Shanghai Weather in May
When spring ends and summer begins, it is not only the temperature that surges. The humidity value is high too. The weather changes irregularly.
| Average Maximum | Average Minimum | Highest Maximum | Lowest Minimum | |
| ℃ | 27 | 19 | 32 | 16 |
| ℉ | 80.6 | 66.2 | 89.6 | 60.8 |
Sunny Days: 8 days
Cloudy Days: 8 days
Rainy Days: 14 days
What to wear and bring?
In early May
Cotton and loose clothing is the wise choice while polyester and tight clothing would be uncomfortable. Breathable clothing could reduce sweating.
Tips
Weather on Labor Day:
It rains a lot on Labor Day, and so the UV reading is generally low. The temperature is cool at dawn and dusk.
In mid-May
The weather is changeable, so keep an eye on the weather forecast and be prepared appropriately with rain gear, sunblock cream, and avoid catching a cold by getting wet and/or chilled.
In late May
Loose clothing enables outdoor activities and ventilation in the summer heat.
Historical Shanghai Weather in May
click here to enlarge 
Shanghai Weather in April 
Shanghai Weather in June 
Shanghai Weather in July 
Shanghai Travel Guide