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
December
Weather in December
Temperature
November's transformation into December witnesses an average high-temperature of a still moderately hot 27.6°C (81.7°F), noting a minor change from the preceding month. December nighttime temperatures in Black Rock hover close to the daytime peak with an average of 26.6°C (79.9°F).Heat index
For most parts of December, the heat index is estimated at a hot 31°C (87.8°F). If one continues to be active during exposure, it might cause tiredness and subsequent heat cramps.Given the heat index, its values are aligned with shaded sites and gentle winds. Facing direct sunlight may hike up the heat index by 15 Fahrenheit (8 Celsius) degrees.
Note: The heat index, also known as 'apparent temperature' or 'real feel', is achieved by amalgamating air temperature with the relative humidity readings. One's perception of weather can be shaped by other factors, involving metabolic differences, pregnancy, and physical exertion. Consider the fact that direct sun exposure can influence how hot one feels, potentially raising the heat index by 15 Fahrenheit (8 Celsius) degrees. Heat index values are especially vital to children. Children often overlook the need for breaks and fluid intake. Thirst is a late-stage sign of dehydration - hence, it is necessary to stay hydrated, especially during extended periods of physical activities.
Humidity
The average relative humidity in December is 77%.Rainfall
In Black Rock, Trinidad and Tobago, during December, the rain falls for 27.1 days and regularly aggregates up to 104mm (4.09") of precipitation. In Black Rock, during the entire year, the rain falls for 282.6 days and collects up to 1136mm (44.72") of precipitation.Daylight
With an average of 11h and 30min of daylight, December has the shortest days of the year in Black Rock.On the first day of the month, sunrise is at 06:06 and sunset at 17:37. On the last day of December, sunrise is at 06:21 and sunset at 17:50 AST.
Sunshine
The month with the least sunshine is December, with an average of 6.3h of sunshine.UV index
January through December, with an average maximum UV index of 7, are months with the highest UV index. The months with the lowest UV index in Black Rock are January 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 rays for the average person.Note: A daily maximum UV index of 7 in December translates into the following instructions:
Shun overexposure. Protection from sun ravages is indispensable. Stay out of direct sunlight and seek shade between 10 a.m. and 4 p.m., when UV radiation is strongest, but remember that shade devices may not offer full sun protection. Sun protection is enhanced with clothing that boasts a tight weave yet offers a loose fit.
Published by: Weather Atlas | About Us
Data Sources | Weather Forecasting & Climate
Frequently asked questions
What are December temperatures in Black Rock?
What is the average humidity in December in Black Rock?
How much does it rain in Black Rock in December?
What is the month with the shortest days in Black Rock?
How many hours of daylight does Black Rock have in December?
What time are sunrise and sunset in December in Black Rock?
What is the month with the least sunshine in Black Rock?
How long on average sun shines in December in Black Rock?
What are the months with the highest UV index in Black Rock?
What is the month with the lowest UV index in Black Rock?
How high is the UV index in December in Black Rock?
Average temperature in December
Black Rock, Trinidad and Tobago
- Average high temperature in December: 27.6°C
The warmest month (with the highest average high temperature) is September (28.8°C).
The month with the lowest average high temperature is February (26.7°C).
- Average low temperature in December: 26.6°C
The month with the highest average low temperature is September (27.9°C).
The coldest month (with the lowest average low temperature) is February (25.8°C).
Average pressure in December
Black Rock, Trinidad and Tobago
- Average pressure in December: 1012.4mbar
The month with the highest atmospheric pressure is June (1013.9mbar).
The month with the lowest atmospheric pressure is November (1010.5mbar).
Average wind speed in December
Black Rock, Trinidad and Tobago
- Average wind speed in December: 27.4km/h
The windiest month (with the highest average wind speed) is February (28.4km/h).
The calmest month (with the lowest average wind speed) is September (20.3km/h).
Average humidity in December
Black Rock, Trinidad and Tobago
- Average humidity in December: 77%
The months with the highest relative humidity are May, June and July (79%).
The month with the lowest relative humidity is September (76%).
Average rainfall in December
Black Rock, Trinidad and Tobago
- Average rainfall in December: 104mm
The wettest month (with the highest rainfall) is October (150mm).
The driest month (with the least rainfall) is April (37mm).
Average rainfall days in December
Black Rock, Trinidad and Tobago
- Average rainfall days in December: 27.1 days
The month with the highest number of rainy days is July (27.5 days).
The month with the least rainy days is April (18.7 days).
Average daylight in December /
Average sunshine in December
Black Rock, Trinidad and Tobago
- Average daylight in December: 11h and 3min
The month with the longest days is June (Average daylight: 12h and 48min).
The month with the shortest days is December (Average daylight: 11h and 30min).
- Average sunshine in December: 6h and 2min
The month with the most sunshine is August (Average sunshine: 10h and 36min).
The month with the least sunshine is December (Average sunshine: 6h and 18min).
Average sunshine days in December
Black Rock, Trinidad and Tobago
- Average sunshine days in December: 2.2 days
The months with the most sunshine days are February and April (5.2 days).
The month with the least sunshine days is June (2 days).
Average UV index in December
Black Rock, Trinidad and Tobago
- Average UV index in December: 7
The months with the highest UV index are January, February, March, April, May, June, July, August, September, October, November and December (UV index 7).
The months with the lowest UV index are January, February, March, April, May, June, July, August, September, October, November and December (UV index 7).
Average cloud cover in December
Black Rock, Trinidad and Tobago
- Average cloud cover in December: 43
The month with the most cloud cover is June (Cloud cover 45).
The month with the least cloud cover is September (Cloud cover 35).
Average visibility in December
Black Rock, Trinidad and Tobago
- 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).
