Arouca Weather in December
December in Arouca sees daytime temperatures around 29°C (84°F) and lows of 24°C (75°F) at night. With around 115 mm (4.5 in) of rainfall expected, it's worth packing a rain jacket.
Rainfall in Arouca in December
Analyzing past climate data, one can expect approximately 21 days of rain, averaging 115 mm (4.5 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 Arouca in December
Temperatures in Arouca in December top out at 29°C (84°F) and drop to 24°C (75°F) overnight. Conditions stay fairly consistent through the month, making it easier to plan what to wear. With lows around 24°C (75°F), the nights are warm enough that a sheet is usually all you need for bedding.
Sunshine in Arouca in December
The month enjoys around 215 hours of sunshine, creating mostly sunny days with good weather conditions.
Average water temperature in December
At 28°C (82°F), the water is warm and comfortable for swimming. Most people find this temperature ideal for spending longer periods in the water.If you prefer enjoying temperate temperatures and rain-free days, January and February 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.
Check the conditions for any month of the year.
For a detailed overview over the year and the best time to visit Trinidad & Tobago, check out our Arouca's climate page.
Arouca Temperature in December
Min Temperature
24°C (75°F)
Max Temperature
29°C (84°F)
Water Temperature
28°C (82°F) *
Chance of Rain
69%
Precipitation
115 mm (4.5 in)
Rainy days
21 days
Humidity
84% *
Sunshine
215 hours *
Percentage Sunshine
*
Daily Historical Temperatures
49-year average (1976-2025)
Based on our historical records, temperatures in Arouca typically stay consistent throughout December, with daily highs averaging around 29°C (84°F). Nights are warm, with lows around 23°C (73°F).
Average temperatures in December
Historical weather for Arouca in December
Browse day-by-day weather records for Arouca spanning 51 years. Select any month and year to see actual temperatures, rainfall, and conditions recorded on each day.
Arouca historical weather extremes in December
Based on weather observations in Arouca between 2003 and 2025, these are the recorded extremes during December.
- The warmest day in December was on December 8, 2020, with a maximum of 38°C (100°F).
- The coldest December day was on December 11, 2019, with a maximum of 24°C (75°F).
- The coldest night in December in Arouca was on December 10, 2022, 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 →
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What to Wear in Arouca 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. With water temperatures around 28°C (82°F), swimming conditions are excellent. Pack your swimsuit, goggles, and maybe some water shoes. You'll definitely want to pack sunglasses and sunscreen. There will be plenty of bright sunshine this month.What To Do in Arouca in December
We rated the following activities from 1 (least suitable) to 10 (best) to do.
Check the conditions for any month of the year.
For a detailed overview over the year and the best time to visit Trinidad & Tobago, check out our Arouca's climate page.
Temperature Rainfall Sunshine Humidity Water Temp
See the full Arouca climate overview or explore weather in Trinidad & Tobago.
