Manaus Weather in August
August in Manaus averages 33°C (91°F) during the day and 24°C (75°F) at night. With just 110 mm (4.3 in) of rainfall on average, it doesn't get much drier than this.
Rainfall in Manaus in August
Dry conditions dominate this month. A great time for outdoor fun and exploration. This month experiences about 11 days of rain according to historical data, averaging 110 mm (4.3 in). Rainfall intensity is on the higher side this month. Expect more substantial showers rather than light, passing rain.
Temperature in Manaus in August
In August, Manaus gets very high temperatures, with highs of 33°C (91°F). Nights cool to around 24°C (75°F). If you're spending a lot of time outdoors, it helps to plan around the warmer part of the day. With overnight lows of 24°C (75°F), evenings and nights remain warm. Light clothing and an open window or fan can help you sleep comfortably.
Sunshine in Manaus in August
Expect sunny days throughout the month, with an estimated 217 hours of sunshine. This makes it a pleasant time to visit Manaus.
Wind Speed in Manaus in August
August has wind speeds averaging 1 m/s (2 knots). You can expect very gentle conditions with light air movement on typical days. Since this is an average, daily weather varies from perfectly still moments to some breezier days.August in Manaus can still be great, but if you prefer pleasant temperatures along with dry and sunny conditions, our weather planner can help you explore other options in the world.
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 Manaus's climate page.
Manaus Temperature in August
Min Temperature
24°C (75°F)
Max Temperature
33°C (91°F)
Chance of Rain
35%
Precipitation
110 mm (4.3 in)
Rainy days
11 days
Humidity
77%
Windspeed
1 m/s (2 knots)
Sunshine
217 hours
Percentage Sunshine
Daily Historical Temperatures
50-year average (1976-2025)
Based on our historical records, temperatures in Manaus typically stay consistent throughout August, with daily highs averaging around 33°C (91°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 Manaus in August
Browse day-by-day weather records for Manaus spanning 51 years. Select any month and year to see actual temperatures, rainfall, and conditions recorded on each day.
Manaus historical weather extremes in August
According to our 49 years of weather records for Manaus, the following extremes were recorded between 1976 and 2025.
- Manaus recorded its highest August temperature of 37°C (99°F) on August 31, 2005.
- The lowest daytime temperature in August was 24°C (75°F), recorded on August 13, 1978.
- Manaus registered its coldest August night on August 13, 2005, with temperatures dropping to 17°C (63°F).
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 Manaus in August
Hot weather in August means keeping cool is the priority. Loose-fitting clothes in natural fabrics work best. Pack plenty of shorts, tank tops, and breathable shirts. Don't forget a hat, swimwear, and comfortable sandals. Prepare for significant rainfall with proper waterproof clothing and shoes. Don't forget sun protection, sunglasses, sunscreen, and a hat. These are all good ideas with this much sunshine.What To Do in Manaus 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 Manaus's climate page.
Temperature Rainfall Sunshine Humidity Wind Speed
See the full Manaus climate overview or explore weather in Brazil.
