Wulai has a humid subtropical climate which is highly influenced by the monsoon. Summers are long and humid while winters are short and foggy. Maximum rainfall is received during the summer months with sudden bursts throughout the year.
The best time to visit Wulai is during the spring season months of March to May and in the autumn month of October. Tourists can escape the humid heat of the summers and also will not be constantly drenched by the rain.