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Castara Weather in December
December in Castara brings high temperatures, with highs of 28°C (82°F) and nights dropping to 26°C (79°F). Rainfall is on the higher side this month, averaging around 110 mm (4.3 in), so keep a rain jacket handy.
Rainfall in Castara in December
The climate data from previous years indicates about 20 days of rain, averaging 110 mm (4.3 in) for the month. Expect frequent rainfall this month, and not just light drizzle. When it rains, it tends to come down hard.
Temperature in Castara in December
In December, Castara gets high temperatures, with highs of 28°C (82°F). Nights cool to around 26°C (79°F). Overall, the month follows a fairly predictable daily temperature pattern. Nights stay warm at around 26°C (79°F), so light bedding and good ventilation are worth thinking about.For Castara itself, January, February, March, April and May generally stand out with 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.
Castara Temperature in December
Min Temperature
26°C (79°F)
Max Temperature
28°C (82°F)
Chance of Rain
65%
Precipitation
110 mm (4.3 in)
Rainy days
20 days
Castara Weather by Month
Pick a month to see the average temperature, rainfall and sunshine in Castara - and find the best time to visit.
Daily Historical Temperatures
45-year average (1978-2025)
Based on our historical records, temperatures in Castara 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 Castara in December
Browse day-by-day weather records for Castara spanning 51 years. Select any month and year to see actual temperatures, rainfall, and conditions recorded on each day.
Castara historical weather extremes in December
Based on 22 years of weather observations in Castara between 2003 and 2025, these are the recorded extremes.
- On December 22, 2014, temperatures climbed to 32°C (90°F), marking the warmest December day on record.
- The coldest December day was on December 26, 2003, with a maximum of 26°C (79°F).
- Castara registered its coldest December night on December 1, 2007, with temperatures dropping to 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 Castara 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 Castara 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
Castara 3-Day Forecast
More climate data for Castara
See the full Castara 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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