1.NounThe long-term manifestations of weather and other atmospheric conditions in a given area or country, now usually represented by the statistical summary of its weather conditions during a period long enough to ensure that representative values are obtained (generally 30 years).
2.NounThe context in general of a particular political, moral, etc., situation.
"Industries that require a lot of fossil fuels are unlikely to be popular in the current political climate."
3.NounAn area of the earth's surface between two parallels of latitude.