Live Weather & Forecast
Weather in Santa Maria
Rio Grande do Sul, Brazil · Real-time conditions & 3-day outlook
17°C
Feels like 17°C
62°F / Feels 62°F
Partly Cloudy
Santa Maria, Rio Grande do Sul
🌙 Nighttime
Updated: 2026-04-21 05:15
Humidity
91%
Wind
6.1 km/h E
Wind Gust
12.9 km/h
Pressure
1014 mb
Visibility
10 km
UV Index
0
(Low)
Precipitation
0 mm
Cloud Cover
59%
Dew Point
15.1°C
Wind Degree
80°
Air Quality Index
US EPA: Good
UK DEFRA: Low (1)
CO
207.9 μg/m³
NO₂
11.8 μg/m³
O₃
24 μg/m³
SO₂
2 μg/m³
PM 2.5
10.4 μg/m³
PM 10
10.7 μg/m³
Today's Hourly Forecast
24-hour breakdown for Santa Maria, Rio Grande do Sul
12 AM
17°
Patchy light drizzle
1 AM
17°
Patchy rain nearby
2 AM
17°
Mist
3 AM
17°
Cloudy
4 AM
17°
Partly Cloudy
5 AM
17°
Partly Cloudy
6 AM
17°
Patchy rain nearby
7 AM
17°
Patchy rain nearby
8 AM
17°
Patchy rain nearby
9 AM
18°
Patchy rain nearby
10 AM
20°
Patchy rain nearby
11 AM
19°
Patchy rain nearby
12 PM
19°
Patchy rain nearby
1 PM
20°
Partly Cloudy
2 PM
22°
Partly Cloudy
3 PM
23°
Patchy rain nearby
4 PM
24°
Light rain shower
5 PM
22°
Patchy rain nearby
6 PM
20°
Patchy rain nearby
7 PM
19°
Partly Cloudy
8 PM
19°
Cloudy
9 PM
19°
Overcast
10 PM
19°
Partly Cloudy
11 PM
19°
Partly Cloudy
3-Day Forecast
Daily overview for Santa Maria, Rio Grande do Sul
Today
Patchy rain nearby
24°
/
17°
🌧️ 86% chance of rain
💧 Avg. humidity: 89%
💨 Max wind: 7.2 km/h
🌧️ Total precip: 1.14 mm
☀️ UV Index: 1.8
🌅 Sunrise: 06:58 AM
🌇 Sunset: 06:10 PM
🌙 Waxing Crescent
🌑 Moon: 17% lit
Wed, Apr 22
Patchy rain nearby
26°
/
17°
🌧️ 89% chance of rain
💧 Avg. humidity: 85%
💨 Max wind: 12.2 km/h
🌧️ Total precip: 1.25 mm
☀️ UV Index: 5.7
🌅 Sunrise: 06:58 AM
🌇 Sunset: 06:09 PM
🌙 Waxing Crescent
🌑 Moon: 27% lit
Thu, Apr 23
Heavy rain
20°
/
18°
🌧️ 79% chance of rain
💧 Avg. humidity: 98%
💨 Max wind: 11.5 km/h
🌧️ Total precip: 30.02 mm
☀️ UV Index: 1.6
🌅 Sunrise: 06:59 AM
🌇 Sunset: 06:08 PM
🌙 Waxing Crescent
🌑 Moon: 38% lit
Best Time to Visit Santa Maria
Plan your trip to Santa Maria, Brazil around the most favorable weather conditions.
Peak Season
December – March
Southern hemisphere summer — warm and generally dry.
Shoulder Season
April – May, November
Fewer crowds, moderate prices, mild weather.
Off Season
June – September
Cooler winter months; indoor activities preferred.
Frequently Asked Questions
What is the current weather in Santa Maria?
Current conditions in Santa Maria: Partly Cloudy, temperature 17°C, humidity 91%.
What is the best time to visit Santa Maria?
The best time to visit Santa Maria is typically December – March. Southern hemisphere summer — warm and generally dry.
What is the climate like in Santa Maria?
Santa Maria is located at approximately -29.7° latitude. It experiences a temperate southern hemisphere climate.
Does it rain a lot in Santa Maria?
The wettest period in Santa Maria is typically during June – September. Cooler winter months; indoor activities preferred.
What should I pack for a trip to Santa Maria?
For visits to Santa Maria during December – March: light clothing and sun protection. For June – September: layers and a waterproof jacket are recommended.
What country is Santa Maria in?
Santa Maria is located in Brazil, in the state of Rio Grande do Sul.
What are the public holidays in Santa Maria in 2026?
View the 2026 public holidays for Santa Maria on our Holidays page.
What are the GPS coordinates used for the weather forecast in Santa Maria?
The weather forecast for Santa Maria uses coordinates -29.6861, -53.8069.
What is the current temperature outside in Santa Maria?
The current outdoor temperature in Santa Maria is 17°C (63°F) with partly cloudy.
What is the hourly weather forecast for Santa Maria today?
Today's hour-by-hour weather breakdown for Santa Maria is shown in the Hourly Forecast section above, including temperature, rain chance, and conditions for each hour of the day.
What is the weather in Santa Maria tomorrow hour by hour?
Tomorrow's forecast for Santa Maria shows a high of 26°C and a low of 17°C. See the 3-Day Forecast section above for a full hourly breakdown.
What is the chance of rain today in Santa Maria?
There is a 86% chance of rain in Santa Maria today. Check the hourly forecast above for a time-by-time breakdown of when rain is most likely.
Is it going to rain today in Santa Maria?
Yes, there is a 86% chance of rain in Santa Maria today — consider carrying an umbrella. Check the hourly forecast above for the most likely rain windows.