December weather forecastCuyutlán, Mexico

Weather in December

The first month of the winter, December, is also a hot month in Cuyutlán, Mexico, with temperature in the range of an average low of 19.9°C (67.8°F) and an average high of 30.2°C (86.4°F).

Temperature

November's transformation into December witnesses an average high-temperature of a still hot 30.2°C (86.4°F), noting a minor change from the preceding month. Throughout December, Cuyutlán witnesses a consistent average low-temperature of 19.9°C (67.8°F).

Heat index

For most parts of December, the heat index is estimated at a sweltering 35°C (95°F). More protective measures are required - heat exhaustion and heat cramps are likely. Heatstroke may follow lengthy activity.
Factoring in the heat index, values are geared towards shaded areas with light breezes. Heat index values have the potential to be boosted by 15 Fahrenheit (8 Celsius) degrees due to direct sunlight.
Note: The heat index, also known as 'felt air temperature' or 'feels like', is an index that combines air temperature and relative humidity to determine the human-perceived temperature equivalent. The individual's experience of temperature can be shaped by numerous aspects such as metabolic variations, physical exertion, and attire. When in direct sunlight, one should be cautious as it can raise the heat index by as much as 15 Fahrenheit (8 Celsius) degrees. Heat index values are of high significance for children. Children often overlook the need for breaks and fluid intake. Thirst is a late-stage sign of dehydration - hence, it is necessary to stay hydrated, especially during extended periods of physical activities.
When faced with excessive heat, the human body begins to perspire, utilizing the cooling benefits of sweat evaporation. An increase in relative humidity hinders the body's normal cooling function by reducing evaporation, thereby decreasing the rate of body cooling and enhancing the sense of warmth. Heat absorption that surpasses the body's shedding capability can lead to overheating and varying levels of dehydration.

Humidity

In December, the average relative humidity is 67%.

Rainfall

In December, the rain falls for 2 days. Throughout December, 5mm (0.2") of precipitation is accumulated. Throughout the year, in Cuyutlán, Mexico, 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 in Cuyutlán.
On the first day of December, sunrise is at 7:13 am and sunset at 6:17 pm. On the last day of the month, sunrise is at 7:29 am and sunset at 6:30 pm CST.

Sunshine

The months with the most sunshine in Cuyutlán 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. A UV Index of 6 to 7 symbolizes a high health risk from exposure to the Sun's UV rays for the average person.
Note: In December, a daily maximum UV index of 6 leads to the following instructions:
Persist with safeguards and heed sun safety doctrines. Keeping sunburn at bay is of prime importance. The Sun's UV radiation is most potent between 10 a.m. and 4 p.m. Try to limit direct exposure to the Sun during this period. Sun protection is enhanced with clothing that boasts a tight weave yet offers a loose fit.