December weather forecast
Troja, Jamaica

December, the first month of the winter in Troja, is still a warm month, with an average temperature fluctuating between 21.5°C (70.7°F) and 28.9°C (84°F).

Temperature

The shift into December reveals an average high-temperature of a still moderately hot 28.9°C (84°F), closely mirroring November's climate. In the month of December, the temperature in Troja, Jamaica, generally rests at an average low of 21.5°C (70.7°F).

Heat index

The heat index for December is estimated at a very hot 35°C (95°F). Exercise more precautions, heat cramps and heat exhaustion are potential risks. Continuous activity could precipitate heatstroke.
The heat index's values are generally associated with conditions in shade and light breezes. Facing direct sunlight may hike up the heat index by 15 Fahrenheit (8 Celsius) degrees.
Note: The heat index, also known as 'apparent temperature' or 'felt air temperature', is an aggregate value of air's warmth and moisture to show the human-felt temperature. This effect is personal, influenced by the individual's physical activity and heat sensitivity, shaped by factors including wind, attire, and metabolic variations. It is noteworthy to mention that direct sunlight exposure can augment the felt temperature, leading to an increase in the heat index by 15 Fahrenheit (8 Celsius) degrees. Heat index values are quite important for children. Young ones often do not realize the necessity to rest and replenish their fluids. Thirst is a delayed indication of dehydration - keeping hydrated, particularly in prolonged physical activity, is crucial.
Normally, the human body cools itself through perspiration, which removes excessive heat by evaporating sweat. When there is an excess of moisture in the atmosphere, the efficiency of the evaporation process is lessened, leading to less efficient body cooling and a sensation of overheating. If heat absorption isn't effectively countered by the body's cooling methods, body temperature surges, hinting at potential problems.

Humidity

October through December, with an average relative humidity of 81%, are the most humid months.

Rainfall

In Troja, in December, it is raining for 19.9 days, with typically 42mm (1.65") of accumulated precipitation. Throughout the year, in Troja, Jamaica, there are 265.1 rainfall days, and 806mm (31.73") of precipitation is accumulated.

Daylight

The month with the shortest days in Troja is December, with an average of 11h and 6min of daylight.
On the first day of December, sunrise is at 06:23 and sunset at 17:30. On the last day of the month, sunrise is at 06:39 and sunset at 17:42 EST.

Sunshine

The month with the least sunshine in Troja is December, with an average of 6.7h of sunshine.

UV index

The months with the lowest UV index are January through April, September, November and December, with an average maximum UV index of 6. A UV Index reading of 6 to 7 represents a high health vulnerability from exposure to the Sun's UV radiation for the average person.
Note: A daily maximum UV index of 6 in December translates into the following instructions:
Deter overexposure. Protecting against the sun's effects is essential. The Sun emits the most powerful UV radiation between 10 a.m. and 4 p.m. Try to avoid direct sunlight during this period. It's wise to wear UVA and UVB-blocking sunglasses when the sun shines brightly.