Winters in Santa Maria are mild, with temperatures ranging from near-freezing to the mid-30s Celsius. The coldest months, January and December, average around 10°C, while February is only slightly warmer. As spring approaches, temperatures gradually rise, reaching an average of 12°C in April and 14°C by May. Summer brings warm days with temperatures often above 35°C, peaking at 38°C in June, before slowly cooling down to the mid-30s Celsius by September. Autumn sees a return to milder temperatures, averaging around 15°C in October and returning to near-freezing levels by November.