Good weather's definitely a plus when you want to venture out and explore, so here are some stats that may be helpful: The hottest months are usually January and December, with an average temperature of 24°C, while the coldest months are July and June, with an average of 16°C. The rainiest months in Municipio Yacuíba are February, December, January and March, with each month seeing an average of 240 mm of rainfall.