December weather forecast
Buena Vista, Paraguay

December, the first month of the summer in Buena Vista, is still a hot month, with an average temperature ranging between max 32.2°C (90°F) and min 21.2°C (70.2°F).

Temperature

Buena Vista experiences an average high-temperature of a still tropical 32.2°C (90°F) in December, subtly different from November's 30.6°C (87.1°F). During December, Buena Vista's temperature falls to a steady low-temperature average of 21.2°C (70.2°F).

Heat index

The heat index for December is evaluated at an extremely hot 43°C (109.4°F). Be prepared: Heat cramps and heat exhaustion are probable. Continued activity may lead to heatstroke.
The heat index's values are generally associated with conditions in shade and light breezes. With direct sunlight, the heat index could increase by 15 Fahrenheit (8 Celsius) degrees.
Note: The heat index, also known as 'real feel' or 'apparent temperature', takes into account both air temperature and humidity to illustrate what people actually feel. One's weather perception can be influenced by a range of factors including metabolic differences, being pregnant, and their level of physical activity. Be mindful that being in direct sunlight might mean feeling hotter, with the heat index rising by up to 15 Fahrenheit (8 Celsius) degrees. Heat index values are highly critical to babies and toddlers. Children frequently underestimate the necessity to rest and hydrate. Thirst is a late sign of dehydration - thus, it is vital to stay hydrated, particularly during lengthy physical exercises.
The evaporation of sweat is a natural cooling mechanism of the human body, facilitated by perspiration. Elevated relative humidity disrupts typical body cooling by reducing the evaporation rate, consequently decreasing the body's cooling rate and enhancing the feeling of heat. Overheating risks increase with rising body temperatures, especially if heat release isn't efficient.

Humidity

In December, the average relative humidity is 74%.

Rainfall

In Buena Vista, during December, the rain falls for 18.1 days and regularly aggregates up to 91mm (3.58") of precipitation. Throughout the year, in Buena Vista, there are 166.5 rainfall days, and 885mm (34.84") of precipitation is accumulated.

Daylight

The month with the longest days is December, with an average of 13h and 42min of daylight.
On the first day of December, sunrise is at 05:43 and sunset at 19:23. On the last day of the month, sunrise is at 05:55 and sunset at 19:40 -03.

Sunshine

November and December, with an average of 10.5h of sunshine, are months with the most sunshine in Buena Vista.

UV index

The months with the highest UV index are January and December, with an average maximum UV index of 7. A UV Index estimate of 6 to 7 represents a high threat to health from unsafe exposure to UV radiation for average individuals.
Note: In December, the maximum UV index of 7 transforms into these recommendations:
Stick with precautions and abide by sun safety procedures. Evading sunburn is essential. Between 10 a.m. and 4 p.m., UV radiation is strongest. Make an effort to avoid direct sunlight during this time, remembering that shade structures may not provide full sun protection. Prioritize a wide-brim hat for comprehensive sun defense for your face, neck, eyes, and ears.