| 日期 | 天气 | 高/低 | 降水 |
|---|---|---|---|
| 2025-05-01 | 大毛毛雨 | 19°/12° | 1.6 mm |
| 2025-05-02 | 强阵雨 | 18°/11° | 29.2 mm |
| 2025-05-03 | 小毛毛雨 | 17°/11° | 0.2 mm |
| 2025-05-04 | 大毛毛雨 | 18°/11° | 1.1 mm |
| 2025-05-05 | 小雨 | 19°/11° | 2.3 mm |
| 2025-05-06 | 大毛毛雨 | 14°/12° | 9.3 mm |
| 2025-05-07 | 阴 | 17°/11° | 0.0 mm |
| 2025-05-08 | 阴 | 19°/11° | 0.0 mm |
| 2025-05-09 | 中阵雨 | 16°/14° | 48.8 mm |
| 2025-05-10 | 大毛毛雨 | 20°/14° | 2.4 mm |
| 2025-05-11 | 小毛毛雨 | 17°/12° | 1.6 mm |
| 2025-05-12 | 阴 | 19°/13° | 0.0 mm |
| 2025-05-13 | 阴 | 21°/12° | 0.0 mm |
| 2025-05-14 | 阴 | 20°/14° | 0.0 mm |
| 2025-05-15 | 阴 | 20°/15° | 0.0 mm |
| 2025-05-16 | 毛毛雨 | 21°/16° | 0.9 mm |
| 2025-05-17 | 小雨 | 21°/17° | 6.4 mm |
| 2025-05-18 | 阴 | 22°/17° | 0.0 mm |
| 2025-05-19 | 阴 | 20°/15° | 0.0 mm |
| 2025-05-20 | 小毛毛雨 | 23°/17° | 0.1 mm |
| 2025-05-21 | 强阵雨 | 20°/18° | 44.1 mm |
| 2025-05-22 | 强阵雨 | 23°/17° | 53.6 mm |
| 2025-05-23 | 小毛毛雨 | 20°/16° | 0.1 mm |
| 2025-05-24 | 中阵雨 | 17°/15° | 66.5 mm |
| 2025-05-25 | 毛毛雨 | 18°/13° | 1.9 mm |
| 2025-05-26 | 阴 | 17°/12° | 0.0 mm |
| 2025-05-27 | 阴 | 21°/14° | 0.0 mm |
| 2025-05-28 | 阴 | 21°/15° | 0.0 mm |
| 2025-05-29 | 小毛毛雨 | 19°/16° | 0.4 mm |
| 2025-05-30 | 小毛毛雨 | 20°/15° | 0.8 mm |
| 2025-05-31 | 阴 | 23°/13° | 0.0 mm |
2025年05月周防大岛町共记录 31 天，平均最高 19℃、最低 13℃，降水日 19 天。