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Grande Riviere Weather in December
December in Grande Riviere brings high temperatures around 28°C (82°F) during the day, dropping to 25°C (77°F) at night, with quite a bit of rainfall expected, averaging around 141 mm (5.6 in) for the month.
Rainfall in Grande Riviere in December
Rain is expected on roughly 21 days, totalling around 141 mm (5.6 in) for the month. Wet weather is a regular and significant part of this month. Frequent days of rain combined with high totals means proper waterproofs are worth packing.
Temperature in Grande Riviere in December
December in Grande Riviere brings high temperatures, with highs of 28°C (82°F) and nights around 25°C (77°F). This gives the month a fairly typical daily rhythm, with warmer afternoons and more comfortable nights. At 25°C (77°F) overnight, it stays warm after dark. Light, breathable clothing and good airflow in your room make a noticeable difference.
Sunshine in Grande Riviere in December
Expect a lot of sunshine this month, with about 215 hours of sun. These sunny conditions add to the overall experience.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.
Grande Riviere Temperature in December
Min Temperature
25°C (77°F)
Max Temperature
28°C (82°F)
Chance of Rain
68%
Precipitation
141 mm (5.6 in)
Rainy days
21 days
Humidity
84% *
Sunshine
215 hours *
Percentage Sunshine
*
* Data from: Trinidad, Trinidad & Tobago (40 KM, 25 Miles).
Grande Riviere Weather by Month
Pick a month to see the average temperature, rainfall and sunshine in Grande Riviere - and find the best time to visit.
Daily Historical Temperatures
49-year average (1976-2025)
Based on our historical records, temperatures in Grande Riviere typically stay consistent throughout December, with daily highs averaging around 28°C (82°F). Nights are warm, with lows around 23°C (73°F).
Average temperatures in December
Historical weather records for Grande Riviere in December
Browse day-by-day weather records for Grande Riviere spanning 51 years. Select any month and year to see actual temperatures, rainfall, and conditions recorded on each day.
Grande Riviere historical weather extremes in December
Based on 22 years of weather observations in Grande Riviere between 2003 and 2025, these are the recorded extremes.
- The hottest December day on record in Grande Riviere reached 33°C (91°F) (December 1, 2004).
- The coldest December day was on December 11, 2019, with a maximum of 25°C (77°F).
- The coldest night in December in Grande Riviere was on December 30, 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 Grande Riviere 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. You'll definitely want to pack sunglasses and sunscreen. There will be plenty of bright sunshine this month.
What To Do in Grande Riviere in December
We rated the following activities from 1 (least suitable) to 10 (best) to do.
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Swimming9/10 -
Cycling7/10 -
Walking7/10 -
Camping6/10 -
Outdoor sports7/10
Grande Riviere 3-Day Forecast
More climate data for Grande Riviere
Temperature Rainfall Sunshine Humidity
See the full Grande Riviere 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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