whats the weather like in spring?里面的like是干嘛的

whats the weather like in spring?里面的like是干嘛的
whats the weather like in spring?里面的like是干嘛的 是固定的语法还是可有可无?
whats the weather in spring?这样问可以吗?
whats the weather in spring?这样问可以吗？