Weather will likely play an important role when you plan your trip to Trinidad, but bear in mind that cheaper options are usually available when the weather isn't as good. The hottest months are usually January and February, with an average temperature of 26°C, while the coldest months are July and June, with an average of 17°C. The rainiest months in Trinidad are October, May, November and December, with each month seeing an average of 205 mm of rainfall.