December weather forecast
Llano Grande, Panama

December, the first month of the winter in Llano Grande, is still a warm month, with an average temperature ranging between max 29.4°C (84.9°F) and min 23°C (73.4°F).

Temperature

December commences with an average high-temperature of a still warm 29.4°C (84.9°F), showing little deviation from November's 29°C (84.2°F). In Llano Grande, an average nighttime temperature of 23°C (73.4°F) is expected during December.

Heat index

In December, the average heat index is calculated to be a fiery hot 36°C (96.8°F). Undertake enhanced precautions, heat exhaustion and heat cramps are possible risks. Continuous activity could trigger heatstroke.
Thinking about the heat index, one should account for its values in shaded areas with gentle breezes. Direct sunlight might lead to a heat index increase by up to 15 Fahrenheit (8 Celsius) degrees.
Note: The heat index, also known as 'feels like' or 'felt air temperature', is a single figure representing how weather conditions feel when combining temperature and humidity. This effect is personal, influenced by the individual's physical activity and heat sensitivity, shaped by factors including wind, attire, and metabolic variations. With direct sunlight, be aware that it might enhance the heat sensation, raising the heat index by up to 15 Fahrenheit (8 Celsius) degrees. Heat index values hold particular importance for children. Youngsters often neglect the necessity for rest and hydration. Thirst is a sign of advancing dehydration - thus the importance of maintaining hydration, specifically during long-lasting physical activities.
Humans rely on perspiration as a cooling mechanism, wherein the evaporating sweat counteracts excessive warmth. With a high level of moisture in the air, the evaporation process becomes less efficient, preventing the body from cooling down efficiently and resulting in a sensation 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 Llano Grande, during December, the rain falls for 21.1 days and regularly aggregates up to 69mm (2.72") of precipitation. Throughout the year, in Llano Grande, there are 261.2 rainfall days, and 1359mm (53.5") of precipitation is accumulated.

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, in Llano Grande, sunrise is at 06:34 and sunset at 18:12 EST.

Sunshine

In December, the average sunshine in Llano Grande 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. A UV Index reading of 6 to 7 represents a high health hazard from exposure to the Sun's UV rays for the average person.
Note: A maximum UV index of 7 in December translates into the following recommendations:
Conform to measures and uphold sun safety traditions. Warding off skin and eye harm is necessary. Between 10 a.m. and 4 p.m., the Sun's UV radiation is at its peak. Limit your exposure to direct sunlight during these hours. To mitigate harm from sun exposure, pick sunglasses offering UVA and UVB defense.