December weather forecastYapeyú, Argentina

Weather in December

The first month of the summer, December, is a tropical month in Yapeyú, Argentina, with an average temperature ranging between max 31.4°C (88.5°F) and min 19.3°C (66.7°F).

Temperature

Yapeyú, Argentina, sees the arrival of December with an average high-temperature of a tropical 31.4°C (88.5°F), indicating a subtle variation from November. In the month of December, Yapeyú witnesses a marked temperature drop at night, averaging a low of 19.3°C (66.7°F).

Heat index

The heat index value for December is calculated to be a fiery hot 37°C (98.6°F). Take more preventive steps, risk of heat exhaustion and heat cramps is elevated. Long activity may culminate in heatstroke.
Heat index specifics point out values are for conditions of shade and a slight breeze. The heat index can potentially augment by 15 Fahrenheit (8 Celsius) degrees due to direct sunlight.
Note: The heat index, also known as 'apparent temperature' or 'feels like', arises from combining readings of air temperature and relative moisture content. The individual's impression of temperature can be shaped by additional aspects such as metabolic variations, physical activity, and clothing. Awareness is key; direct sunlight can enhance the weather's impact, possibly boosting the heat index by up to 15 Fahrenheit (8 Celsius) degrees. Heat index values are especially vital to children. Youngsters are usually more at risk than adults, considering they sweat less. Additionally, their high skin surface area compared to their little bodies and their high heat production due to activity increases their risk.
For the human body, perspiration is the go-to method to regulate temperature, using sweat's evaporation to dissipate warmth. Under conditions of increased relative humidity, the evaporation rate lessens, causing the body to retain more heat than under less humid conditions. If heat absorption exceeds the body's cooling ability, body temperature can elevate, resulting in potential thermal illnesses.

Humidity

The months with the lowest humidity are January and December, with an average relative humidity of 64%.

Rainfall

The months with the most rainfall in Yapeyú are November and December, with an average 103mm (4.06") of precipitation.

Daylight

With an average of 14h and 0min of daylight, December has the longest days of the year.
On the first day of December, sunrise is at 05:39 and sunset at 19:33. On the last day of the month, sunrise is at 05:50 and sunset at 19:50 -03.

Sunshine

With an average of 10.9h of sunshine, December has the most sunshine of the year in Yapeyú.

UV index

January 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 health risk from unsafe exposure to UV radiation for ordinary individuals.
Note: During December, 7 as the daily maximum UV index converts into the following advice:
Embrace precautions and observe sun safety norms. Evasion of sunburn is a necessity. Remember that the sun's UV radiation is strongest between 10 a.m. and 4 p.m. Make an effort to avoid direct sun exposure during these hours. Select sunglasses that boast both UVA and UVB protection to limit the adverse effects of the sun on the eyes.