Weather is probably a major factor when you plan your trip to Santa Maria, but bear in mind that cheaper options are usually available when the weather isn't as good. The hottest months are usually January and February, with an average temperature of 24°C, while the coldest months are July and June, with an average of 14°C. The rainiest months in Santa Maria are October, September, November and January, with each month seeing an average of 196 mm of rainfall.