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
Stepping into December, Waterloo records an average high-temperature of a still moderately hot 28.7°C (83.7°F), almost consistent with November. Waterloo's nights throughout December are marked by an average low temperature of 25.4°C (77.7°F), a minor drop from the day's high.Heat index
In December, the heat index is evaluated at a hot 34°C (93.2°F). Greater safety measures are needed, risk of heat exhaustion and heat cramps is high. Continuous activity might trigger heatstroke.The standards for the heat index are set for locations in shade and under light breezes. 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 a calculation that merges air temperature and relative humidity to depict the sensation of warmth. Factors such as metabolic variation, pregnancy, and physical activity play a role in one's impression of weather. Given direct exposure to sunlight, one might experience a rise in the heat index by up to 15 Fahrenheit (8 Celsius) degrees. Heat index values are extremely vital to babies and toddlers. Young ones are generally at greater risk than adults due to their limited sweating ability. In addition, their large skin surface relative to their small bodies and higher heat production from their activities add to their vulnerability.
Humidity
July, November and December, with an average relative humidity of 78%, are the most humid months.Rainfall
In Waterloo, in December, it is raining for 16.6 days, with typically 48mm (1.89") of accumulated precipitation. Throughout the year, there are 202.6 rainfall days, and 599mm (23.58") of precipitation is accumulated.Daylight
The month with the shortest days is December, with an average of 11h and 30min of daylight.On the first day of the month, sunrise is at 06:08 and sunset at 17:41. On the last day of December, sunrise is at 06:23 and sunset at 17:54 AST.
Sunshine
The month with the least sunshine in Waterloo, Trinidad and Tobago, is December, with an average of 6.7h of sunshine.UV index
The months with the highest UV index are January through December, with an average maximum UV index of 7. The months with the lowest UV index in Waterloo are January through December, with an average maximum UV index of 7. A UV Index reading of 6 to 7 represents a high threat to health from unsafe exposure to UV radiation for ordinary individuals.Note: In December, the maximum UV index of 7 translates into these guidelines:
Shield from overexposure. Defense against sun-related harm is required. Stay out of direct sunlight between 10 a.m. and 4 p.m., when UV radiation is most intense, and remember that not all shade structures provide complete protection. Opt for tightly woven and loose clothing to enhance protection from the Sun.
Frequently asked questions
How hot is it in Waterloo in December?
What are the most humid months in Waterloo?
What is the average humidity in December in Waterloo?
How much does it rain in Waterloo in December?
What is the month with the shortest days in Waterloo?
How many hours of daylight does Waterloo have in December?
When are sunrise and sunset in December in Waterloo?
What is the month with the least sunshine in Waterloo?
How long on average sun shines in December in Waterloo?
What is the month with the highest UV index in Waterloo?
What is the month with the lowest UV index in Waterloo?
What is the UV index reading in December in Waterloo?
Average temperature in December
Waterloo, Trinidad and Tobago
- Average high temperature in December: 28.7°C
The warmest month (with the highest average high temperature) is September (30.5°C).
The month with the lowest average high temperature is January (28.2°C).
- Average low temperature in December: 25.4°C
The months with the highest average low temperature are September and October (26.5°C).
The coldest month (with the lowest average low temperature) is February (24.7°C).
Average pressure in December
Waterloo, Trinidad and Tobago
- Average pressure in December: 1012.1mbar
The month with the highest atmospheric pressure is June (1013.7mbar).
The month with the lowest atmospheric pressure is November (1010.3mbar).
Average wind speed in December
Waterloo, Trinidad and Tobago
- Average wind speed in December: 15.6km/h
The windiest month (with the highest average wind speed) is May (17km/h).
The calmest month (with the lowest average wind speed) is August (12.6km/h).
Average humidity in December
Waterloo, Trinidad and Tobago
- Average humidity in December: 78%
The months with the highest relative humidity are July, November and December (78%).
The months with the lowest relative humidity are March and April (74%).
Average rainfall in December
Waterloo, Trinidad and Tobago
- Average rainfall in December: 48mm
The wettest month (with the highest rainfall) is August (97mm).
The driest month (with the least rainfall) is April (17mm).
Average rainfall days in December
Waterloo, Trinidad and Tobago
- Average rainfall days in December: 16.6 days
The month with the highest number of rainy days is July (22.7 days).
The month with the least rainy days is April (11.6 days).
Average daylight in December /
Average sunshine in December
Waterloo, Trinidad and Tobago
- Average daylight in December: 11h and 3min
The month with the longest days is June (Average daylight: 12h and 42min).
The month with the shortest days is December (Average daylight: 11h and 30min).
- Average sunshine in December: 6h and 4min
The months with the most sunshine are August and September (Average sunshine: 11h and 6min).
The month with the least sunshine is December (Average sunshine: 6h and 42min).
Average sunshine days in December
Waterloo, Trinidad and Tobago
- Average sunshine days in December: 11.5 days
The month with the most sunshine days is April (14.3 days).
The month with the least sunshine days is July (5.6 days).
Average UV index in December
Waterloo, 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
Waterloo, Trinidad and Tobago
- Average cloud cover in December: 38
The month with the most cloud cover is June (Cloud cover 42).
The month with the least cloud cover is September (Cloud cover 27).
Average visibility in December
Waterloo, 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).
Waterloo, Trinidad and Tobago
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