Other facts from our historical weather data: Does Uxmal have a dry season? Yes, the months of February and March are very dry. Which is the hottest month in Uxmal? May has an average maximum temperature of 37°C (99°F) and is the hottest month of the year. Which is the coolest month in Uxmal? The coolest month is January with an average maximum temperature of 31°C (88°F). Which is the wettest month in Uxmal? September tops the wettest month list with 134mm (5.3 in) of rainfall. Which is the driest month in Uxmal? March is the driest month with 12mm (0.5 in) of precipitation. Which is the sunniest month in Uxmal? May is the sunniest month with an average of 275 hours of sunshine. No idea where to travel to this year? We have a tool that recommends destinations based on your ideal conditions. Find out where to go with our weather planner.