São Luís Weather in August

During August, São Luís experiences very high daytime temperatures of 31°C (88°F) and cooler nights around 26°C (79°F). Some rainfall is typical during this period.

Rainfall in São Luís in August

Typically, about 9 days will experience rainfall, with an average of 34 mm (1.3 in) for the month. The rainfall pattern this month is fairly balanced. Showers tend to be moderate rather than extreme.

Temperature in São Luís in August

In August, expect very high temperatures in São Luís, with highs of 31°C (88°F) and lows of 26°C (79°F) at night. For most visitors, the main thing to prepare for is the heat during the day. Nights are warm at 26°C (79°F). It's worth making sure your accommodation has decent ventilation or air conditioning.

Sunshine in São Luís in August

The city usually sees around 260 hours of sunlight, indicating many sunny days — a great month for sightseeing.

For São Luís itself, September and October generally stand out with the best circumstances. If you're seeking pleasant, dry and sunny weather somewhere else in the world, our weather planner can help you explore other options.

Select a Month

Check the conditions for any month of the year.

• January
• February
• March
• April

• May
• June
• July
• August

• September
• October
• November
• December

For a detailed overview over the year and the best time to visit Brazil, check out our São Luís's climate page.

São Luís Temperature in August

Min Temperature 26°C (79°F)  

Max Temperature 31°C (88°F)  

Chance of Rain 28%  

Precipitation 34 mm (1.3 in)  

Rainy days 9 days  

Humidity 84% *  

Sunshine 260 hours *  

Percentage Sunshine *  

What to Wear in São Luís in August

Warm but pleasant conditions in São Luís in August. Focus on lightweight, maybe with natural fabrics, cotton blend shirts, comfortable shorts, and breathable footwear. A light cover-up for sun protection is smart too. Light rain is possible, so consider bringing a small umbrella or rain jacket. You'll definitely want to pack sunglasses and sunscreen. There will be plenty of bright sunshine this month.

What To Do in São Luís in August

We rated the following activities from 1 (least suitable) to 10 (best) to do.

Swimming

10/10

Cycling

8/10

Walking

8/10

Barbeque

10/10

Camping

9/10

Outdoor sports

8/10

Select a Month

Check the conditions for any month of the year.

• January
• February
• March
• April

• May
• June
• July
• August

• September
• October
• November
• December

For a detailed overview over the year and the best time to visit Brazil, check out our São Luís's climate page.

More climate data for São Luís

Temperature Rainfall Sunshine Humidity

See the full São Luís climate overview or explore weather in Brazil.