December weather forecast
Tavaí, Paraguay

The first month of the summer, December, is still a hot month in Tavaí, Paraguay, with an average temperature varying between 32.1°C (89.8°F) and 21.1°C (70°F).

Temperature

In Tavaí, the average high-temperature in December is essentially the same as in November - a still tropical 32.1°C (89.8°F). In Tavaí, the average low-temperature is 21.1°C (70°F).

Heat index

In December, the average heat index is computed to be an extremely hot 41°C (105.8°F). Take special precautions - heat exhaustion and heat cramps are expected. Heatstroke may occur with lengthy activity.
Take into consideration that the heat index values are calculated for shade and light wind conditions. With exposure to direct sunlight, the heat index may be increased by up to 15 Fahrenheit (8 Celsius) degrees.
Note: The heat index, also known as 'feels like', 'apparent temperature', 'real feel', or 'felt air temperature', is what the temperature feels like to the human body when the air temperature is combined with the relative humidity. This effect is individual, with diverse people perceiving weather differently for numerous reasons (differences in body mass, height, and shape, metabolic differences, clothing), and activity. Bear in mind that direct sunshine exposure increases weather impact, and may raise heat index by up to 15 Fahrenheit (8 Celsius) degrees. Heat index values are especially crucial for babies and toddlers. Young children are generally more endangered than adults, as they usually less sweat. And also, due to larger skin surface relative to their small bodies and higher heat production as a result of their activity.
Perspiration is the human body's physiological response to high temperatures and is an attempt to lower body temperature through evaporation of sweat. When the relative humidity is high, the evaporation rate is reduced. The warmth is removed from the body at a lower rate, causing the body to retain more heat than it would in dry air. When heat gain exceeds the level the body can remove, body temperature begins to rise, and heat-related illnesses and disorders may develop.

Humidity

The average relative humidity in December in Tavaí is 71%.

Rainfall

In Tavaí, in December, it is raining for 12.5 days, with typically 77mm (3.03") of accumulated precipitation. In Tavaí, during the entire year, the rain falls for 130.6 days and collects up to 683mm (26.89") of precipitation.

Daylight

December has the longest days of the year in Tavaí, with an average of 13h and 46min of daylight.
On the first day of December, sunrise is at 05:44 and sunset at 19:24. On the last day of the month, sunrise is at 05:55 and sunset at 19:41 -03.

Sunshine

In December, the average sunshine in Tavaí is 10.7h.

UV index

January, February and December, with an average maximum UV index of 7, are months with the highest UV index. A UV Index of 6 to 7 symbolizes a high threat to health from unsafe exposure to UV radiation for the average person.
Note: In December, the average maximum UV index of 7 translate into the following recommendations:
Take precautions and adopt sun safety practices. Protection against sunburn is obliged. Seek shade and minimize exposure to direct Sun in a period between 10 a.m. and 4 p.m. when UV radiation is most intense; keep in mind that shade structures like parasols or canopies do not provide perfect sun protection. On bright days sunglasses that block both UVA and UVB rays should be worn. A hat with a wide brim is extremely helpful, as it can prevent roughly 50% of UV radiation from reaching the eyes.