(a) Weather is the daily fluctuation in temperature, humidity, etc., while climate is the average weather pattern of a place taken over a period of 30 years.
(b) Humidity indicates the wetness of a place due to amount of moisture in the atmosphere while rainfall is the drops of water that fall from clouds on the ground.
(c) Polar region remains very cold for most part of the year whereas tropical rain forest is hot and humid.
(d) Maximum and minimum temperatures of the day indicate highest and lowest recorded temperature, respectively.