Weather: June is the beginning of summer season. The summer rains begin, with occasional thunderstorms. Temperatures range from 18 to 30 °C (64 to 86 °F) on average. It is a perfect combination month of good weather and less tourists.
Clothing: A short sleeve T-shirt is enough for the day, but you need to bring long-sleeved clothing for cool nights.
As the summer approaches, visitors worldwide are poised to follow the Silk Road to the center of Asia. Because in the middle of the year it’s time to visit the Middle Kingdom. As the capital, Beijing has a reputation and responsibility to put on the best show of the summer.
The Water Cube: Escape the summer heat with a visit to the legendary Beijing Olympic Stadium and the Water Cube. Enjoy live performances in the vast 17,000 seat capacity center or even swim in the same waters as Olympic legends like Phelps.
Grandview Garden is a garden, a mansion, a lake, and a historical landmark all wrapped into one captivating trip. And a number of thislocale’s special features are exclusive to the summer. The expansive lake beyond the mansion’s windows can be traversed by visitors only within the warmer months of the year. So in June make sure to find yourself in this indoor and outdoor hotspot.
Chaoyang Park: The largest park in Beijing, Chaoyang Park is so full of things to do that visitors may have to plan a second trip. Children’s playground, amusement park, 4 ponds, sandy beaches with waves, a bungee tower and too much for one article to describe. Also the center for live performance in Beijing, find it on Nongzhannan Road; the park with a thousand faces.
Dragon Boat Festival usually takes place during June (otherwise it's in late May; the festival falls on the 5th day of the 5th month according to the Chinese lunar calendar). There are various celebrations in the city. See Beijing's Festival calendar.
Be aware: June to October is the peak tourist season in Beijing.