December weather forecast
Ixtlahuacán, Mexico

The first month of the winter, December, is still a tropical month in Ixtlahuacán, Mexico, with an average temperature varying between 19.9°C (67.8°F) and 30.2°C (86.4°F).

Temperature

December's average high-temperature stands at a still hot 30.2°C (86.4°F), showing little deviation from November's 30.9°C (87.6°F). December nights in Ixtlahuacán experience a consistent temperature drop to a comfortable 19.9°C (67.8°F).

Heat index

December's average heat index is calculated to be a very hot 35°C (95°F). Ensure extra safety measures, heat exhaustion and heat cramps are likely. Continuous activity might result in heatstroke.
The metrics for the heat index are tailored for both shady environments and light winds. The heat index may experience an enhancement of 15 Fahrenheit (8 Celsius) degrees under direct sunlight.
Note: The heat index, also known as 'feels like' or 'real feel', is a fusion of air temperature and moisture levels to demonstrate the sensation of heat. The perception of temperature can be subjective, varying based on activity and individual heat sensitivity, influenced by factors like wind, attire, and metabolic variations. Considering the impact of direct sunlight, it's possible for the heat index to surge by up to 15 Fahrenheit (8 Celsius) degrees. Heat index values are especially vital to children. Young kids are often more at risk than adults as they tend to perspire less. Besides, their skin surface is larger relative to their small bodies, and their increased heat output from their active lifestyle compounds their risk.
Perspiring is a crucial mechanism for the human body, allowing it to release excessive warmth through evaporating sweat. Under conditions of high relative humidity, the rate of evaporation decreases. This results in the body retaining more heat than under conditions of dry air. Overheating and potential dehydration arise when body heat gain eclipses its release capability.

Humidity

In Ixtlahuacán, the average relative humidity in December is 67%.

Rainfall

In Ixtlahuacán, in December, during 2 rainfall days, 5mm (0.2") of precipitation is typically accumulated. Throughout the year, in Ixtlahuacán, there are 94.5 rainfall days, and 429mm (16.89") of precipitation is accumulated.

Daylight

With an average of 11h and 0min of daylight, December has the shortest days of the year.
On the first day of the month, sunrise is at 7:12 am and sunset at 6:16 pm. On the last day of December, in Ixtlahuacán, Mexico, sunrise is at 7:27 am and sunset at 6:28 pm CST.

Sunshine

The months with the most sunshine in Ixtlahuacán are March, April and December, with an average of 9.9h of sunshine.

UV index

January through March, November and December, with an average maximum UV index of 6, are months with the lowest UV index in Ixtlahuacán, Mexico. A UV Index value of 6 to 7 symbolizes a high health risk from exposure to the Sun's UV radiation for the average person.
Note: The maximum UV index, 6 during December, leads to the following recommendations:
Dodge overexposure. Fair-skinned people can get singed in less than 20 minutes. The Sun's UV radiation is at its strongest between the hours of 10 a.m. and 4 p.m. Minimize direct exposure to the sun during this period. Equip yourself with UVA and UVB-filtering sunglasses on clear, sunny days.