Objectively measurable stimuli are used in psychophysics experiments, such as lights varying in brightness, or sounds varying in loudness. A threshold, or limin, is the point at which a subject can detect a stimulus, or a change in the stimulus.
Cancun: Annual Weather Averages. June is the hottest month in Cancun with an average temperature of 28Â°C (82Â°F) and the coldest is January at 23Â°C (73Â°F) with the most daily sunshine hours at 11 in August. The wettest month is September with an average of 270mm of rain.
What is the weather like in Cancun in October? Quick Answer. In October, Cancun has an average daily low of 73 to 76 degrees Fahrenheit, and an average daily high of 86 to 88 F. October is at the end of Cancun's wet season, with frequent short periods of heavy rainfall.