Climate Insights for Santa María

The climate in Santa María is warm and mild. The average annual temperature is 19°C and approximately 432mm of precipitation falls per year. March is the wettest month, receiving around 127mm of rainfall. Santa María is in the Southern Hemisphere. The seasons are reversed — summer runs from December to February, while winter falls between June and August. The summer months are: December, January, March. The coldest months are October, November, August, when temperatures can drop to 16°C.

Santa María has relatively stable temperatures year-round, staying within a 7°C range. December is the warmest month, though highs remain moderate at 23°C with a mean of 19°C. October is the coolest month, with minimum temperatures around 16°C and an average of 19°C. Daily temperature variation is modest, with an average difference of 5°C between highs and lows.

Santa María is a relatively dry area, receiving approximately 432mm of precipitation annually, which averages out to around 36mm per month. The wettest month is March, averaging 127mm of rainfall. February and January also tend to see above-average precipitation. The driest month is July, with just 0mm. That's 127mm less than March, the wettest month. Rainfall is heavily concentrated in certain months, creating a distinct wet and dry season. Visitors should plan around these patterns, as the difference between peak and low months is dramatic.

Santa María is relatively calm, with an average annual wind speed of 8km/h. For context, sustained winds below 12km/h are generally light, while anything above 25km/h is considered strong. The windiest month is January, averaging 9km/h, though still comfortable for most outdoor activities. The calmest conditions occur in June, with average winds dropping to 7km/h, making it an ideal period for wind-sensitive activities. Wind conditions are fairly consistent throughout the year, varying by only 2km/h between the calmest and windiest months.

It is currently autumn in Santa María, which began on March 20, 2026. Santa María is in the Southern Hemisphere, where the seasons are reversed — spring starts in September, summer in December, autumn in March, and winter in June. The warmest period peaks in December at around 23°C, while the coldest stretch bottoms out in October near 16°C. Winter is next, beginning on June 21, 2026 — 89 days from now.

The best time to visit Santa María is during January, April, May, June, July, August, September, October, November and December, when the weather is most comfortable for travellers. During these months, average temperatures hover around 19°C with modest rainfall averaging 19mm per month. With minimal rainfall expected, you can pack light and plan outdoor activities with confidence.

The table below shows monthly climate averages for Santa María based on historical weather data. Min and max temperatures represent typical overnight lows and afternoon highs for each month, shown in degrees Celsius (°C). Precipitation is measured in millimetres (mm) and indicates the average total rainfall per month. Wind speed is the average sustained speed in kilometres per hour (km/h). All values are based on averages from over 10 years of historical weather data. The current month is highlighted for quick reference.