December weather forecast
Portachuelo, Bolivia

December's weather in Portachuelo seals the city's transition into full-blown wet season with the highest rainfall of the year - a massive 141mm (5.55"). High temperatures remain steady from November, while the plummeting wind speed creates days of calm. The atmospheric pressure drops subtly, furthering the chance of a downpour. As the year comes to a close, the weather conditions provide a spectacular visual treat debuting lush landscapes and atmospheric skies.

Temperature

The average high-temperature in Portachuelo is a still tropical 30.7°C (87.3°F) in December, hardly different from the 31.9°C (89.4°F) recorded in November. The average temperature during December nights is registered at a pleasant 21.9°C (71.4°F).

Heat index

The heat index value for December is evaluated at a sweltering 39°C (102.2°F). Undertake extra safety actions, heat cramps and heat exhaustion are expected. Heatstroke may result from lengthy activity.
Metrics for the heat index primarily focus on shaded spots and light wind conditions. The heat index could see an increase by 15 Fahrenheit (8 Celsius) degrees under direct sunshine.
Note: The heat index, also known as 'feels like' or 'real feel', is found by incorporating humidity levels into the air temperature measurement. The effect is personal, with varied weather perceptions among individuals due to differences in body mass, stature, and physical activity. Being under direct sunshine can magnify the heat experience, possibly pushing up the heat index by 15 Fahrenheit (8 Celsius) degrees. Heat index values are particularly relevant to babies and toddlers. Children frequently do not comprehend the need for rest and hydration. Thirst is an advanced stage of dehydration - staying hydrated, especially during extended physical exercises, is essential.
Perspiration, which is the evaporation of sweat, is a primary way the human body manages and dispels excessive warmth. A higher relative humidity affects normal body cooling by reducing the evaporation rate, subsequently lowering the rate at which the body cools and increasing the perception of heat. When the body is unable to balance heat gain, its temperature elevates, which may induce thermal illnesses.

Humidity

The average relative humidity in December is 77%.

Rainfall

December is the month with the most rainfall in Portachuelo. Rain falls for 22.7 days and accumulates 141mm (5.55") of precipitation.

Daylight

With an average of 13h and 6min of daylight, December has the longest days of the year.
On the first day of December, sunrise is at 05:30 and sunset at 18:35. On the last day of the month, sunrise is at 05:42 and sunset at 18:51 -04.

Sunshine

In Portachuelo, the average sunshine in December is 8.7h.

UV index

In December, the average daily maximum UV index is 6. 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: The maximum UV index, 6 during December, leads to the following recommendations:
Take precautions and adopt sun safety practices. Protection against sunburn is obliged. Limit your exposure to the sun's UV radiation, which is strongest between 10 a.m. and 4 p.m., and note that parasols or canopies may not provide full sun protection. On days when the sun blazes, arm yourself with sunglasses that block UVA and UVB radiation.