What should I wear in Beijing from Apr 18 to Apr 23?

It is the warm and dry Spring time during April. The temperature may be about 8~20C, and there is a sharp difference in temperature between the day and the night. To visit Beijing, you need to bring lightweight clothing such as long-sleeved shirts or T-shirts, plus one or two jackets and sweaters. Do wear warm clothes when enjoying outdoor nightlife.

What should i wear in Beijing from April 29 to May 6, 2017?

It will be sunny to cloudy in the most days at that time and it will rain sometimes. The temperature will be 60F to 85F. You can take some long-sleeve clothes and T-shirts with you. Besides, you may prepare for the sunburn protection in the sunny days.