Weather is probably a major factor when you plan your trip to Extrema, but bear in mind that cheaper options are usually available when the weather isn't as good. The hottest months are usually September and February, with an average temperature of 20°C, while the coldest months are July and June, with an average of 16°C. The rainiest months in Extrema are January, December, February and November, with each month seeing an average of 282 mm of rainfall.