Santo Amaro Weather & Climate: Best Time to Visit
Average temperatures, rainfall, sunshine and the best time to visit Santo Amaro.
Climate overview of Santo Amaro
Santo Amaro, Maranhão, Brazil, enjoys a steady climate throughout the year, with daytime temperatures typically around 31°C (88°F). August is the warmest month at 32°C (90°F), while March is the coolest at 30°C (86°F).
Rainfall is high, totalling around 1782 mm (70 in) per year. April is the wettest month and September the driest. The city also experiences distinct dry (August to November) and wet (January to May) seasons.
Santo Amaro Weather by Month
Pick a month to see the average temperature, rainfall and sunshine in Santo Amaro - and find the best time to visit.
Monthly Temperature in Santo Amaro
The temperature in Santo Amaro remains steady throughout the year, providing a consistently very warm climate. Average maximum daytime temperatures range from a very warm 32°C (90°F) in August, the warmest time of the year, to a very warm 30°C (86°F) during cooler months like March.
At night, you can expect temperatures ranging from 26°C (79°F) in August to around 24°C (75°F) during March.
Check out our detailed temperature page for more information.
Temperature ranges by month
Rainfall in Santo Amaro
Santo Amaro has a relatively rainy climate with high precipitation levels, averaging 1782 mm (70 in) of rainfall annually. Significant seasonal changes in precipitation occur throughout the year. In the wettest month, April it receives heavy rainfall, averaging 401 mm (16 in) of precipitation, recorded across 30 rainy days. In contrast, the driest month September brings less rainfall, with 10 mm (0.4 in) over 7 rainy days. For more details, please visit our Santo Amaro Precipitation page.
The mean monthly precipitation over the year, including rain, hail, and snow
The average number of days each month with precipitation
Best Time to Visit Santo Amaro
Monthly ratings reflect general weather comfort, based on daytime temperature and rainfall. Swimming and winter conditions are highlighted separately where relevant.
- Best overall: August, September, October and November
- Warmest weather: all year round
- Fewest rainy days: October and November
- Wettest months: January, February, March, April and May, when rainfall is highest.
- Seasonal pattern: Distinct dry (August to November) and wet (January to May) seasons
Frequently asked questions about the climate in Santo Amaro
What is the best time to visit Santo Amaro?
August, September, October and November typically offer the most optimal weather in Santo Amaro. In contrast, January, February, March, April and May tend to have less optimal conditions. Santo Amaro has distinct dry (August to November) and wet (January to May) seasons.
What temperatures can I expect in Santo Amaro?
Daytime highs range from 30°C (86°F) in March to 32°C (90°F) in August. Nighttime lows range from 24°C (75°F) to 26°C (79°F). Temperatures stay relatively stable year-round.
How much rain does Santo Amaro get?
Annual rainfall is around 1782 mm (70 in). April is the wettest month with 401 mm (16 in), while September is the driest with 10 mm (0.4 in).
Santo Amaro 3-Day Forecast
Santo Amaro 3-Day Forecast
Santo Amaro on the map
Santo Amaro is highlighted - select any city to see its climate.
Popular this month
Where to go in July - average daytime high across popular destinations.
Fortaleza
31°C (88°F) Salvador
26°C (79°F) Rio de Janeiro
26°C (79°F) Búzios
25°C (77°F) Sao Paulo23°C (73°F) Paraty23°C (73°F) Florianópolis21°C (70°F) Gramado
19°C (66°F) 
Bucket list
Need travel inspiration? Check out our bucket list articles and be inspired.
The 10 most alternative cities in South America
Discover South America's top 10 alternative cities! From Valparaíso's vibrant streets to La Paz's high-altitude charm and Medellín's innovative spirit.
The 5 most tranquil retreats in the Amazon Rainforest, Brazil
Discover top sustainable lodges in the Amazon. Enjoy unique wildlife, eco-friendly stays, and immersive experiences at Anavilhanas, Cristalino, and more.
An alternative way to discover Rio de Janeiro
Don't feel like seeing the traditional tourist sights in Rio de Janeiro? We have made an overview of the sights in Rio de Janeiro that you must see if you want to visit Rio in an alternative way.
Iguazu Falls
Iguazu Falls are among the largest waterfalls on earth. You will be speechless when you see this miracle of mother nature. They are included in the World Heritage List and have also been named one of the seven wonders of the world.