The national language of the Republic of China is Mandarin Chinese, though other dialects, such as Taiwanese, are spoken as well. Most hotel staff can speak English. However, many taxi cab drivers speak only Chinese, so it is a good idea to have hotel personnel write both your destination and your hotel's name and address in Chinese. Taiwan's climate is subtropical, with an average annual temperature of 22 degrees Celsius or 72 degrees Fahrenheit. Summer, which lasts from May through September, is usually hot and humid.
Lightweight clothing is the norm.
Be sure to take comfortable walking shoes. The drinking water served at hotels and restaurants is distilled or boiled and safe for drinking. Consider drinking bottled water, which is readily available. The electrical current in Taipei is 110 volts. Taiwan is an advanced society with high standards of health, hygiene, and public safety.