The geography of a territory can impact the climate and atmosphere. Geology is the help of a territory. In the event that a zone is near a waterway it will in general make milder atmospheres. Precipitous regions will in general have increasingly extraordinary climate since it goes about as a hindrance to air developments and dampness.
Nepal. Bhutan Thailand, there are many more.
C. increased job opportunities :)
Humans do not contribute to the change of seasons
They are close to the equator, another reason is because of the tropical maritime location, temperature changes throughout the region are generally small.