In Belize, we don't actually have clear cut Dry or Wet season. . .. And event then, the patterns change considerably.
Some years we have not had a proper Dry season, other years not a proper Wet season.
Last year 2013, we had real proper, long, badly long Dry season. . . . AND a real proper, long bad Wet season.
These patterns also change over long times, generally been similar for the last 50 years, but can change.
Generally thought to be one reason why the Maya civilisations in Belize/Mexico died out a few hundred years ago.
But our Typical patterns in Belize also vary considerably across even our small country.
Belize Annual Rainfall - mm/Month
The chart below is the official Met Office chart.
And the Belmopan Chart for 2013 :