If you’re looking forward to lots of outings with your partner, take a look at these details about year-round temperatures in Santo Antonio do Pinhal: The hottest months are usually December and January, with an average temperature of 19°C, while the coldest months are July and June, with an average of 14°C. The rainiest months in Santo Antonio do Pinhal are January, December, February and November, with each month seeing an average of 306 mm of rainfall.