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.
Averages for Cancun in October. Weather lowdown. After a hot and humid summer, Cancun, Mexico begins to cool down in October, when temperatures drop slightly and the probability of rainfall increases.During this month, the average temperature for Cancun is 27 Â° C/81 Â° F, created by average highs of 31 Â° C/88.uring October in Cancun, the resort is subject to an average of 177mm/7 inches of rainfall, which is spread out over 11 wet days. This makes October the second wettest month of the year, falling just behind September.