December weather forecast
Diego Martin, Trinidad and Tobago

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Weather in December

December invites cooler temperatures and a more defined dry season in Diego Martin. The weather steadily shifts away from the wet season norms, with significantly lower rainfall and a drop in humidity. Despite this shift, the city remains well-lit and warm throughout the month, making it a perfect time for sun-seekers. Wind activity remains steady, which coupled with the lower temperatures, offers a pleasant climate. Diego Martin bids farewell to the year with temperatures varying from 25.5°C (77.9°F) to 28.5°C (83.3°F).

Temperature

December's weather records an average high-temperature of a still moderately hot 28.5°C (83.3°F), showing little deviation from November. Consistently, Diego Martin reports average nighttime temperatures of 25.5°C (77.9°F) during December, a marginal step down from its daytime highs.

Heat index

The heat index value during December is computed to be a hot 33°C (91.4°F). Undertake special precautions, the probability of heat exhaustion and heat cramps is high. Prolonged activity may provoke heatstroke.
Research indicates the heat index considers values in shaded locales and with light winds. Exposure to unobstructed sunshine could lead to an increase in the heat index by 15 Fahrenheit (8 Celsius) degrees.
Note: The heat index, also known as 'feels like' or 'felt air temperature', binds temperature metrics with humidity values to give a sense of the actual warmth. Additional elements including metabolic differences, the level of physical activity, and attire have a role in shaping the individual's temperature perception. 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. Kids frequently ignore the importance of taking a break and rehydrating. Thirst is a late symptom of dehydration - thus, it is crucial to stay hydrated, especially during long-lasting physical activities.

Humidity

The average relative humidity in December is 78%.

Rainfall

In Diego Martin, during December, the rain falls for 18.3 days and regularly aggregates up to 44mm (1.73") of precipitation. Throughout the year, in Diego Martin, there are 194.8 rainfall days, and 640mm (25.2") of precipitation is accumulated.

Daylight

December has the shortest days of the year in Diego Martin, with an average of 11h and 30min of daylight.
On the first day of December in Diego Martin, sunrise is at 06:09 and sunset at 17:41. On the last day of the month, sunrise is at 06:24 and sunset at 17:54 AST.

Sunshine

With an average of 6.7h of sunshine, December has the least sunshine of the year in Diego Martin.

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 are January through December, with an average maximum UV index of 7. A UV Index of 6 to 7 symbolizes a high health hazard from exposure to the Sun's UV rays for the ordinary person.
Note: The average daily UV index of 7 in December transforms into the following instructions:
Avert overexposure. Light-skinned people might experience burning in less than 20 minutes. Avoid direct Sun exposure and seek shade between 10 a.m. and 4 p.m., when UV radiation is at its peak, but keep in mind that not all shade structures provide complete protection. Sunglasses providing both UVA and UVB protection are non-negotiable on sunlit days.
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Frequently asked questions

Is it hot in Diego Martin during December?

An average high-temperature, in December, in Diego Martin, is 28.5°C (83.3°F) and the average low-temperature is 25.5°C (77.9°F). The average heat index (a.k.a. 'apparent temperature', 'feels like'), which takes the relative humidity and factors it into the air temperature reading, in December is computed to be 33°C (91.4°F).

What is the average humidity in December in Diego Martin?

The average relative humidity in December in Diego Martin is 78%.

How much does it rain in Diego Martin in December?

In December, in Diego Martin, the rain falls for 18.3 days. Throughout December, 44mm (1.73") of precipitation is accumulated.

What is the month with the shortest days in Diego Martin?

With an average of 11h and 30min of daylight, December has the shortest days of the year in Diego Martin, Trinidad and Tobago.

How many hours of daylight does Diego Martin have in December?

The average day length in December in Diego Martin is 11h and 31min.

When is the sunrise / sunset in December in Diego Martin?

In December, on the first day of the month, sunrise is at 06:09 and sunset at 17:41. On the last day of the month, in Diego Martin, sunrise is at 06:24 and sunset at 17:54 AST.

What is the month with the least sunshine in Diego Martin?

December has the least sunshine of the year, with an average of 6.7h of sunshine.

How long on average sun shines in December in Diego Martin?

The average sunshine duration in December in Diego Martin, Trinidad and Tobago, is 6.7h.

What is the month with the highest UV index in Diego Martin?

January through December, with an average maximum UV index of 7, are months with the highest UV index in Diego Martin, Trinidad and Tobago.

What is the month with the lowest UV index in Diego Martin?

January through December, with an average maximum UV index of 7, are months with the lowest UV index in Diego Martin.

What is the UV index reading in December in Diego Martin?

In December, the average daily maximum UV index in Diego Martin, Trinidad and Tobago, is 7. A UV Index of 6 to 7 symbolizes a high health threat from exposure to the Sun's UV radiation.

Average temperature in December
Diego Martin, Trinidad and Tobago

Average temperature in December - Diego Martin, Trinidad and Tobago
  • Average high temperature in December: 28.5°C

The warmest month (with the highest average high temperature) is September (30.1°C).
The month with the lowest average high temperature is January (27.9°C).

  • Average low temperature in December: 25.5°C

The month with the highest average low temperature is October (26.6°C).
The coldest months (with the lowest average low temperature) are January and February (24.8°C).

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Average pressure in December
Diego Martin, Trinidad and Tobago

Average pressure in December - Diego Martin, Trinidad and Tobago
  • Average pressure in December: 1012.3mbar

The month with the highest atmospheric pressure is June (1013.8mbar).
The month with the lowest atmospheric pressure is November (1010.4mbar).

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Average wind speed in December
Diego Martin, Trinidad and Tobago

Average wind speed in December - Diego Martin, Trinidad and Tobago
  • Average wind speed in December: 17.1km/h

The windiest month (with the highest average wind speed) is February (18.3km/h).
The calmest month (with the lowest average wind speed) is August (13.6km/h).

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Average humidity in December
Diego Martin, Trinidad and Tobago

Average humidity in December - Diego Martin, Trinidad and Tobago
  • Average humidity in December: 78%

The month with the highest relative humidity is July (79%).
The months with the lowest relative humidity are February, March and April (75%).

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Average rainfall in December
Diego Martin, Trinidad and Tobago

Average rainfall in December - Diego Martin, Trinidad and Tobago
  • Average rainfall in December: 44mm

The wettest month (with the highest rainfall) is October (115mm).
The driest month (with the least rainfall) is February (14mm).

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Average rainfall days in December
Diego Martin, Trinidad and Tobago

Average rainfall days in December - Diego Martin, Trinidad and Tobago
  • Average rainfall days in December: 18.3 days

The month with the highest number of rainy days is August (22.2 days).
The months with the least rainy days are February and April (10.3 days).

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Average daylight in December /
Average sunshine in December
Diego Martin, Trinidad and Tobago

Average daylight in December / Average sunshine in December - Diego Martin, 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 month with the most sunshine is August (Average sunshine: 11h and 6min).
The month with the least sunshine is December (Average sunshine: 6h and 42min).

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Average sunshine days in December
Diego Martin, Trinidad and Tobago

Average sunshine days in December - Diego Martin, Trinidad and Tobago
  • Average sunshine days in December: 8.7 days

The months with the most sunshine days are March and April (15.9 days).
The month with the least sunshine days is August (6.8 days).

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Average UV index in December
Diego Martin, Trinidad and Tobago

Average UV index in December - Diego Martin, 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).

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Average cloud cover in December
Diego Martin, Trinidad and Tobago

Average cloud cover in December - Diego Martin, Trinidad and Tobago
  • Average cloud cover in December: 38

The month with the most cloud cover is June (Cloud cover 40).
The month with the least cloud cover is September (Cloud cover 27).

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Average visibility in December
Diego Martin, Trinidad and Tobago

Average visibility in December - Diego Martin, 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).

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Diego Martin, Trinidad and Tobago

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