Other facts from our historical weather data: Which is the hottest month in San Francisco de Macorís? September has an average maximum temperature of 33°C (91°F) and is the hottest month of the year. Which is the coolest month in San Francisco de Macorís? The coolest month is January with an average maximum temperature of 29°C (84°F). Which is the wettest month in San Francisco de Macorís? May tops the wettest month list with 109mm (4.3 in) of rainfall. Which is the driest month in San Francisco de Macorís? February is the driest month with 54mm (2.1 in) of precipitation. Which is the sunniest month in San Francisco de Macorís? August is the sunniest month with an average of 253 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.