The high latitudes are called the polars its always cold and once it gets dark it stays dark for a very long period of time, it is the same with day time. Very few people live there at all, but the people that do must wear very warm clothes.
In the middle latitudes It can be warm or cool. Most people live here and when it is cool they were warmer clothes and when it warmer they were cooler clothes. This is calle the temparate zone.
Its very hot in the low latitudes this is called the tropics.