It covers 174.49 km2, representing 0.14% of the total surface area of the state. The municipality of Jamay adjoins to the north with the municipalities of Ocotlán and La Barca; to the east with the municipality of La Barca; to the south with the municipality of La Barca, the state of Michoacán and the municipality of Ocotlán; to the west with the municipality of Ocotlán and Lake Chapala.
Jamay is famous for a monument located in the center of the main square in memory of Pope Pius IX.
Jamay is one of the fastest-growing municipalities in Jalisco, hosting pageants every independence day in September and major sporting events.
Climate
Climate data for Jamay (1991–2020 normals, extremes 1970–present)