how is the weather situation of Kunming in June and July . Thanks for your kind response!

Hi, Kunming weather is like spring most of the year, does not have bitter coldness in winter or extreme heat in summer. June and July is the hottest month with an average temperature of 19 C (66 F). For more details about the weather, you could check the following page:
https://www.travelchinaguide.com/climate/kunming.htm