听第2段材料。回答第3至5题。
M：How is the weather today?
W：It’s very hot and humid·
M：Quite different from the forecast.
W：The weather changes often at this time of the year. It’s possible to cool down in the late afternoon.
M：How are the summers here generally?
W：They are usually hot and rainy.
M：I have been here for about a month. It’s very hot and humid.
W：It’s just June now. The rainy season hasn’t arrived yet.
M：What shall we do today? Good weekends shouldn’t be wasted.
W：How about going swimming?
M：Good idea.