If you’re hoping to get lost in the rain on your romantic getaway, take a look at these details about year-round temperatures in Zhongzheng: The hottest months are usually July and August, with an average temperature of 28°C, while the coldest months are January and February, with an average of 18°C. The rainiest months in Zhongzheng are August, June, May and September, with each month seeing an average of 197 mm of rainfall.