December weather forecastFlamstead, Jamaica
December
Weather in December
The first month of the winter, December, is still a warm month in Flamstead, Jamaica, with an average temperature ranging between min 24.9°C (76.8°F) and max 27.5°C (81.5°F).Temperature
The advent of December denotes an average high-temperature of a still moderately hot 27.5°C (81.5°F), subtly different from November's 28°C (82.4°F). December is characterized by a steady nighttime low-temperature of 24.9°C (76.8°F).Heat index
December's mean heat index is computed to be a tropical 31°C (87.8°F). Prolonged activity during exposure might result in a state of fatigue and cause heat cramps.Observations indicate that the heat index values are for shady locations with light wind. The direct sunshine could escalate the heat index values by 15 Fahrenheit (8 Celsius) degrees.
Note: The heat index, also known as 'felt air temperature' or 'real feel', is the result of factoring in humidity to the air temperature, indicating perceived warmth. Elements of metabolic variation, physical activity, and clothing contribute to the effect of temperature on an individual. With the sun shining directly, it's crucial to understand that it can increase the heat index by up to 15 Fahrenheit (8 Celsius) degrees. Heat index values are extremely significant for children. Young ones often ignore the need to take a break and drink fluids. Thirst is a late-stage symptom of dehydration - hence, maintaining hydration, particularly during extended physical activities, is crucial.
Humidity
The average relative humidity in December in Flamstead, Jamaica, is 77%.Rainfall
In Flamstead, in December, it is raining for 11 days, with typically 28mm (1.1") of accumulated precipitation. Throughout the year, there are 177.2 rainfall days, and 687mm (27.05") of precipitation is accumulated.Daylight
With an average of 11h and 6min of daylight, December has the shortest days of the year.On the first day of December in Flamstead, sunrise is at 06:27 and sunset at 17:33. On the last day of the month, sunrise is at 06:43 and sunset at 17:46 EST.
Sunshine
The months with the least sunshine in Flamstead are November and December, with an average of 6.6h of 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 of 6 to 7 symbolizes a high threat to health from unsafe exposure to UV radiation for the ordinary person.Note: The daily high UV index of 7 during December translates into the following recommendations:
Stand by precautions and apply sun safety measures. Evading sunburn is of great importance. Attempt to stay under shade and limit exposure to the Sun between 10 a.m. and 4 p.m., when UV radiation is at its peak. Remember, devices such as parasols or canopies might not provide complete sun protection. Wearing a wide-brim hat can block approximately 50% of UV radiation, protecting the eyes.
Published by: Weather Atlas | About Us
Data Sources | Weather Forecasting & Climate
Frequently asked questions
Average temperature in December
Flamstead, 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
Flamstead, 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
Flamstead, 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
Flamstead, 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
Flamstead, 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
Flamstead, 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
Flamstead, Jamaica
- Average daylight in December: 11h and 6min
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 6min).
- 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
Flamstead, 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
Flamstead, 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
Flamstead, 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
Flamstead, 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).





