Boa Vista Weather in August
Thinking of visiting Boa Vista in August? Expect very high temperatures reaching 32°C (90°F) during the day, dropping to 23°C (73°F) at night. Heavy showers are common during the rainy season.
Rainfall in Boa Vista in August
As part of the rainy season, Boa Vista sees around 21 days of rain in August, with an average of 172 mm (6.8 in). The rainy season here brings regular, substantial showers. It's worth being prepared for rain on most days you're out.
Temperature in Boa Vista in August
In August, Boa Vista sees very high temperatures, with highs of 32°C (90°F). Nights drop to around 23°C (73°F). Indoor breaks or shaded spots can make the warmer part of the day much more comfortable. With overnight lows of 23°C (73°F), evenings and nights remain warm. Light clothing and an open window or fan can help you sleep comfortably.
Sunshine in Boa Vista in August
The area enjoys a balanced 156 hours of sunlight, ensuring it's neither too rainy nor too sunny.If you favor pleasant temperatures and minimal rainfall, August is one of the best months to visit Boa Vista.
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 Boa Vista's climate page.
Boa Vista Temperature in August
Min Temperature
23°C (73°F)
Max Temperature
32°C (90°F)
Chance of Rain
70%
Precipitation
172 mm (6.8 in)
Rainy days
21 days
Humidity
81%
Sunshine
156 hours
Percentage Sunshine
Daily Historical Temperatures
50-year average (1976-2025)
Based on our historical records, temperatures in Boa Vista typically stay consistent throughout August, with daily highs averaging around 32°C (90°F). Nights are warm, with lows around 24°C (75°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 Boa Vista in August
Browse day-by-day weather records for Boa Vista spanning 51 years. Select any month and year to see actual temperatures, rainfall, and conditions recorded on each day.
Boa Vista historical weather extremes in August
The extremes listed below come from historical weather data collected in Boa Vista from 2013 through 2025.
- The warmest day in August was on August 18, 2017, with a maximum of 36°C (97°F).
- The lowest daytime temperature in August was 25°C (77°F), recorded on August 1, 2021.
- The lowest overnight temperature recorded in August was 21°C (70°F) (August 8, 2025).
- The heaviest August precipitation occurred on August 23, 2022, when 76 mm (3 in) of precipitation fell.
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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tolerable
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What to Wear in Boa Vista in August
Warm temperatures in August make for comfortable sightseeing weather. Pack breathable fabrics like cotton shirts, knee-length shorts or skirts, and comfortable walking shoes. A thin long sleeve for indoor spaces is handy. Heavy rain is guaranteed, please bring a good poncho and waterproof everything! Sunglasses could come in handy during the sunnier parts of your trip.What To Do in Boa Vista 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 Boa Vista's climate page.
Temperature Rainfall Sunshine Humidity
See the full Boa Vista climate overview or explore weather in Brazil.
