December weather forecast
San Benito, Guatemala

December brings a further decline in rainfall and temperature in San Benito, announcing the arrival of the year's end and the colder season. Days become shorter with diminishing daylight hours. Cool breezes become more frequent, especially during the evenings. Cloud cover is also on the increase, though sunshine remains a consistent element in the daily weather pattern. December's colder and drier traits round up the climatic journey of the year, preparing San Benito for the start of a new annual cycle.

Temperature

December reports an average high-temperature of a still warm 27.6°C (81.7°F), slightly varied from November's 28.5°C (83.3°F). Throughout the month of December, San Benito witnesses an average temperature of 17.7°C (63.9°F).

Heat index

December's mean heat index is appraised at a tropical 32°C (89.6°F). With prolonged exposure and constant activity, one might feel exhausted and experience heat cramps.
Observations indicate that the heat index values are for shady locations with light wind. Heat index values might soar by up to 15 Fahrenheit (8 Celsius) degrees with exposure to direct sunshine.
Note: The heat index, also known as 'apparent temperature' or 'feels like', is a metric representing the sensation of warmth when air temperature and moisture come together. Elements of metabolic variation, physical activity, and clothing contribute to the effect of temperature on an individual. Awareness of direct sun exposure is crucial as it has the potential to heighten the weather's effects, pushing up the heat index by 15 Fahrenheit (8 Celsius) degrees. Heat index values are particularly important for children. Young ones are generally at greater risk than adults due to their limited sweating ability. In addition, their large skin surface relative to their small bodies and higher heat production from their activities add to their vulnerability.

Humidity

October through December, with an average relative humidity of 85%, are the most humid months in San Benito.

Rainfall

In San Benito, in December, during 13.2 rainfall days, 30mm (1.18") of precipitation is typically accumulated. Throughout the year, in San Benito, there are 227.8 rainfall days, and 871mm (34.29") of precipitation is accumulated.

Daylight

With an average of 11h and 6min of daylight, December has the shortest days of the year in San Benito.
On the first day of December, sunrise is at 06:13 and sunset at 17:24. On the last day of the month, sunrise is at 06:28 and sunset at 17:37 CST.

Sunshine

The average sunshine in December is 5.2h.

UV index

The average daily maximum UV index in December is 6. A UV Index reading of 6 to 7 represents a high threat to health from exposure to the Sun's UV rays for the ordinary person.
Note: A maximum high UV index of 6 in December translates into the following recommendations:
Use protective steps and abide by sun safety guidelines. Safeguarding against skin and eye harm is necessary. Stay out of direct sunlight between 10 a.m. and 4 p.m., when UV radiation is most intense, and remember that not all shade structures provide complete protection. In the presence of strong sunlight, it's crucial to wear sunglasses that ward off UVA and UVB rays.