View this Trinidad video from the ministry of tourism.
A valid passport is required of U.S. and Canadian citizens for entry to Trinidad and Tobago. U.S. and Canadian citizens do not need a visa for tourism or business-related visits of 90 days or less.
See Trinidad average weather by month including historical temperatures and rainfall so you can plan your vacation around good weather.
Favorite Trinidad attractions include its famous festivals, especially Carnival, a two-day showcase of color, dance and music every February.

Like many Caribbean destinations, the island of Trinidad has best times to visit based on weather.