July is one of the hottest months in Taiwan with the highest temperature up to around 38℃ (100℉). It is also the typhoon season offering the most activities to experience in Taiwan. You need to bring raincoat or umbrellas with you when travel to Taiwan in July.
Travelling in Taiwan, you should not miss Taiwan Sun Moon Lake(https://www.travelchinaguide.com/attraction/taiwan/sun_moon.htm) ,Cingjing Farm and Taiwan Ali Mountain(https://www.travelchinaguide.com/attraction/taiwan/mt_ali.htm) as well as other famous Taiwan attractions.
For Taiwan Dining(https://www.travelchinaguide.com/cityguides/taiwan/dining.htm) , if you want to try various kinds of snacks in Taiwan, snack streets and night markets will be the ideal choice. Taipei Shih-lin Night Market, Huahsi Street Night Market, Raohe Street Night Market, Tan Shui Night Market, Keelung Temple Night Market and Hsinchu Lord Temple Night Market are all recommended.
For Taiwan Shopping(https://www.travelchinaguide.com/cityguides/taiwan/shopping.htm) , Taipei Hsimending Commercial District,Taipei Zhongciao Road Commercial District and Tai Chung Chingming First Street are ideal places.