About San Antonio, Cayo District's Climate & Weather History

San Antonio is a city of approximately 2,700 people in Cayo District, BZ. Located in the America/Belize time zone at 17.1°N latitude.

In 2025, San Antonio recorded an average annual temperature of 77°F. The hottest temperatures reached 100°F in May; the coolest were 61°F in February. Total precipitation for the year was 45 inches, with the wettest month being November.