The climatic conditions of the municipality is determined by its latitude (tropical zone), geographical position (on the south coast of the central region of the island), as well as its relief (flat to the south and rises to form the premontane and strongly dissected mountains of north).

The combination of these factors leads to differences in temperature and rainfall regime, not only seasonally but also between mountain and plain.

The average air temperature in the plain are 26 ° to 28 ° C in summer and between 22 ° and 24 ° C in winter. In the mountains, these values ​​are 5 ° to 6 ° C below average. However, the station Trinidad weather extremes have occurred, such as 37 ° C in the shade on May 30, 1992, and only 7 ° C in winter, January 20, 1977.