If you're looking forward to lots of outings with your partner, take a look at these details about year-round temperatures in Ninacaca: The hottest months are usually November and December, with an average temperature of 6°C, while the coldest months are July and June, with an average of 4°C. The rainiest months in Ninacaca are February, December, January and March, with each month seeing an average of 237 mm of rainfall.