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Thinking of visiting Guarujá in August? Expect high temperatures reaching 23°C (73°F) during the day, dropping to 18°C (64°F) at night, with the driest conditions of the year.
If you favor pleasant temperatures and minimal rainfall, August is one of the best months to visit Guarujá.
Pick a month to see the average temperature, rainfall and sunshine in Guarujá - and find the best time to visit.
50-year average (1976-2025)
Based on our historical records, temperatures in Guarujá typically stay consistent throughout August, with daily highs averaging around 23°C (73°F). Nights are cool, with lows around 13°C (55°F).
50-year average (1976-2025)
Average daily rainfall for each day of the month based on long-term records.
Browse day-by-day weather records for Guarujá spanning 51 years. Select any month and year to see actual temperatures, rainfall, and conditions recorded on each day.
Based on 50 years of weather observations in Guarujá between 1976 and 2026, these are the recorded extremes.
Find out more about the weather in Brazil and which places have the best travel conditions in this month. See all of Brazil in August →
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).
For Guarujá in August, you'll want flexible clothing. It's wise to pack cotton shirts, comfortable shorts, and a pair of jeans for cooler evenings. A light sweater or jacket is useful for air-conditioned spaces (like buses) or unexpected cool moments. High rain levels are expected, so pack waterproof gear and an umbrella or poncho. Sunglasses could come in handy during the sunnier parts of your trip.
We rated the following activities from 1 (least suitable) to 10 (best) to do.
Temperature Rainfall Sunshine Humidity
See the full Guarujá climate overview or explore weather in Brazil.
Where to go in August - average daytime high across popular destinations.
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