October weather forecast
Chichén Itzá, Mexico

October, like September, is another tropical autumn month in Chichén Itzá, Mexico, with an average temperature ranging between min 21.5°C (70.7°F) and max 31.4°C (88.5°F).

Temperature

October brings an average high-temperature of a still tropical 31.4°C (88.5°F), showing a slight difference from September's 33.2°C (91.8°F). In October, the recorded average low-temperature is a pleasant 21.5°C (70.7°F).

Heat index

For most parts of October, the heat index is evaluated at a blistering 43°C (109.4°F). Observe: Heat exhaustion and heat cramps are probable. Heatstroke is on the horizon with prolonged exertion.
Note that heat index values are valued for light wind and location in the shade. A direct sunlight exposure may boost the heat index by 15 Fahrenheit (8 Celsius) degrees.
Note: The heat index, also known as 'apparent temperature' or 'felt air temperature', is a metric representing the sensation of warmth when air temperature and moisture come together. Additional elements encompassing metabolic differences, the degree of physical activity, and attire can impact the individual's perception of temperature. Keep in mind that direct sunshine exposure can amplify the weather's effects, possibly increasing the heat index by up to 15 Fahrenheit (8 Celsius) degrees. Heat index values remain especially vital for babies and toddlers. Young ones often disregard the necessity to rest and hydrate. Thirst usually indicates advanced dehydration - hence, it is key to stay hydrated, particularly during ongoing physical activities.
One of the main methods the human body employs to cool down is by perspiring, as this process allows sweat to evaporate and remove excess heat. Higher relative humidity impedes evaporation, thus reducing heat dispersion from the body, culminating in a sensation of overheating. If the body retains more heat than it can expel, the increasing temperature can lead to heat-related conditions.

Humidity

September and October, with an average relative humidity of 82%, are the most humid months.

Rainfall

In Chichén Itzá, in October, during 22.3 rainfall days, 73mm (2.87") of precipitation is typically accumulated. In Chichén Itzá, during the entire year, the rain falls for 195.8 days and collects up to 599mm (23.58") of precipitation.

Daylight

In Chichén Itzá, the average length of the day in October is 11h and 40min.
On the first day of the month, sunrise is at 5:45 am and sunset at 5:41 pm. On the last day of October, sunrise is at 5:56 am and sunset at 5:19 pm CST.

Sunshine

In October, the average sunshine is 7.1h.

UV index

The months with the lowest UV index are January, February, October through December, with an average maximum UV index of 6. A UV Index of 6 to 7 symbolizes a high threat to health from unsafe exposure to UV radiation for the ordinary person.
Note: In October, the UV index of 6 transforms into the following advice:
Persist with safeguards and heed sun safety doctrines. Keeping sunburn at bay is of prime importance. Stay in the shade and limit direct Sun exposure from 10 a.m. to 4 p.m., a time when UV radiation is particularly strong. Remember, however, that shade structures may not provide complete protection. A wide-brimmed hat provides unparalleled sun protection for sensitive areas like the eyes, ears, and neck.