If you’re looking forward to lots of outings with your partner, check out these details about year-round temperatures in Volta Redonda: The hottest months are usually February and January with an average temp of 74°F, while the coldest months are July and June with an average of 65°F. The rainiest months in Volta Redonda are January, December, November, and March, with each month seeing an average of 10 inches of rainfall.