December weather forecastBuff Bay, Jamaica
December
Weather in December
December in Buff Bay paints a picture of slightly cooler days and long, mild nights. A decrease in average temperatures from 25.1°C (77.2°F) to 26.5°C (79.7°F) coupled with reduced daylight hours signifies the onset of winter. However, rainfall remains constant at 105mm (4.13") over 25.5 days, sustaining the tropical climate throughout the year. Notably, the humidity rate recedes slightly to 80% in this month. Thus, despite the seasonal changes around the globe, Buff Bay upholds its tropical consistency.Temperature
With the start of December, Buff Bay measures an average high-temperature of a still moderately hot 26.5°C (79.7°F), not significantly differing from November's 27.4°C (81.3°F). The nighttime temperature in Buff Bay demonstrates a marginal decline, averaging at a still warm 24.4°C (75.9°F) during December.Humidity
In Buff Bay, the average relative humidity in December is 80%.Rainfall
In Buff Bay, Jamaica, during December, the rain falls for 25.5 days and regularly aggregates up to 105mm (4.13") of precipitation. Throughout the year, there are 305.2 rainfall days, and 1242mm (48.9") of precipitation is accumulated.Sea temperature
In Buff Bay, the average seawater temperature in December is 28.2°C (82.8°F).Note: For engaging in any water activities, temperatures from 25°C (77°F) to 29°C (84.2°F) are viewed as outstanding and exceptionally pleasing for prolonged durations.
Daylight
December has the shortest days of the year, with an average of 11h and 6min of daylight.On the first day of December in Buff Bay, sunrise is at 06:22 and sunset at 17:29. On the last day of the month, sunrise is at 06:38 and sunset at 17:41 EST.
Sunshine
November and December, with an average of 6.2h of sunshine, are months with the least sunshine in Buff Bay.UV index
January through March, August, November and December, with an average maximum UV index of 6, are months with the lowest UV index. A UV Index of 6 to 7 symbolizes a high health risk from exposure to the Sun's UV rays for ordinary individuals.Note: The average daily UV index of 6 in December transforms into the following instructions:
Implement precautions and maintain sun safety methods. Avoidance of sunburn is demanded. 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. Caution! Sand and water surfaces escalate the UV intensity from the Sun.
Published by: Weather Atlas | About Us
Data Sources | Weather Forecasting & Climate
Frequently asked questions
Average temperature in December
Buff Bay, Jamaica
- Average high temperature in December: 26.5°C
The warmest month (with the highest average high temperature) is August (28.8°C).
The month with the lowest average high temperature is February (25.9°C).
- Average low temperature in December: 24.4°C
The month with the highest average low temperature is August (26.1°C).
The coldest month (with the lowest average low temperature) is March (23.1°C).
Average pressure in December
Buff Bay, Jamaica
- Average pressure in December: 1014.5mbar
The month with the highest atmospheric pressure is January (1015.7mbar).
The month with the lowest atmospheric pressure is October (1011.6mbar).
Average wind speed in December
Buff Bay, Jamaica
- Average wind speed in December: 15.7km/h
The windiest month (with the highest average wind speed) is June (18km/h).
The calmest month (with the lowest average wind speed) is September (12.8km/h).
Average humidity in December
Buff Bay, Jamaica
- Average humidity in December: 80%
The month with the highest relative humidity is June (83%).
The months with the lowest relative humidity are January, February and March (79%).
Average rainfall in December
Buff Bay, Jamaica
- Average rainfall in December: 105mm
The wettest month (with the highest rainfall) is August (147mm).
The driest month (with the least rainfall) is February (60mm).
Average rainfall days in December
Buff Bay, Jamaica
- Average rainfall days in December: 25.5 days
The month with the highest number of rainy days is August (27.8 days).
The month with the least rainy days is February (22.3 days).
Average sea temperature in December
Buff Bay, Jamaica
- Average sea temperature in December: 28.2°C
The best month for swimming (with the highest average sea temperature) is September (29.8°C).
The coldest month (with the lowest average sea temperature) is February (26.8°C).
Average daylight in December /
Average sunshine in December
Buff Bay, 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 12min
The month with the most sunshine is August (Average sunshine: 10h and 30min).
The months with the least sunshine are November and December (Average sunshine: 6h and 12min).
Average sunshine days in December
Buff Bay, Jamaica
- Average sunshine days in December: 1.7 days
The month with the most sunshine days is March (3.2 days).
The month with the least sunshine days is August (0.8 days).
Average UV index in December
Buff Bay, Jamaica
- Average UV index in December: 6
The months with the highest UV index are April, May, June, July, September and October (UV index 7).
The months with the lowest UV index are January, February, March, August, November and December (UV index 6).
Average cloud cover in December
Buff Bay, Jamaica
- Average cloud cover in December: 41
The month with the most cloud cover is June (Cloud cover 44).
The month with the least cloud cover is September (Cloud cover 33).
Average visibility in December
Buff Bay, 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).
