At what time of day is the relative humidity normally at a minimum?
A) when the air temperature is highest
B) just before sunrise
C) about midnight
D) when the air temperature is lowest

Question

Quizplus · Accepted Answer

Relative humidity is the amount of moisture in the air compared to the maximum amount of moisture the air can hold at a given temperature. Warm air can hold more moisture than cool air, so when the temperature is highest, the relative humidity is typically lower because the air can hold more moisture. Therefore, the answer is A - when the air temperature is highest.

At What Time of Day Is the Relative Humidity Normally