Banks, government offices and many businesses are closed on these days and hotels fill up quickly:

Jan 1: New Year's Day
Feb 5: Constitution Day
Mar 21: Birthday of Benito Juarez
March-April (varies): Holy Week Celebrations, Good Friday through Easter Sunday
May 1: Labor Day
May 5: Cinco de Mayo (Anniversary of Battle of Puebla, 1862)
May 10: Mother's Day
Sep 16: Independence Day
Oct 12: Dia de la Raza
Nov 2: President's State of the Nation Address
Nov 2: Dia de los Muertos (Day of the Dead)
Nov 20: Anniversary of the Mexican Revolution
Dec 25-Jan 2: Christmas Week celebrations

Follow these links for more detailed listings of annual Mexican holidays and special events in and around Los Cabos for each month of the year.