December weather forecast
Miguel Lanús, Argentina

December, the first month of the summer in Miguel Lanús, is a hot month, with an average temperature fluctuating between 31.7°C (89.1°F) and 20°C (68°F).

Temperature

Stepping into December, Miguel Lanús records an average high-temperature of a hot 31.7°C (89.1°F), almost consistent with November. Nighttime temperature in Miguel Lanús lowers to an average of 20°C (68°F) in December.

Heat index

In December, the average heat index is calculated to be an extremely hot 40°C (104°F). Adopt extra preventive measures, the occurrence of heat cramps and heat exhaustion is likely. Heatstroke may follow extended activity.
It is emphasized that the heat index's values are meant for shaded zones with mild winds. Direct sunlight can cause a surge in the heat index by 15 Fahrenheit (8 Celsius) degrees.
Note: The heat index, also known as 'apparent temperature' or 'feels like', arises from combining readings of air temperature and relative moisture content. An individual's perception of weather can be influenced by a variety of factors including metabolic differences, being pregnant, and their degree of physical exertion. 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 extremely significant for children. Young kids are often more at risk than adults as they tend to perspire less. Besides, their skin surface is larger relative to their small bodies, and their increased heat output from their active lifestyle compounds their risk.
In response to overheating, the human body perspires to cool down, mainly through the evaporation of sweat. When relative humidity increases, the body's capacity to evaporate heat decreases, leading to a heightened sense of warmth. When the body's heat gain surpasses its removal capacity, body temperature starts to climb, leading to potential heat-related ailments.

Humidity

The least humid month in Miguel Lanús, Argentina, is December, with an average relative humidity of 72%.

Rainfall

In Miguel Lanús, in December, it is raining for 15.3 days, with typically 91mm (3.58") of accumulated precipitation. In Miguel Lanús, during the entire year, the rain falls for 152.6 days and collects up to 981mm (38.62") of precipitation.

Daylight

With an average of 13h and 48min of daylight, December has the longest days of the year in Miguel Lanús.
On the first day of December, sunrise is at 05:40 and sunset at 19:25. On the last day of the month, sunrise is at 05:51 and sunset at 19:42 -03.

Sunshine

The average sunshine in December is 10.1h.

UV index

In December, the average daily maximum UV index is 6. A UV Index value of 6 to 7 symbolizes a high health risk from unprotected exposure to Sun's UV rays for the average person.
Note: An average UV index of 6 in December transforms into this advice:
Use protective steps and abide by sun safety guidelines. Safeguarding against skin and eye harm is necessary. The Sun's UV radiation is most intense from 10 a.m. to 4 p.m. Try to avoid direct sun exposure during these hours. Wearing sunglasses with both UVA and UVB protection effectively reduces sun-induced eye damage.