With a population of around 28,700, Santo Tomas sits in Atlantico, Colombia. The city operates in the America/Bogota time zone.
In 2025, Santo Tomas recorded an average annual temperature of 83°F. The hottest temperatures reached 100°F in March; the coolest were 73°F in December. Total precipitation for the year was 46 inches, with the wettest month being May.
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