| 日期 | 天气 | 高/低 | 降水 |
|---|---|---|---|
| 2026-04-01 | 阴 | 31°/21° | 0.0 mm |
| 2026-04-02 | 大雨 | 28°/18° | 14.0 mm |
| 2026-04-03 | 毛毛雨 | 28°/21° | 0.7 mm |
| 2026-04-04 | 中雨 | 23°/14° | 15.5 mm |
| 2026-04-05 | 阴 | 19°/11° | 0.0 mm |
| 2026-04-06 | 阴 | 22°/8° | 0.0 mm |
| 2026-04-07 | 阴 | 22°/9° | 0.0 mm |
| 2026-04-08 | 阴 | 25°/12° | 0.0 mm |
| 2026-04-09 | 强阵雨 | 27°/17° | 14.4 mm |
| 2026-04-10 | 阴 | 26°/18° | 0.0 mm |
| 2026-04-11 | 阴 | 27°/19° | 0.0 mm |
| 2026-04-12 | 小毛毛雨 | 23°/18° | 0.8 mm |
| 2026-04-13 | 小毛毛雨 | 30°/20° | 0.4 mm |
| 2026-04-14 | 阴 | 29°/21° | 0.0 mm |
| 2026-04-15 | 小毛毛雨 | 27°/21° | 0.4 mm |
| 2026-04-16 | 阴 | 30°/19° | 0.0 mm |
| 2026-04-17 | 阴 | 30°/21° | 0.0 mm |
| 2026-04-18 | 小毛毛雨 | 24°/10° | 0.4 mm |
| 2026-04-19 | 大毛毛雨 | 21°/8° | 1.1 mm |
| 2026-04-20 | 小雨 | 16°/12° | 3.3 mm |
| 2026-04-21 | 中雨 | 17°/13° | 14.5 mm |
| 2026-04-22 | 雾 | 26°/17° | 0.0 mm |
| 2026-04-23 | 阴 | 28°/20° | 0.0 mm |
| 2026-04-24 | 阴 | 32°/22° | 0.0 mm |
| 2026-04-25 | 阴 | 31°/23° | 0.0 mm |
| 2026-04-26 | 阴 | 30°/22° | 0.0 mm |
| 2026-04-27 | 阴 | 31°/23° | 0.0 mm |
| 2026-04-28 | 阴 | 31°/24° | 0.0 mm |
| 2026-04-29 | 雾 | 25°/16° | 0.0 mm |
| 2026-04-30 | 毛毛雨 | 19°/16° | 1.5 mm |
2026年04月威廉森共记录 30 天，平均最高 25℃、最低 17℃，降水日 12 天。