San Fernando Weather in December
December in San Fernando typically sees daytime highs of 29°C (84°F) and nighttime lows of 24°C (75°F). Rainfall is also possible this month, so it's worth packing an umbrella.
Rainfall in San Fernando in December
On average, there are about 20 days with rain during this month, averaging 103 mm (4.1 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 San Fernando in December
Temperatures in San Fernando in December top out at 29°C (84°F) and drop to 24°C (75°F) overnight. This kind of day-to-night contrast is typical for this time of year. With lows around 24°C (75°F), the nights are warm enough that a sheet is usually all you need for bedding.
Sunshine in San Fernando in December
Enjoy a sunny month with about 215 hours of sunshine, the clear skies make San Fernando even more beautiful.Our weather planner can help you find worldwide destinations with pleasant weather during this period. January typically offers the best weather for San Fernando.
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 San Fernando's climate page.
San Fernando Temperature in December
Min Temperature
24°C (75°F)
Max Temperature
29°C (84°F)
Chance of Rain
67%
Precipitation
103 mm (4.1 in)
Rainy days
20 days
Humidity
84% *
Sunshine
215 hours *
Percentage Sunshine
*
Daily Historical Temperatures
49-year average (1976-2025)
Based on our historical records, temperatures in San Fernando 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 San Fernando in December
Browse day-by-day weather records for San Fernando spanning 51 years. Select any month and year to see actual temperatures, rainfall, and conditions recorded on each day.
San Fernando historical weather extremes in December
Based on 22 years of weather observations (2003-2025), these are the most extreme conditions recorded in San Fernando.
- San Fernando recorded its highest December temperature of 35°C (95°F) on December 31, 2014.
- San Fernando experienced its chilliest December day on December 11, 2019, reaching only 24°C (75°F).
- The coldest night in December in San Fernando was on December 19, 2025, with a minimum of 19°C (66°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 San Fernando in December
Warm but pleasant conditions in San Fernando in December. Focus on lightweight, maybe with natural fabrics, cotton blend shirts, comfortable shorts, and breathable footwear. A light cover-up for sun protection is smart too. Expect heavy rainfall, so bring good rain protection and waterproof bags. And with plenty of sunshine hours, don’t forget sunglasses, sunscreen, and maybe a sun hat.What To Do in San Fernando 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 San Fernando's climate page.
Temperature Rainfall Sunshine Humidity
See the full San Fernando climate overview or explore weather in Trinidad & Tobago.
