If you’re looking forward to lots of outings with your partner, take a look at these details about year-round temperatures in Conselheiro Lafaiete: The hottest months are usually September and October, with an average temperature of 21°C, while the coldest months are July and August, with an average of 17°C. The rainiest months in Conselheiro Lafaiete are December, January, November and February, with each month seeing an average of 268 mm of rainfall.