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Diamond Weather in December
During December, Diamond experiences high daytime temperatures of 28°C (82°F) and cooler nights around 26°C (79°F). Expect quite a bit of rainfall. Around 117 mm (4.6 in) is typical.
Rainfall in Diamond in December
This month experiences about 20 days of rain according to historical data, averaging 117 mm (4.6 in). Rain falls regularly this month and can be quite heavy when it does. Showers can be substantial, so waterproof gear is a good idea.
Temperature in Diamond in December
Temperatures in Diamond in December top out at 28°C (82°F) and drop to 26°C (79°F) overnight. Conditions stay fairly consistent through the month, making it easier to plan what to wear. At 26°C (79°F) overnight, it stays warm after dark. Light, breathable clothing and good airflow in your room make a noticeable difference.If you prefer enjoying temperate temperatures and rain-free days, January, February, March, April and May typically offer the best circumstances. If you're seeking pleasant, dry and sunny weather somewhere else in the world, our weather planner can help you explore other options.
Diamond Temperature in December
Min Temperature
26°C (79°F)
Max Temperature
28°C (82°F)
Chance of Rain
66%
Precipitation
117 mm (4.6 in)
Rainy days
20 days
Diamond Weather by Month
Pick a month to see the average temperature, rainfall and sunshine in Diamond - and find the best time to visit.
Daily Historical Temperatures
45-year average (1978-2025)
Based on our historical records, temperatures in Diamond typically stay consistent throughout December, with daily highs averaging around 28°C (82°F). Nights are warm, with lows around 24°C (75°F).
Average temperatures in December
Historical weather records for Diamond in December
Browse day-by-day weather records for Diamond spanning 51 years. Select any month and year to see actual temperatures, rainfall, and conditions recorded on each day.
Diamond historical weather extremes in December
Based on weather observations in Diamond between 2003 and 2025, these are the recorded extremes during December.
- The hottest December day on record in Diamond reached 32°C (90°F) (December 22, 2014).
- The lowest daytime temperature in December was 26°C (79°F), recorded on December 26, 2003.
- The coldest night in December in Diamond was on December 1, 2007, with a minimum of 20°C (68°F).
Best Places in Trinidad & Tobago in December
Find out more about the weather in Trinidad & Tobago and which places have the best travel conditions in this month. See all of Trinidad & Tobago in December →
perfect weather
pleasant
tolerable
unpleasant
poor
Perfect weather is subjective. On this map perfect weather has been defined with temperatures between 20°C (68°F) and 29°C (84°F) and not too much precipitation (less than 90 mm (3.5 in) a month).
What to Wear in Diamond in December
Warm weather calls for comfortable, breathable clothing in December. Cotton t-shirts, shorts, light dresses, and sandals are perfect. You might still want a light layer for evenings or air-conditioned places (for example buses). High rain levels are expected, so pack waterproof gear and an umbrella or poncho.
What To Do in Diamond in December
We rated the following activities from 1 (least suitable) to 10 (best) to do.
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Cycling7/10 -
Walking7/10 -
Camping7/10 -
Outdoor sports7/10
Diamond 3-Day Forecast
More climate data for Diamond
See the full Diamond climate overview or explore weather in Trinidad & Tobago.
Popular in December
Where to go in December - average daytime high across popular destinations.
Piarco
29°C (84°F) Castara
28°C (82°F) Crown Point28°C (82°F) San Juan29°C (84°F) Buccoo28°C (82°F) Scarborough28°C (82°F) Bon Accord Village28°C (82°F) Port-of-Spain29°C (84°F) Bucket list
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