December weather forecast
Mata de Limon, Costa Rica

The first month of the winter, December, is also a moderately hot month in Mata de Limon, Costa Rica, with an average temperature fluctuating between 22.1°C (71.8°F) and 29.7°C (85.5°F).

Temperature

December's average high-temperature is a still moderately hot 29.7°C (85.5°F), maintaining a close comparison with November's 29.1°C (84.4°F). Mata de Limon throughout December, records an average low-temperature of 22.1°C (71.8°F).

Heat index

Throughout December, the heat index is computed to be a fiery hot 35°C (95°F). Exercise increased caution, heat cramps and heat exhaustion are potential hazards. Continuous activity could lead to heatstroke.
Records show heat index calculations are tailored for shaded regions and mild winds. Heat index values may surge by up to 15 Fahrenheit (8 Celsius) degrees in the presence of direct sunlight.
Note: The heat index, also known as 'real feel' or 'apparent temperature', determines the feeling of heat when you account for the relative humidity. Additional factors encompassing metabolic differences, the level of physical activity, and clothing can impact the individual's perception of temperature. Awareness of direct sun exposure is crucial as it has the potential to heighten the weather's effects, pushing up the heat index by 15 Fahrenheit (8 Celsius) degrees. Heat index values hold great significance to children. Kids often lack the knowledge about the necessity to take breaks and consume liquids. Thirst, as a late symptom of dehydration, necessitates the maintenance of hydration, particularly during enduring physical activities.
In high temperatures, perspiration kicks in, allowing the human body to cool down through the evaporation of sweat. 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. When body heat isn't effectively managed, risks of dehydration and overheating amplify.

Humidity

In Mata de Limon, the average relative humidity in December is 75%.

Rainfall

In December, the rain falls for 10.8 days. Throughout December, 19mm (0.75") of precipitation is accumulated. Throughout the year, in Mata de Limon, there are 218.6 rainfall days, and 1456mm (57.32") of precipitation is accumulated.

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 Mata de Limon, 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

In December, the average sunshine in Mata de Limon, Costa Rica, 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 risk from exposure to the Sun's UV rays for the ordinary person.
Note: The daily maximum UV index of 7 in December interprets into the following advice:
Employ safeguards and advocate sun safety protocols. Shielding against skin and eye damage is crucial. To the best of your ability, limit your exposure to the sun between the hours of 10 a.m. and 4 p.m., when UV radiation is at its peak. A wide-brimmed hat provides unparalleled sun protection for sensitive areas like the eyes, ears, and neck.