| 日期 | 天气 | 高/低 | 降水 |
|---|---|---|---|
| 2025-04-01 | 阴 | 37°/25° | 0.0 mm |
| 2025-04-02 | 阴 | 32°/25° | 0.0 mm |
| 2025-04-03 | 阴 | 38°/25° | 0.0 mm |
| 2025-04-04 | 阴 | 39°/26° | 0.0 mm |
| 2025-04-05 | 阴 | 39°/26° | 0.0 mm |
| 2025-04-06 | 小毛毛雨 | 39°/26° | 0.6 mm |
| 2025-04-07 | 阵雨 | 39°/26° | 4.9 mm |
| 2025-04-08 | 小毛毛雨 | 37°/26° | 0.5 mm |
| 2025-04-09 | 毛毛雨 | 38°/26° | 1.2 mm |
| 2025-04-10 | 阴 | 37°/26° | 0.0 mm |
| 2025-04-11 | 阴 | 36°/25° | 0.0 mm |
| 2025-04-12 | 阴 | 38°/26° | 0.0 mm |
| 2025-04-13 | 毛毛雨 | 37°/28° | 1.6 mm |
| 2025-04-14 | 小毛毛雨 | 35°/25° | 0.1 mm |
| 2025-04-15 | 阵雨 | 35°/25° | 1.7 mm |
| 2025-04-16 | 小毛毛雨 | 37°/27° | 0.4 mm |
| 2025-04-17 | 阴 | 38°/27° | 0.0 mm |
| 2025-04-18 | 阴 | 39°/27° | 0.0 mm |
| 2025-04-19 | 阴 | 37°/28° | 0.0 mm |
| 2025-04-20 | 小毛毛雨 | 38°/27° | 0.2 mm |
| 2025-04-21 | 小毛毛雨 | 40°/27° | 0.2 mm |
| 2025-04-22 | 毛毛雨 | 39°/27° | 1.4 mm |
| 2025-04-23 | 阴 | 38°/26° | 0.0 mm |
| 2025-04-24 | 小毛毛雨 | 38°/26° | 0.5 mm |
| 2025-04-25 | 阴 | 40°/26° | 0.0 mm |
| 2025-04-26 | 中阵雨 | 39°/26° | 8.8 mm |
| 2025-04-27 | 阵雨 | 37°/25° | 1.8 mm |
| 2025-04-28 | 阴 | 39°/26° | 0.0 mm |
| 2025-04-29 | 中阵雨 | 38°/24° | 3.7 mm |
| 2025-04-30 | 阴 | 40°/26° | 0.0 mm |
2025年04月成田共记录 30 天，平均最高 37℃、最低 26℃，降水日 15 天。