Taipei has a subtropical climate, meaning that it can be quite hot and humid. Here are the statistical temperature recordings for the month of August in the past three years:
Average daily temperature: 29C (85F)
Daily max temperature: 33C (92F)
Daily min temperature: 27C (80F)
Umbrellas may be purchased for NT$60-NT$100 at local convenience stores. Most buildings and all forms of public transportation are air-conditioned. Besides summer clothing, bring a light jacket just in case the air-conditioner gets too cold.