| 日期 | 天气 | 高/低 | 降水 |
|---|---|---|---|
| 2025-05-01 | 中雨 | 11°/3° | 19.3 mm |
| 2025-05-02 | 小毛毛雨 | 12°/1° | 0.7 mm |
| 2025-05-03 | 毛毛雨 | 8°/2° | 3.0 mm |
| 2025-05-04 | 阴 | 13°/0° | 0.0 mm |
| 2025-05-05 | 小毛毛雨 | 10°/1° | 2.1 mm |
| 2025-05-06 | 小毛毛雨 | 14°/1° | 0.2 mm |
| 2025-05-07 | 阴 | 16°/2° | 0.0 mm |
| 2025-05-08 | 阴 | 17°/3° | 0.0 mm |
| 2025-05-09 | 中雨 | 11°/7° | 23.5 mm |
| 2025-05-10 | 中雨 | 7°/5° | 25.2 mm |
| 2025-05-11 | 毛毛雨 | 15°/4° | 1.6 mm |
| 2025-05-12 | 阴 | 19°/4° | 0.0 mm |
| 2025-05-13 | 阴 | 20°/8° | 0.0 mm |
| 2025-05-14 | 小毛毛雨 | 19°/8° | 0.1 mm |
| 2025-05-15 | 中阵雨 | 19°/10° | 10.5 mm |
| 2025-05-16 | 雷阵雨 | 22°/8° | 4.5 mm |
| 2025-05-17 | 中阵雨 | 21°/6° | 11.3 mm |
| 2025-05-18 | 阴 | 14°/1° | 0.0 mm |
| 2025-05-19 | 小雨 | 12°/3° | 2.6 mm |
| 2025-05-20 | 阴 | 24°/7° | 0.0 mm |
| 2025-05-21 | 阵雨 | 17°/10° | 8.9 mm |
| 2025-05-22 | 阴 | 21°/8° | 0.0 mm |
| 2025-05-23 | 小雨 | 12°/6° | 10.5 mm |
| 2025-05-24 | 毛毛雨 | 14°/5° | 1.9 mm |
| 2025-05-25 | 小毛毛雨 | 19°/3° | 0.5 mm |
| 2025-05-26 | 阴 | 21°/5° | 0.0 mm |
| 2025-05-27 | 小毛毛雨 | 21°/7° | 0.1 mm |
| 2025-05-28 | 毛毛雨 | 18°/9° | 3.9 mm |
| 2025-05-29 | 阴 | 24°/7° | 0.0 mm |
| 2025-05-30 | 阴 | 24°/9° | 0.0 mm |
| 2025-05-31 | 阴 | 24°/10° | 0.0 mm |
2025年05月孟山共记录 31 天，平均最高 16℃、最低 5℃，降水日 19 天。