December weather forecast
Buenos Aires, Panama

The first month of the winter, December, is also a moderately hot month in Buenos Aires, Panama, with an average temperature varying between 29.4°C (84.9°F) and 23°C (73.4°F).

Temperature

With the start of December, Buenos Aires measures an average high-temperature of a still warm 29.4°C (84.9°F), not significantly differing from November's 29°C (84.2°F). Throughout December, Buenos Aires witnesses a nighttime temperature average of 23°C (73.4°F).

Heat index

For most parts of December, the heat index is computed to be a sweltering 36°C (96.8°F). Take extra safety measures to prevent heat exhaustion and heat cramps. Heatstroke could follow lengthy activity.
Know that the heat index computations account for shaded terrains and slight winds. Exposure to the sun directly might heighten the heat index by 15 Fahrenheit (8 Celsius) degrees.
Note: The heat index, also known as 'feels like' or 'felt air temperature', binds temperature metrics with humidity values to give a sense of the actual warmth. A person's impression of weather can be shaped by many aspects, among them metabolic variations, pregnancy, and levels of physical activity. Sunshine, when direct, has the potential to intensify weather effects, leading to an increase in the heat index by 15 Fahrenheit (8 Celsius) degrees. Heat index values are highly critical for babies and toddlers. Youths are typically more endangered than adults since they usually sweat less. Their larger skin surface concerning their smaller bodies and higher heat production due to activity further adds to their vulnerability.
The human body keeps its cool primarily through perspiration, as this process enables sweat to evaporate, taking away the excess heat. When air moisture content is high, the cooling process through evaporation is not as efficient, leading to an ineffective body cooling process and a feeling of overheating. If the body retains more heat than it can expel, the increasing temperature can lead to heat-related conditions.

Humidity

In December, the average relative humidity is 82%.

Rainfall

In Buenos Aires, Panama, during December, the rain falls for 21.1 days and regularly aggregates up to 69mm (2.72") of precipitation. In Buenos Aires, during the entire year, the rain falls for 261.2 days and collects up to 1359mm (53.5") of precipitation.

Daylight

December has the shortest days of the year, with an average of 11h and 36min of daylight.
On the first day of the month, sunrise is at 06:19 and sunset at 17:58. On the last day of December, sunrise is at 06:34 and sunset at 18:12 EST.

Sunshine

In Buenos Aires, the average sunshine in December is 8.7h.

UV index

January through September, November and December, with an average maximum UV index of 7, are months with the highest UV index in Buenos Aires, Panama. A UV Index estimate of 6 to 7 represents a high health vulnerability from unsafe exposure to UV radiation for average individuals.
Note: The daily high UV index of 7 during December translates into the following recommendations:
Escape overexposure. People with light skin may incur burns in fewer than 20 minutes. UV radiation from the sun is at its strongest between 10 a.m. and 4 p.m. Try to limit direct exposure during these hours. To cut down UV radiation exposure by about half, sport a wide-brim hat.