | 0.0 mm |
| 2025-01-21 | 阴 | 22°/15° | 0.0 mm |
| 2025-01-22 | 小毛毛雨 | 19°/17° | 0.3 mm |
| 2025-01-23 | 小毛毛雨 | 23°/18° | 0.3 mm |
| 2025-01-24 | 阴 | 29°/18° | 0.0 mm |
| 2025-01-25 | 多云 | 27°/19° | 0.0 mm |
| 2025-01-26 | 小毛毛雨 | 20°/12° | 0.9 mm |
| 2025-01-27 | 阴 | 16°/12° | 0.0 mm |
| 2025-01-28 | 阴 | 18°/14° | 0.0 mm |
| 2025-01-29 | 阴 | 20°/15° | 0.0 mm |
| 2025-01-30 | 小毛毛雨 | 23°/16° | 0.5 mm |
| 2025-01-31 | 阴 | 26°/17° | 0.0 mm |
2025年01月海口市共记录 31 天，平均最高 21℃、最低 15℃，降水日 9 天。