If you’re looking forward to lots of outings with your partner, check out these details about year-round temperatures in Lambaré: The hottest months are usually January and December with an average temp of 82°F, while the coldest months are July and June with an average of 65°F. The rainiest months in Lambaré are October, November, December, and April, with each month seeing an average of 7 inches of rainfall.