在英语中，春天很热可以用以下几种表达方式来表示：

Spring is very warm.
It's very warm in spring.
The spring weather is warm.
The temperature is warm in spring.

这些表达方式都用来描述春天气温较高的情况。

下面是一些例句：

I can't bepeve how warm it is in spring this year.
The spring weather has been unusually warm this year.
It's so warm in spring that I don't even need a jacket.
The warm spring weather makes me want to go outside and enjoy the sunshine.

中文翻译：

我真的不敢相信今年春天这么热。
今年春天的天气异常热。
春天真的太热了，甚至我都不需要外套。
温暖的春天天气让我想出去享受阳光。