| 日期 | 天气 | 高/低 | 降水 |
|---|---|---|---|
| 2024-05-01 | 小雪 | 3°/1° | 1.7 mm |
| 2024-05-02 | 中雪 | 6°/0° | 2.6 mm |
| 2024-05-03 | 小毛毛雨 | 6°/1° | 0.1 mm |
| 2024-05-04 | 阴 | 7°/0° | 0.0 mm |
| 2024-05-05 | 阴 | 15°/0° | 0.0 mm |
| 2024-05-06 | 阴 | 18°/2° | 0.0 mm |
| 2024-05-07 | 阴 | 18°/7° | 0.0 mm |
| 2024-05-08 | 阴 | 19°/4° | 0.0 mm |
| 2024-05-09 | 毛毛雨 | 17°/5° | 4.0 mm |
| 2024-05-10 | 阴 | 19°/5° | 0.0 mm |
| 2024-05-11 | 阴 | 19°/8° | 0.5 mm |
| 2024-05-12 | 阴 | 10°/2° | 0.1 mm |
| 2024-05-13 | 阴 | 12°/-1° | 0.0 mm |
| 2024-05-14 | 阴 | 16°/1° | 0.0 mm |
| 2024-05-15 | 小毛毛雨 | 19°/4° | 0.0 mm |
| 2024-05-16 | 毛毛雨 | 13°/7° | 10.9 mm |
| 2024-05-17 | 毛毛雨 | 16°/8° | 0.0 mm |
| 2024-05-18 | 小雨 | 10°/6° | 32.8 mm |
| 2024-05-19 | 毛毛雨 | 6°/1° | 4.5 mm |
| 2024-05-20 | 阴 | 5°/1° | 0.0 mm |
| 2024-05-21 | 阴 | 7°/2° | 0.0 mm |
| 2024-05-22 | 阴 | 10°/0° | 0.0 mm |
| 2024-05-23 | 小毛毛雨 | 8°/0° | 0.0 mm |
| 2024-05-24 | 毛毛雨 | 9°/-1° | 3.3 mm |
| 2024-05-25 | 小雨 | 6°/3° | 12.2 mm |
| 2024-05-26 | 小毛毛雨 | 5°/4° | 2.7 mm |
| 2024-05-27 | 小毛毛雨 | 10°/4° | 1.4 mm |
| 2024-05-28 | 阴 | 18°/2° | 0.0 mm |
| 2024-05-29 | 阴 | 23°/6° | 0.0 mm |
| 2024-05-30 | 小雨 | 19°/10° | 2.6 mm |
| 2024-05-31 | 小毛毛雨 | 17°/8° | 4.2 mm |
2024年05月第21分区共记录 31 天，平均最高 12℃、最低 3℃，降水日 18 天。