Climate Overview
The climate in Santa Maria is temperate. The average annual temperature is 16°C and approximately 350mm of precipitation falls per year. January is the wettest month, receiving around 117mm of rainfall. Santa Maria is in the Northern Hemisphere. Summer begins at the end of June and lasts through September. The summer months are: June, July, August. The coldest months are December, January, February, when temperatures can drop to 6°C.
Temperature
Temperatures in Santa Maria vary considerably across the year, with a 21°C difference between the coldest and warmest months. The warmest month is June, when average highs reach 27°C and the mean temperature sits around 21°C. December is the coolest month, with minimum temperatures around 6°C and an average of 10°C. On average, daily temperatures fluctuate by about 11°C between overnight lows and afternoon highs. The sharpest temperature change occurs between May and June, with a 5°C shift in average temperatures.
Precipitation
Santa Maria is a quite dry location, receiving approximately 350mm of precipitation annually, which averages out to around 29mm per month. The wettest month is January, averaging 117mm of rainfall. March and December also tend to see above-average precipitation. The driest month is July, with just 0mm. That's 117mm less than January, 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.
Wind
Santa Maria is relatively calm, with an average annual wind speed of 2km/h. For context, sustained winds below 12km/h are generally light, while anything above 25km/h is considered strong. The windiest month is March, averaging 3km/h, though still comfortable for most outdoor activities. The calmest conditions occur in August, with average winds dropping to 2km/h, making it an ideal period for wind-sensitive activities. There is moderate seasonal variation in wind speed, with a 1km/h gap between the calmest and windiest months.
Seasons
52 days until Autumn
It is currently summer in Santa Maria, which began on June 21, 2026. Santa Maria is in the Northern Hemisphere, where spring begins in March, summer in June, autumn in September, and winter in December. The warmest period peaks in June at around 27°C, while the coldest stretch bottoms out in December near 6°C. Autumn is next, beginning on September 23, 2026 — 52 days from now.
Spring
Temperatures range from 8 to 21°C. Rainfall is relatively light, with around 104mm over the season and a monthly average of 35mm. Winds are generally light, averaging 2km/h. Light layers work well as temperatures warm through the season — a great time to be outdoors.
Summer
Temperatures range from 15 to 27°C. Precipitation is minimal, with only around 0mm for the entire season. Winds are generally light, averaging 2km/h. Light, breathable clothing is ideal — perfect conditions for outdoor activities.
Autumn
Temperatures range from 9 to 26°C. Rainfall is relatively light, with around 57mm over the season and a monthly average of 19mm. Winds are generally light, averaging 2km/h. Layered clothing works best as temperatures gradually cool — enjoy the crisp air and changing scenery.
Winter
Temperatures range from 6 to 21°C. Precipitation is moderate at around 188mm for the season, averaging 63mm per month. Winds are generally light, averaging 2km/h. A light jacket or sweater is usually sufficient, though cooler evenings may call for an extra layer.
Best Time to Visit
The best time to visit Santa Maria is during April, May, June, July, August, September and October, when the weather is most comfortable for travellers. During these months, average temperatures hover around 18°C with modest rainfall averaging 9mm per month. By contrast, December can be quite cold with temperatures dropping to 6°C. With minimal rainfall expected, you can pack light and plan outdoor activities with confidence.
Monthly Climate Data
The table below shows monthly climate averages for Santa Maria 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.
