December weather forecastUnity Hall, Jamaica
December
Weather in December
December, the first month of the winter in Unity Hall, is still a warm month, with temperature in the range of an average low of 24.9°C (76.8°F) and an average high of 27.5°C (81.5°F).Temperature
Unity Hall greets December with an average high-temperature of a still warm 27.5°C (81.5°F), marking a slight deviation from the preceding month. Unity Hall observes a minimal variance in temperature, with a consistent average low of 24.9°C (76.8°F) during the nights of December.Heat index
The average heat index in December is computed to be a tropical 31°C (87.8°F). Continuing activity during long-lasting exposure might induce tiredness and result in heat cramps.Remember that heat index calculations are made for conditions in the shade with light wind. The heat index could experience an increase of 15 Fahrenheit (8 Celsius) degrees due to direct sunlight.
Note: The heat index, also known as 'real feel' or 'apparent temperature', is the outcome of merging air's temperature and its humidity metrics. The individual's impression of temperature can be shaped by additional aspects such as metabolic variations, physical activity, and clothing. 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 extremely significant for children. Young children are generally more endangered than adults, as they usually less sweat. And also, due to larger skin surface relative to their small bodies and higher heat production as a result of their activity.
Humidity
In December, the average relative humidity in Unity Hall is 77%.Rainfall
In Unity Hall, Jamaica, during December, the rain falls for 11 days and regularly aggregates up to 28mm (1.1") of precipitation. In Unity Hall, during the entire year, the rain falls for 177.2 days and collects up to 687mm (27.05") of precipitation.Daylight
With an average of 11h and 0min of daylight, December has the shortest days of the year.On the first day of the month, sunrise is at 06:28 and sunset at 17:34. On the last day of December, sunrise is at 06:43 and sunset at 17:46 EST.
Sunshine
November and December, with an average of 6.6h of sunshine, are months with the least sunshine.UV index
The months with the highest UV index are January, March through December, with an average maximum UV index of 7. A UV Index estimate of 6 to 7 represents a high health hazard from exposure to the Sun's UV radiation for the ordinary person.Note: The maximum daily UV index of 7 in December interprets into the following recommendations:
Avoid excessive sunlight. Those with lighter skin may experience burning in less than 20 minutes. Try to minimize direct Sun exposure between 10 a.m. and 4 p.m., the peak period for UV radiation. Also note that objects like parasols or canopies might not provide complete sun protection. Limit sun-induced ocular harm with sunglasses that feature UVA and UVB filtration.
Published by: Weather Atlas | About Us
Data Sources | Weather Forecasting & Climate
Frequently asked questions
Average temperature in December
Unity Hall, Jamaica
- Average high temperature in December: 27.5°C
The warmest month (with the highest average high temperature) is August (29.7°C).
The month with the lowest average high temperature is January (26.8°C).
- Average low temperature in December: 24.9°C
The months with the highest average low temperature are July and August (26.8°C).
The coldest month (with the lowest average low temperature) is February (23.8°C).
Average pressure in December
Unity Hall, Jamaica
- Average pressure in December: 1014.5mbar
The month with the highest atmospheric pressure is January (1015.6mbar).
The month with the lowest atmospheric pressure is October (1011.4mbar).
Average wind speed in December
Unity Hall, Jamaica
- Average wind speed in December: 20km/h
The windiest month (with the highest average wind speed) is December (20km/h).
The calmest month (with the lowest average wind speed) is September (13km/h).
Average humidity in December
Unity Hall, Jamaica
- Average humidity in December: 77%
The month with the highest relative humidity is June (78%).
The month with the lowest relative humidity is March (75%).
Average rainfall in December
Unity Hall, Jamaica
- Average rainfall in December: 28mm
The wettest month (with the highest rainfall) is May (90mm).
The driest month (with the least rainfall) is February (19mm).
Average rainfall days in December
Unity Hall, Jamaica
- Average rainfall days in December: 11 days
The month with the highest number of rainy days is September (18.4 days).
The month with the least rainy days is February (10.6 days).
Average daylight in December /
Average sunshine in December
Unity Hall, Jamaica
- Average daylight in December: 11h and 0min
The month with the longest days is June (Average daylight: 13h and 12min).
The month with the shortest days is December (Average daylight: 11h and 0min).
- Average sunshine in December: 6h and 36min
The months with the most sunshine are July and August (Average sunshine: 11h and 30min).
The months with the least sunshine are November and December (Average sunshine: 6h and 36min).
Average sunshine days in December
Unity Hall, Jamaica
- Average sunshine days in December: 18 days
The month with the most sunshine days is December (18 days).
The month with the least sunshine days is September (9.8 days).
Average UV index in December
Unity Hall, Jamaica
- Average UV index in December: 7
The months with the highest UV index are January, March, April, May, June, July, August, September, October, November and December (UV index 7).
The month with the lowest UV index is February (UV index 6).
Average cloud cover in December
Unity Hall, Jamaica
- Average cloud cover in December: 27
The months with the most cloud cover are January, May and November (Cloud cover 28).
The month with the least cloud cover is July (Cloud cover 21).
Average visibility in December
Unity Hall, Jamaica
- Average visibility in December: 10km
The months with the highest visibility are January, February, March, April, May, June, July, August, September, October, November and December (10km).
The months with the lowest visibility are January, February, March, April, May, June, July, August, September, October, November and December (10km).
