Overview: Yucatan - MexicoYucatan (Mexico) in general has a tropical climate. Temperatures during the day are in the range from 28 °C (83 °F) in January to 33 °C (92 °F) in August. Temperatures during the night go from 19 °C (65 °F) in January to 24 °C (74 °F) in June. The highest sea temperatures in Yucatan are in September with 29 °C (84 °F) and the lowest in February with 26 °C (78 °F). The driest month is March with just 3 days of rain, on the contrary, the month when it rains the most is September with 14 days of rain.