月份前用什么介词

月份前用介词“in”。

in后面跟年、月、季节、泛指的上午、下午、晚上。例如：in 1968；in March；in spring；in the morning。例句：In March and April, the weather is much less predictable.三、四月份的天气非常不好预测。The rocket was launched in March 1980.这枚火箭发射于1980年3月。It was five o'clock in the morning.那是在早上五点钟。I want to make an early start in the morning.我想早上早点出发。