Planning for the weather is an important factor for making your trip to São Gonçalo do Amarante a success, especially when you're splurging. The hottest months are usually October and November, with an average temperature of 27°C, while the coldest months are July and August, with an average of 26°C. The rainiest months in São Gonçalo do Amarante are April, March, February and May, with each month seeing an average of 193 mm of rainfall.