equable

He has an equable temperament, rarely getting angry even in high-pressure situations.

(Chinese) 他性格沉稳，即使在压力很大的情况下也很少生气。

The island is a popular retirement destination because of its equable climate, with mild temperatures year-round.

(Chinese) 由于气候稳定，全年气温温和，该岛是一个受欢迎的养老目的地。