Koppen classified the world mainly into the following five climatic zones:
1. Tropical Wet Climatic Zone: In this climatic zone, the temperature is found to be more than 18 degree Celsius in all the months. The condition of the lack of winter season can also be seen here.
2. Dry Climate: In this climatic zone, evaporation is more than the rainfall. Lack of water is found here.
3. Hot Temperate Humid: Summer and winter, both the seasons, are found here. The average temperature of the coldest month is found to be less than 18 degree Celsius.
4. Snowy Temperate Climate: The harsh winter season is found in this climatic zone. The average temperature in autumn period is less than 3 degree Celsius. The average temperature in summer season is more than 10 degree Celsius.
5. Polar Climate: Lack of summer season is found in this type of climatic zone. The average temperature of the warmest month is found to be less than 10 degree Celsius.