December arrives with the commencement of the dry, cooler spell in
Pakse,
Laos. There is a scant 3mm (0.12") of rainfall, reflecting the typical weather pattern of the region’s dry season. Humidity also reaches its annual low, contributing to the dry and pleasant atmosphere. Despite fewer daylight hours, a compensatory rise in sunshine duration marks December. The UV index stays comparatively low, though sun protection measures are not to be dismissed.
Temperature
As December takes its course, Pakse's average high-temperature registers at a still tropical 30.2°C (86.4°F), closely aligning with the preceding month. Throughout December nights, Pakse experiences a consistent temperature average of 19.7°C (67.5°F).
Heat index
The heat index value during December is appraised at a fiery hot 35°C (95°F). Ensure extra safety measures, heat exhaustion and heat cramps are likely. Continuous activity might result in heatstroke.
Understanding the heat index involves considering values for shaded locales with light wind. If directly exposed to the sun, the heat index could rise by 15 Fahrenheit (8 Celsius) degrees.
Note: The heat index, also known as 'real feel' or 'felt air temperature', comes about by integrating the temperature readings with the humidity levels. The experience of temperature can be subjective, varying based on the individual's activity and heat perception, influenced by factors like wind, attire, and metabolic variations. Recognize that direct exposure to the sun can escalate the heat effect, potentially adding 15 Fahrenheit (8 Celsius) degrees to the heat index. Heat index values are particularly relevant to babies and toddlers. Children often lack awareness of the importance of taking breaks and rehydrating. The feeling of thirst is a late indication of dehydration, so maintaining hydration, especially during long periods of physical activity, is critical.
The human body cools itself through perspiration, as excessive warmth is removed from the body through sweat evaporation. Under high air temperature coupled with high humidity (high heat index), the body's perspiration is reduced, intensifying the sensation of heat. When heat surpasses the body's release mechanisms, dehydration and overheating risks become pronounced.
Humidity
In December, the average relative humidity in Pakse is 67%.
Rainfall
In Pakse, in December, 3mm (0.12") of precipitation is typically accumulated. During the entire year, Pakse aggregates up to 2075mm (81.69") of precipitation.
Daylight
With an average of 11h and 18min of daylight, December has the shortest days of the year.
On the first day of December in Pakse, sunrise is at 06:06 and sunset at 17:24. On the last day of the month, sunrise is at 06:22 and sunset at 17:37 +07.
Sunshine
In December, the average sunshine is 8.4h.
UV index
November and December, with an average maximum UV index of 9, are months with the lowest UV index. A UV Index reading of 8 to 10 represents a very high health vulnerability from unsafe exposure to UV radiation for the average person.
Note: An average maximum UV index of 9 in December leads to these recommendations:
Take all necessary measures. Eyes and skin are at risk if left unprotected. The hours from 10 a.m. to 4 p.m. have the most intense UV radiation. As much as possible, limit direct sun exposure during this period. For excellent sun protection for the eyes, ears, face, and neck, consider a wide-brim hat. Ensure the liberal application and reapplication of a broad-spectrum SPF 30+ sunscreen after each outdoor activity or swim, and every two hours.