| 日期 | 天气 | 高/低 | 降水 |
|---|---|---|---|
| 2026-05-01 | 毛毛雨 | 29°/19° | 2.9 mm |
| 2026-05-02 | 大毛毛雨 | 30°/20° | 4.3 mm |
| 2026-05-03 | 雷阵雨 | 30°/21° | 10.0 mm |
| 2026-05-04 | 中阵雨 | 29°/20° | 9.1 mm |
| 2026-05-05 | 阴 | 30°/20° | 0.0 mm |
| 2026-05-06 | 小毛毛雨 | 31°/20° | 0.1 mm |
| 2026-05-07 | 小毛毛雨 | 30°/20° | 1.5 mm |
| 2026-05-08 | 阴 | 30°/19° | 0.0 mm |
| 2026-05-09 | 阴 | 31°/19° | 0.0 mm |
| 2026-05-10 | 阴 | 31°/19° | 0.0 mm |
| 2026-05-11 | 阴 | 30°/19° | 0.0 mm |
| 2026-05-12 | 小毛毛雨 | 30°/21° | 0.1 mm |
| 2026-05-13 | 阵雨 | 30°/21° | 2.6 mm |
| 2026-05-14 | 阵雨 | 30°/21° | 4.1 mm |
| 2026-05-15 | 大毛毛雨 | 31°/21° | 5.4 mm |
| 2026-05-16 | 大毛毛雨 | 31°/20° | 2.3 mm |
| 2026-05-17 | 强阵雨 | 32°/20° | 51.4 mm |
| 2026-05-18 | 阴 | 31°/19° | 0.0 mm |
| 2026-05-19 | 阴 | 29°/20° | 0.0 mm |
| 2026-05-20 | 中阵雨 | 31°/20° | 8.0 mm |
| 2026-05-21 | 阵雨 | 30°/19° | 4.6 mm |
| 2026-05-22 | 阵雨 | 30°/20° | 4.4 mm |
| 2026-05-23 | 毛毛雨 | 29°/20° | 1.9 mm |
| 2026-05-24 | 阴 | 30°/19° | 0.0 mm |
| 2026-05-25 | 阵雨 | 30°/19° | 4.8 mm |
| 2026-05-26 | 小毛毛雨 | 31°/19° | 0.6 mm |
| 2026-05-27 | 毛毛雨 | 32°/20° | 1.2 mm |
| 2026-05-28 | 小毛毛雨 | 31°/20° | 1.0 mm |
| 2026-05-29 | 雷阵雨 | 31°/21° | 14.3 mm |
| 2026-05-30 | 毛毛雨 | 32°/20° | 0.8 mm |
| 2026-05-31 | 毛毛雨 | 34°/21° | 1.8 mm |
2026年05月蒙西翁共记录 31 天，平均最高 30℃、最低 19℃，降水日 23 天。