Manaus Weather & Climate: Best Time to Visit
Manaus is a large city in northern Brazil and the capital of the state of Amazonas. It is located near the confluence of the Rio Negro and the Rio Solimões (also called the Encontro das Águas), which merge here to form the Amazon River. Because the two rivers have different temperatures and flow speeds, they do not mix immediately and continue to flow side by side for almost six kilometers (3.7 miles).
Manaus has a tropical rainforest climate without a distinct dry season. Rainfall is fairly high year-round, peaking in the summer months (which correspond to winter in Europe). The climate is largely shaped by the surrounding rainforest; high humidity and warm temperatures can make it feel quite humid during the summer. The rainforest also helps moderate the climate, preventing extreme temperature variations.
Monthly Temperature in Manaus
The climate in Manaus remains fairly constant, offering very warm temperatures throughout the year. Average maximum daytime temperatures range from a very warm 34°C (93°F) in September, the warmest time of the year, to a very warm 31°C (88°F) during cooler months like June.
At night, you can expect temperatures ranging from 25°C (77°F) in September to around 24°C (75°F) during June.
Check out our detailed temperature page for more information.
Temperature ranges by month
Rainfall in Manaus
Manaus is known for its substantial rainfall, with annual precipitation reaching 3018 mm (119 in). Significant seasonal changes in precipitation occur throughout the year. In the wettest month, March it receives heavy rainfall, averaging 396 mm (16 in) of precipitation, recorded across 30 rainy days. In contrast, the driest month August brings less rainfall, with 110 mm (4.3 in) over 11 rainy days. For more details, please visit our Manaus Precipitation page.
The mean monthly precipitation over the year, including rain, hail, and snow
The average number of days each month with precipitation
Sunshine Hours in Manaus
Seasonal changes in sunshine hours are quite dramatic in Manaus. While August receives considerable daily sunshine with up to 7.2 hours, February marks the darkest time of the year, where sunshine is scarce with only 3.1 hours of sunlight per day.
Visit our detailed sunshine hours page for more information.
Monthly hours of sunshine
Daily hours of sunshine
Humidity in Manaus by Month
The city experiences its highest humidity in March, reaching 88%. In August, the humidity drops to its lowest level at 77%. What does this mean? Read our detailed page on humidity levels for further details.
Relative humidity over the year
Wind Speed in Manaus
The mean wind speed varies between 1 m/s (2 knots) and 1 m/s (2 knots) throughout the year. It is lowest in January, February, March, April, May, June, July, August, September, October, November and December and highest during January, February, March, April, May, June, July, August, September, October, November and December. What does this mean?
The mean monthly wind speed over the year (meters per second)
Manaus 3-Day Forecast
Check the conditions for any month of the year.
Best Time to Visit Manaus
In general, temperatures in Manaus range from 31°C (88°F) to 34°C (93°F) across the year, with July, August and September being the best time to visit for those who prefer drier weather.Make your experience more enjoyable by planning to be outside during the cooler parts of the day, either early morning or as the sun begins to set. Need help choosing your next travel destination? We offer a specialized tool that matches you with locations based on your weather preferences. Explore destinations that suit your climate preferences.
