Other facts from our historical weather data: Which is the hottest month in Las Galeras? September has an average maximum temperature of 30°C (86°F) and is the hottest month of the year. Which is the warmest month in Las Galeras? September has an average maximum temperature of 30°C (86°F) and is the warmest month of the year. Which is the coolest month in Las Galeras? The coolest month is February with an average maximum temperature of 27°C (81°F). Which is the coldest month in Las Galeras? The coldest month is February with an average maximum temperature of 27°C (81°F). Which is the wettest month in Las Galeras? November tops the wettest month list with 151mm (5.9 in) of rainfall. Which is the driest month in Las Galeras? March is the driest month with 71mm (2.8 in) of precipitation. 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.