Contents
- Weather in December
- Frequently asked questions
- Average temperature in December
- Average pressure in December
- Average wind speed in December
- Average humidity in December
- Average rainfall in December
- Average rainfall days in December
- Average daylight in December
- Average sunshine in December
- Average sunshine days in December
- Average UV index in December
- Average cloud cover in December
- Average visibility in December
Weather in December
Temperature
The transition into December notes an average high-temperature of a still warm 27.2°C (81°F), revealing a mild distinction from the 28°C (82.4°F) in November. Brinkleys notes a steady average temperature of 26.1°C (79°F) during the nights of December.Heat index
The average heat index in December is estimated at a tropical 30°C (86°F). Continued exposure and engagement in activity might trigger tiredness and subsequently heat cramps.In the scope of the heat index, its values resonate with shade and light wind conditions. Heat index values can rise by 15 Fahrenheit (8 Celsius) degrees when in direct sunlight.
Note: The heat index, also known as 'felt air temperature' or 'real feel', takes into account both air temperature and humidity to illustrate what people actually feel. The individual's impression of temperature can be shaped by additional aspects such as metabolic variations, physical activity, and clothing. Taking into account that direct sunlight can boost the heat effect, the heat index may rise by up to 15 Fahrenheit (8 Celsius) degrees. Heat index values are highly critical to babies and toddlers. Kids generally face higher risks than adults as they sweat less. Along with their large skin surface compared to their small bodies and higher heat production due to their activities, their vulnerability is increased.
Humidity
In December, the average relative humidity in Brinkleys, Cayman Islands, is 76%.Rainfall
In Brinkleys, in December, during 20.6 rainfall days, 57mm (2.24") of precipitation is typically accumulated. Throughout the year, in Brinkleys, there are 241.1 rainfall days, and 854mm (33.62") of precipitation is accumulated.Daylight
December has the shortest days of the year, with an average of 11h and 0min of daylight.On the first day of December, sunrise is at 06:42 and sunset at 17:45. On the last day of the month, sunrise is at 06:58 and sunset at 17:57 EST.
Sunshine
December has the least sunshine of the year, 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 Brinkleys. A UV Index estimate of 6 to 7 represents a high health risk from unsafe exposure to UV radiation for average individuals.Note: A daily high UV index of 7 in December leads to these guidelines:
Deflect overexposure. Sun protection is a necessity. Stay in the shade and avoid direct Sun exposure from 10 a.m. to 4 p.m., a time when UV radiation is at its strongest, and remember that parasols or canopies do not offer full protection. A hat with a generous brim can prevent nearly 50% of UV rays from reaching your eyes.
Published by: Weather Atlas | About Us
Data Sources | Weather Forecasting & Climate
Frequently asked questions
What are December temperatures in Brinkleys?
What is the average humidity in December in Brinkleys?
How many days does it rain in December in Brinkleys?
What is the month with the shortest days in Brinkleys?
What is the average length of the day in December in Brinkleys?
What time are sunrise and sunset in December in Brinkleys?
What is the month with the least sunshine in Brinkleys?
How long on average sun shines in December in Brinkleys?
What is the month with the highest UV index in Brinkleys?
How high is the UV index in December in Brinkleys?
Average temperature in December
Brinkleys, 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
Brinkleys, 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
Brinkleys, 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
Brinkleys, 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
Brinkleys, 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
Brinkleys, 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
Brinkleys, 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
Brinkleys, 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
Brinkleys, 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
Brinkleys, 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
Brinkleys, 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).
Brinkleys, Cayman Islands
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