Sao Luiz Weather & Climate: Best Time to Visit
Average temperatures, rainfall, sunshine and the best time to visit Sao Luiz.
Climate overview of Sao Luiz
With consistently stable weather, Sao Luiz, Brazil, sees little seasonal temperature change. Daytime highs average 30°C (86°F), ranging from 31°C (88°F) in August to 29°C (84°F) in March.
Rainfall is high, totalling around 2186 mm (86 in) per year. March is the wettest month and September the driest. The city also experiences distinct dry (August to November) and wet (January to May) seasons. The most sunshine falls in August, with an average of 8.7 hours of daily sunshine.
Sao Luiz Weather by Month
Pick a month to see the average temperature, rainfall and sunshine in Sao Luiz — and find the best time to visit.
Monthly Temperature in Sao Luiz
The climate in Sao Luiz remains fairly constant, offering very warm temperatures throughout the year. Average maximum daytime temperatures range from a very warm 31°C (88°F) in August, the warmest time of the year, to a comfortable 29°C (84°F) during cooler months like March.
At night, you can expect temperatures ranging from 26°C (79°F) in August to around 25°C (77°F) during March.
Check out our detailed temperature page for more information.
Temperature ranges by month
Rainfall in Sao Luiz
Sao Luiz is known for its substantial rainfall, with annual precipitation reaching 2186 mm (86 in). Significant seasonal changes in precipitation occur throughout the year. In the wettest month, March it receives heavy rainfall, averaging 437 mm (17 in) of precipitation, recorded across 31 rainy days. In contrast, the driest month September brings less rainfall, with 18 mm (0.7 in) over 6 rainy days. For more details, please visit our Sao Luiz Precipitation page.
The mean monthly precipitation over the year, including rain, hail, and snow
The average number of days each month with precipitation
Sunshine Hours in Sao Luiz
Seasonal changes in sunshine hours are quite dramatic in Sao Luiz. While August receives considerable daily sunshine with up to 8.7 hours, March marks the darkest time of the year, where sunshine is scarce with only 3.6 hours of sunlight per day.
Visit our detailed sunshine hours page for more information.
Monthly hours of sunshine
Daily hours of sunshine
Humidity in Sao Luiz by Month
The city experiences its highest humidity in April, reaching 90%. In November, the humidity drops to its lowest level at 79%. What does this mean? Read our detailed page on humidity levels for further details.
Relative humidity over the year
Best Time to Visit Sao Luiz
Make your experience more enjoyable by planning to be outside during the cooler parts of the day, either early morning or as the sun begins to set. Visitors should note that January, February, March, April, May and June are part of the rainy season, bringing substantial rainfall. Need help choosing your next travel destination? We offer a specialized tool that matches you with locations based on your weather preferences. Explore destinations that suit your climate preferences.
Frequently asked questions about the climate in Sao Luiz
What is the best time to visit Sao Luiz?
September and October typically offer the most optimal weather in Sao Luiz. In contrast, January, February, March, April and May tend to have less optimal conditions. Sao Luiz has distinct dry (August to November) and wet (January to May) seasons.
What temperatures can I expect in Sao Luiz?
Daytime highs range from 29°C (84°F) in March to 31°C (88°F) in August. Nighttime lows range from 25°C (77°F) to 26°C (79°F). Temperatures stay relatively stable year-round.
How much rain does Sao Luiz get?
Annual rainfall is around 2186 mm (86 in). March is the wettest month with 437 mm (17 in), while September is the driest with 18 mm (0.7 in).
How sunny is Sao Luiz?
Sao Luiz receives around 2,355 hours of sunshine per year. August is the sunniest month with 260 hours, while March is the cloudiest with just 107 hours. Overall, Sao Luiz enjoys abundant sunshine.
Sao Luiz 3-Day Forecast
Sao Luiz 3-Day Forecast
Sao Luiz on the map
Sao Luiz 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.