Climates and Weather in Mexico. Mexicoâs weather varies significantly by season and by region. For detailed climate information and a live weather report for specific places, look up the locations you want to visit using our extensive Mexico Travel Guide. See Also: When To Go Mexico (Seasons & Climate).
Confidence votes 28. Annual means once a year, and Semi means partial, so that means that Semiannual means twice a year, once at the beginning and once at the half-year mark.
âBiweeklyâ, âbimonthlyâ, âbiannualâ, and âbicentennialâ. Bi- usually means every two (as in every two [weeks/months/years, etc.].. But it can also mean twice every [week/month/year, etc.].. To avoid confusion, I save bi- for every two and use semi- to mean twice every.. I wish everyone did.