Santa Maria weather and climate in 2025
Day
21 °C
Night
11 °C
Sea
0 °C
Precipitation
119 mm
in month
Rainy days
11 days
in month
Daylight
11 hours
average
Sunshine
5 hours
average
Humidity
77 %
Day
21 °C
Night
11 °C
Sea
0 °C
Precipitation
119 mm
in month
Rainy days
11 days
in month
Daylight
11 hours
average
Sunshine
5 hours
average
Humidity
77 %
Overview: Santa Maria
Weather charts for Santa Maria
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Weather overview for Santa Maria
Weather overview
Santa Maria, located in the heart of Brazil's southern state of Rio Grande do Sul, experiences weather patterns characterized by hot summers and mild winters. Throughout the year, daytime temperatures fluctuate between a pleasant 20 °C (67 °F) in July and a warm 31 °C (87 °F) in January. The precipitation is fairly evenly distributed across the months, ensuring a green and fertile landscape, though the city does not face distinct dry or rainy seasons. With high humidity levels often exceeding 70 % year-round, residents and visitors alike must be prepared for muggy conditions that can sometimes enhance the feeling of heat or chill in the air.
January weather
Kicking off the year, January in Santa Maria boasts warm summer days with temperatures hitting a daytime high of 31 °C (87 °F).
February weather
As February arrives, the high temperatures in Santa Maria stay steady, with daytime highs slightly cooling to 30 °C (86 °F).
March weather
March sees a further dip in temperatures with daytime highs around 29 °C (83 °F), signaling the approaching end of summer.
April weather
Santa Maria in April experiences a noticeable seasonal shift, where temperatures continue to cool, reaching daytime highs of around 25 °C (77 °F).
May weather
In May, Santa Maria sees a further decrease in temperatures, with nighttime lows dropping to an average of 12 °C (53 °F).
June weather
The beginning of winter is felt in June, with lower humidity and daytime temperatures around 20 °C (67 °F).
July weather
July stands as the coolest month, with night temperatures reaching an average low of 10 °C (49 °F).
August weather
Temperatures start to moderately increase in August, with daytime highs reaching 21 °C (70 °F).
September weather
Spring arrives in Santa Maria in September, bringing an average daytime temperature of 22 °C (72 °F).
October weather
With the full swing of spring in October, Santa Maria experiences a further rise in daytime temperatures to an average of 25 °C (77 °F).
November weather
In November, temperatures continue their ascent, with highs of 29 °C (84 °F), indicating the upcoming summer.
December weather
December in Santa Maria is characterized by rising heat, with daytime high temperatures reaching 30 °C (85 °F).
FAQs
What kind of temperatures can I expect during the day in Santa Maria in January?
You'll experience quite a bit of warmth in Santa Maria during the day in January, with the mercury reaching up to 31 °C (87 °F). Pack your shorts and t-shirts!
Is February a lot cooler than January in Santa Maria?
The change in temperature is not drastic, but February is a touch cooler with daytime high temperatures averaging 30 °C (86 °F).
What's the day temperature like in March in Santa Maria?
Days in March are comfortably warm, but not too hot, with an average high temperature of 29 °C (83 °F) -- ideal for outdoor activities.
Are temperatures in April much lower in Santa Maria?
April brings a noticeable cooldown with daytime high temperatures averaging a comfortable 25 °C (77 °F), ideal for enjoying the milder side of Santa Maria's climate.
How warm are days in Santa Maria during May?
May's daytime temperatures remain pleasant, hovering around 22 °C (71 °F), so while it may be cooling off, the days remain agreeable for a range of activities.
What does the winter feel like in June in Santa Maria?
June marks the winter arrival in Santa Maria, with fresher days averaging 20 °C (67 °F) and cooler nights which might call for a light jacket or sweater.
How cold does it get in Santa Maria during July?
July brings the chill of winter with the coldest nighttime lows of the year, averaging 10 °C (49 °F), so be sure to pack warm clothes for the evenings.
Does August in Santa Maria show signs of spring?
You'll feel the first hints of spring in August as the temperatures gently rise to daytime highs of around 21 °C (70 °F).
Are temperatures in September significantly warmer in Santa Maria?
As spring emerges, September sees a gradual warming with the daytimes getting pleasantly warmer, hitting an average of 22 °C (72 °F).
How does the weather change in October in Santa Maria?
October's weather marks a cozy transition with days becoming significantly warmer, often reaching an agreeable 25 °C (77 °F), perfect for indulging in the bloom of spring.
What type of temperatures should be expected during the day in Santa Maria in November?
The approach of summer in November brings warm days with temperatures soaring up to 29 °C (84 °F), hinting at the heat to come.
Is December the start of summer in Santa Maria?
Absolutely! December rings in the summer with high temperatures moving upwards of 30 °C (85 °F), ideal for summer festivities and end-of-year celebrations.
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