December weather forecast
Bluefields, Jamaica

Ending the weather progression on a chill note, December, while not the coldest month, holds the promise of a mild winter. The temperature makes a retreat to hover around a pleasant 27.9°C (82.2°F), making it conducive for residents and visitors to embrace the festive spirit. Moderate rainfall and wind speed characterize it as a month nestled comfortably between two extremes. Coupled with shorter daylight hours and stable sea temperatures, December concludes the yearly weather metamorphosis in Bluefields with a cool and mild disposition.

Temperature

The onset of December in Bluefields manifests an average high-temperature of a still warm 27.9°C (82.2°F), demonstrating a minor variation from the preceding month. December nights in Bluefields document an average temperature reading of 25.7°C (78.3°F).

Heat index

The heat index value during December is calculated to be a hot 31°C (87.8°F). Uninterrupted activity during exposure could lead to a sense of exhaustion, possibly causing heat cramps.
Be advised, the heat index considers values for conditions in shade and with a light breeze. If directly exposed to the sun, the heat index could rise by 15 Fahrenheit (8 Celsius) degrees.
Note: The heat index, also known as 'real feel' or 'apparent temperature', is a composite of temperature and humidity figures to convey how warm it feels. The influence of weather can be personal, changing with an individual's body mass, height, and level of physical exertion. Bear in mind that direct sunshine exposure increases weather impact, and may raise heat index by up to 15 Fahrenheit (8 Celsius) degrees. Heat index values are highly critical for babies and toddlers. Children frequently underestimate the importance of resting and drinking fluids. Thirst is a symptom of advanced dehydration - hence the need to hydrate regularly, especially during protracted physical exercises.

Humidity

In December, the average relative humidity in Bluefields is 75%.

Rainfall

In December, the rain falls for 15.5 days. Throughout December, 42mm (1.65") of precipitation is accumulated. Throughout the year, in Bluefields, there are 236.8 rainfall days, and 822mm (32.36") of precipitation is accumulated.

Sea temperature

In December, the average sea temperature in Bluefields is 28.3°C (82.9°F).
Note: For any water activity, having surface water temperatures from 25°C (77°F) to 29°C (84.2°F) is considered outstanding and highly delightful for lengthened periods.

Daylight

The month with the shortest days in Bluefields is December, with an average of 11h and 6min of daylight.
On the first day of December in Bluefields, sunrise is at 06:27 and sunset at 17:34. On the last day of the month, sunrise is at 06:43 and sunset at 17:47 EST.

Sunshine

December has the least sunshine of the year in Bluefields, with an average of 7.1h of sunshine.

UV index

January through December, with an average maximum UV index of 7, are months with the highest UV index in Bluefields. The months with the lowest UV index are January through December, with an average maximum UV index of 7. A UV Index value of 6 to 7 symbolizes a high health hazard from exposure to the Sun's UV radiation for ordinary individuals.
Note: The maximum UV index of 7 during December leads to these instructions:
Persist with precautions and heed sun safety advice. Prevention of sunburn is compulsory. Seek shade and limit direct sun exposure between 10 a.m. and 4 p.m., the peak period for UV radiation. Keep in mind that shade structures like parasols or canopies do not offer complete sun protection. For optimum UV protection, wear sun-resistant attire complemented with a hat and quality shades. Caution! The Sun's UV intensity grows with reflections off sand and water.