在雅思口语中描述喜欢天气时，你可以参考以下结构：

What kind of weather it is- 描述你喜欢的天气类型。

When this weather usually occurs- 说明这种天气通常何时出现。

What you usually do during this weather- 描述在这种天气下你通常会做什么。

And explain why you like this weather- 解释为什么你喜欢这种天气。

例如，如果你喜欢雨天，你可以这样回答：

"I feel really comfortable in rainy days. The sound of raindrops and the fresh air make me feel peaceful and rejuvenated. I usually spend my time reading or going for walks in the park. I like rainy weather because it brings a sense of calm and helps me focus better on my studies."

记得在回答时保持自然，使用恰当的词汇和语法结构。祝你雅思口语考试顺利!