Other facts from our historical weather data: Does Izamal have a dry season? Yes, the months of February and March are very dry. Which is the hottest month in Izamal? 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 Izamal? The coolest month is January with an average maximum temperature of 30°C (86°F). Which is the wettest month in Izamal? September tops the wettest month list with 152mm (6 in) of rainfall. Which is the driest month in Izamal? March is the driest month with 16mm (0.6 in) of precipitation. Which is the sunniest month in Izamal? 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.