| 日期 | 天气 | 高/低 | 降水 |
|---|---|---|---|
| 2025-01-01 | 阴 | 20°/16° | 0.0 mm |
| 2025-01-02 | 阴 | 23°/16° | 0.0 mm |
| 2025-01-03 | 阴 | 24°/15° | 0.0 mm |
| 2025-01-04 | 阴 | 22°/13° | 0.0 mm |
| 2025-01-05 | 阴 | 23°/14° | 0.0 mm |
| 2025-01-06 | 阴 | 25°/13° | 0.0 mm |
| 2025-01-07 | 小毛毛雨 | 25°/16° | 0.2 mm |
| 2025-01-08 | 小毛毛雨 | 25°/17° | 1.4 mm |
| 2025-01-09 | 阴 | 25°/17° | 0.0 mm |
| 2025-01-10 | 晴间多云 | 20°/13° | 0.0 mm |
| 2025-01-11 | 阴 | 18°/12° | 0.0 mm |
| 2025-01-12 | 阴 | 19°/10° | 0.0 mm |
| 2025-01-13 | 阴 | 20°/11° | 0.0 mm |
| 2025-01-14 | 毛毛雨 | 19°/18° | 3.9 mm |
| 2025-01-15 | 小毛毛雨 | 19°/17° | 1.0 mm |
| 2025-01-16 | 阴 | 21°/14° | 0.0 mm |
| 2025-01-17 | 阴 | 21°/12° | 0.0 mm |
| 2025-01-18 | 阴 | 24°/13° | 0.0 mm |
| 2025-01-19 | 晴间多云 | 24°/13° | 0.0 mm |
| 2025-01-20 | 晴间多云 | 23°/13° | 0.0 mm |
| 2025-01-21 | 阴 | 24°/14° | 0.0 mm |
| 2025-01-22 | 小毛毛雨 | 21°/16° | 0.7 mm |
| 2025-01-23 | 小毛毛雨 | 26°/17° | 0.3 mm |
| 2025-01-24 | 小毛毛雨 | 29°/18° | 0.2 mm |
| 2025-01-25 | 晴间多云 | 27°/18° | 0.0 mm |
| 2025-01-26 | 小毛毛雨 | 21°/12° | 1.2 mm |
| 2025-01-27 | 阴 | 17°/12° | 0.0 mm |
| 2025-01-28 | 阴 | 19°/11° | 0.0 mm |
| 2025-01-29 | 阴 | 23°/12° | 0.0 mm |
| 2025-01-30 | 小毛毛雨 | 25°/14° | 0.4 mm |
| 2025-01-31 | 阴 | 28°/17° | 0.0 mm |
2025年01月定安县共记录 31 天，平均最高 22℃、最低 14℃，降水日 9 天。