December weather forecastBreakers, Cayman Islands
December
Weather in December
December in Breakers welcomes the official start of winter, although the tropical climate persists. The temperature takes a tumble to 26.1°C (79°F), offering a cooler atmosphere compared to the heated summer months. The rainfall reduces significantly, marking the driest month of the year with rainfall recorded at 57mm (2.24"). While the hours of sunlight decrease, the humidity and cloud cover remain consistent, maintaining a warm tropical climate. Despite being the final month of the year, December carries forward the prevailing weather pattern, promising an engaging visit to Breakers with its pleasant winter sunsets and serene beach visits.Temperature
December experiences an average high-temperature of a still moderately hot 27.2°C (81°F), barely different from November's 28°C (82.4°F). Breakers's December nights observe a minor shift from the daytime temperatures, resulting in an average dip to a still warm 26.1°C (79°F).Heat index
December's mean heat index is computed to be a tropical 30°C (86°F). Continued exposure and engagement in activity might trigger tiredness and subsequently heat cramps.It is crucial to understand that heat index figures are for shade and gentle wind conditions. 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', arises from combining readings of air temperature and relative moisture content. The influence of weather can be personal, changing with an individual's body mass, height, and level of physical exertion. Awareness is key; direct sunlight can enhance the weather's impact, possibly boosting the heat index by up to 15 Fahrenheit (8 Celsius) degrees. Heat index values are particularly meaningful for babies and toddlers. Juveniles are regularly less conscious of the need to recuperate and rehydrate. Thirst is a tardy symptom of dehydration - hydration, especially during lengthy physical activities, should be maintained.
Humidity
In December, the average relative humidity is 76%.Rainfall
In December, in Breakers, the rain falls for 20.6 days. Throughout December, 57mm (2.24") of precipitation is accumulated. In Breakers, during the entire year, the rain falls for 241.1 days and collects up to 854mm (33.62") of precipitation.Daylight
December has the shortest days of the year in Breakers, with an average of 11h and 0min of daylight.On the first day of the month, sunrise is at 06:42 and sunset at 17:45. On the last day of December, sunrise is at 06:58 and sunset at 17:57 EST.
Sunshine
The month with the least sunshine in Breakers, Cayman Islands, is December, with an average of 6h of sunshine.UV index
February through December, with an average maximum UV index of 7, are months with the highest UV index in Breakers. A UV Index value of 6 to 7 symbolizes a high health risk from exposure to the Sun's UV rays for ordinary individuals.Note: The maximum UV index of 7 during December translates into these guidelines:
Undertake protective measures and comply with sun safety rules. Shielding against skin and eye damage is essential. The Sun's UV radiation is most potent between the hours of 10 a.m. and 4 p.m. Try to avoid direct sunlight during this time. A wide-brimmed hat is a shield, deflecting up to 50% of harmful UV radiation from eyes.
Published by: Weather Atlas | About Us
Data Sources | Weather Forecasting & Climate
Frequently asked questions
Average temperature in December
Breakers, Cayman Islands
- Average high temperature in December: 27.2°C
The warmest month (with the highest average high temperature) is August (29.7°C).
The month with the lowest average high temperature is February (26.2°C).
- Average low temperature in December: 26.1°C
The month with the highest average low temperature is August (28.6°C).
The coldest month (with the lowest average low temperature) is March (24.9°C).
Average pressure in December
Breakers, Cayman Islands
- Average pressure in December: 1015.2mbar
The month with the highest atmospheric pressure is January (1016.3mbar).
The month with the lowest atmospheric pressure is October (1011.7mbar).
Average wind speed in December
Breakers, Cayman Islands
- Average wind speed in December: 26.4km/h
The windiest month (with the highest average wind speed) is December (26.4km/h).
The calmest month (with the lowest average wind speed) is September (17.2km/h).
Average humidity in December
Breakers, Cayman Islands
- Average humidity in December: 76%
The month with the highest relative humidity is June (79%).
The month with the lowest relative humidity is September (74%).
Average rainfall in December
Breakers, Cayman Islands
- Average rainfall in December: 57mm
The wettest month (with the highest rainfall) is October (159mm).
The driest month (with the least rainfall) is March (24mm).
Average rainfall days in December
Breakers, Cayman Islands
- Average rainfall days in December: 20.6 days
The month with the highest number of rainy days is October (26.5 days).
The month with the least rainy days is March (16 days).
Average daylight in December /
Average sunshine in December
Breakers, Cayman Islands
- Average daylight in December: 11h and 0min
The month with the longest days is June (Average daylight: 13h and 18min).
The month with the shortest days is December (Average daylight: 11h and 0min).
- Average sunshine in December: 6h and 0min
The months with the most sunshine are May and July (Average sunshine: 10h and 36min).
The month with the least sunshine is December (Average sunshine: 6h and 0min).
Average sunshine days in December
Breakers, Cayman Islands
- Average sunshine days in December: 4.3 days
The month with the most sunshine days is March (9.3 days).
The month with the least sunshine days is November (2.5 days).
Average UV index in December
Breakers, Cayman Islands
- Average UV index in December: 7
The months with the highest UV index are February, March, April, May, June, July, August, September, October, November and December (UV index 7).
The month with the lowest UV index is January (UV index 6).
Average cloud cover in December
Breakers, Cayman Islands
- Average cloud cover in December: 39
The month with the most cloud cover is January (Cloud cover 41).
The month with the least cloud cover is April (Cloud cover 28).
Average visibility in December
Breakers, Cayman Islands
- 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).





