December weather forecast
Macacona, Costa Rica

December, the first month of the winter in Macacona, is still a warm month, with temperature in the range of an average high of 29.7°C (85.5°F) and an average low of 22.1°C (71.8°F).

Temperature

Shifting into December, Macacona records an average high-temperature of a still moderately hot 29.7°C (85.5°F), presenting minor fluctuations compared to the previous month. December sees the temperature falling to a mean low of 22.1°C (71.8°F).

Heat index

For most parts of December, the heat index is computed to be a fiery hot 35°C (95°F). Implement additional safety measures to avoid heat cramps and heat exhaustion. Persistent activity might trigger heatstroke.
Always consider that heat index estimations are for light winds and places in the shade. The presence of direct sunlight can raise the heat index values by up to 15 Fahrenheit (8 Celsius) degrees.
Note: The heat index, also known as 'apparent temperature' or 'real feel', is an amalgamation of air temperature and humidity to express the equivalent perceived temperature. Additional factors encompassing metabolic differences, the level of physical activity, and clothing can impact the individual's perception of temperature. Given the impact of direct sunlight, it's noteworthy that the felt temperature can rise by 15 Fahrenheit (8 Celsius) degrees. Heat index values are particularly relevant to children. Young ones regularly neglect the requirement for rest and fluid replenishment. Thirst is a late stage of dehydration - so, it is necessary to keep hydrated, particularly during extended periods of physical exertion.
Evaporation of sweat is the main factor behind the cooling effect of perspiration in the human body. When relative humidity increases, the body's capacity to evaporate heat decreases, leading to a heightened sense of warmth. When body heat isn't effectively managed, risks of dehydration and overheating amplify.

Humidity

The average relative humidity in December in Macacona is 75%.

Rainfall

In Macacona, Costa Rica, in December, it is raining for 10.8 days, with typically 19mm (0.75") of accumulated precipitation. In Macacona, during the entire year, the rain falls for 218.6 days and collects up to 1456mm (57.32") of precipitation.

Daylight

The month with the shortest days is December, with an average of 11h and 36min of daylight.
On the first day of December in Macacona, Costa Rica, sunrise is at 05:40 and sunset at 17:15. On the last day of the month, sunrise is at 05:55 and sunset at 17:28 CST.

Sunshine

The average sunshine in December in Macacona is 9.6h.

UV index

The months with the highest UV index are January through September and December, with an average maximum UV index of 7. A UV Index reading of 6 to 7 represents a high health hazard from exposure to the Sun's UV radiation for ordinary individuals.
Note: A maximum UV index of 7 in December translates into the following recommendations:
Apply measures and align with sun safety principles. Safeguarding against skin and eye injury is pivotal. 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. Select sunglasses that boast both UVA and UVB protection to limit the adverse effects of the sun on the eyes.