Guarujá Weather in August
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.
Rainfall in Guarujá in August
With the least rainfall of the year, this month offers good conditions for outdoor exploration. Take advantage of the dry weather to plan your activities. Typically around 11 days of rainfall are expected, averaging 98 mm (3.9 in) for the month. Individual showers can be quite heavy this month. A proper umbrella or rain jacket is worth having.
Temperature in Guarujá in August
August in Guarujá is generally perfect, with days reaching 23°C (73°F) and nights settling around 18°C (64°F). Conditions stay fairly consistent through the month, making it easier to plan what to wear. Nights cool down to 18°C (64°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. On average, it is the month with the lowest temperatures of the year. However, the temperature is still pleasant and it won't ever get really cold.
Sunshine in Guarujá in August
The city usually sees around 138 hours of sunlight, indicating a moderately sunny period.If you favor pleasant temperatures and minimal rainfall, August is one of the best months to visit Guarujá.
Check the conditions for any month of the year.
For a detailed overview over the year and the best time to visit Brazil, check out our Guarujá's climate page.
Guarujá Temperature in August
Min Temperature
18°C (64°F)
Max Temperature
23°C (73°F)
Chance of Rain
37%
Precipitation
98 mm (3.9 in)
Rainy days
11 days
Humidity
76% *
Sunshine
138 hours *
Percentage Sunshine
*
Daily Historical Temperatures
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).
Average temperatures in August
Daily Historical Precipitation
50-year average (1976-2025)
Average daily rainfall for each day of the month based on long-term records.
Average precipitation in August
Historical weather for Guarujá in August
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.
Guarujá historical weather extremes in August
Based on 49 years of weather observations in Guarujá between 1976 and 2025, these are the recorded extremes.
- The hottest August day on record in Guarujá reached 39°C (102°F) (August 29, 2005).
- The coldest August day was on August 14, 1978, with a maximum of 14°C (57°F).
- The lowest overnight temperature recorded in August was 4°C (39°F) (August 27, 2024).
Best Places in Brazil in August
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 →
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What to Wear in Guarujá in August
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.What To Do in Guarujá in August
We rated the following activities from 1 (least suitable) to 10 (best) to do.
Check the conditions for any month of the year.
For a detailed overview over the year and the best time to visit Brazil, check out our Guarujá's climate page.
Temperature Rainfall Sunshine Humidity
See the full Guarujá climate overview or explore weather in Brazil.
