About St Mary Parish, Saint Mary Parish

St Mary Parish is a city of approximately 7,300 people in Saint Mary Parish, AG. Located in the America/Antigua time zone at 17.1°N latitude.

In 2025, St Mary Parish averaged an annual temperature of 80°F, with hottest temperatures reaching 90°F in July and lowest around 71°F in February. The city received approximately 32 inches of precipitation during the year.