Tropical weather

Take a look at the following picture with the weather forecast from today for NY.
This looks like a tropical country. It's 27C degrees outside and it is raining. Tomorrow it will be 30C and raining. And the thing is, you never know when it starts raining. You are very well walking on the street and it stars pouring like it is the Great Flood ("diluvio"), and five minutes later it is sunny again.