About San Antonio, Cayo District

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.

Recent weather here gives a sense of typical conditions: in 2025, San Antonio recorded a mean annual temperature of 77°F, ranging from 61°F lows in February to 100°F highs in May, with about 45 inches of precipitation across the year.