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São Luis Weather in August
São Luis in August sees high daytime temperatures of 29°C (84°F) and nighttime lows of 17°C (63°F). With just 5.1 mm (0.2 in) of rainfall expected, it's a dry month overall.
Rainfall in São Luis in August
This month experiences about a single day of rain according to historical data, averaging 5.1 mm (0.2 in). If rain does fall, it tends to be a moderate shower rather than anything heavy.
Temperature in São Luis in August
August is a excellent month in São Luis, with 29°C (84°F) during the day and 17°C (63°F) at night. This kind of day-to-night contrast is typical for this time of year. Nights cool down to 17°C (63°F), so a light jacket or extra layer is useful once the sun goes down. On the plus side, the cooler nights make for comfortable sleeping conditions. This is typically the warmest month of the year, so light summer clothing is a good idea.
Sunshine in São Luis in August
The days are predominantly sunny, with an estimated total of around 340 hours of sunshine. These sun-filled days are perfect for playing sports, visiting parks, or going for a bike ride.If you favor pleasant temperatures and minimal rainfall, August is one of the best months to visit São Luis.
São Luis Temperature in August
Min Temperature
17°C (63°F)
Max Temperature
29°C (84°F)
Chance of Rain
4%
Precipitation
5.1 mm (0.2 in)
Rainy days
a single day
Humidity
62% *
Sunshine
340 hours *
Percentage Sunshine
*
* Data from: Praia da Rocha, Portugal (62 KM, 38 Miles).
São Luis Weather by Month
Pick a month to see the average temperature, rainfall and sunshine in São Luis - and find the best time to visit.
Best Places in Portugal in August
Find out more about the weather in Portugal and which places have the best travel conditions in this month. See all of Portugal in August →
perfect weather
pleasant
tolerable
unpleasant
poor
Perfect weather is subjective. On this map perfect weather has been defined with temperatures between 20°C (68°F) and 29°C (84°F) and not too much precipitation (less than 90 mm (3.5 in) a month).
What to Wear in São Luis in August
Warm weather calls for comfortable, breathable clothing in August. Cotton t-shirts, shorts, light dresses, and sandals are perfect. You might still want a light layer for evenings or air-conditioned places (for example buses). Almost no rain is expected, so no need to bring rain gear. And with plenty of sunshine hours, don’t forget sunglasses, sunscreen, and maybe a sun hat.
What To Do in São Luis in August
We rated the following activities from 1 (least suitable) to 10 (best) to do.
-
Swimming10/10 -
Cycling8/10 -
Walking8/10 -
Barbeque10/10 -
Camping10/10 -
Outdoor sports8/10
São Luis 3-Day Forecast
More climate data for São Luis
Temperature Rainfall Sunshine Humidity
See the full São Luis climate overview or explore weather in Portugal.
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Where to go in August - average daytime high across popular destinations.
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