The best times to visit Manaus for ideal weather are
August 27th to September 30th
based on average temperature and humidity from NOAA (the National Oceanic and Atmospheric Administration). Read below for more weather and travel details.
Manaus Travel Guide
Other Manaus Travel Info
Weather in Manaus
Average temperatures in Manaus vary very little. Considering humidity, temperatures feel hot all year with a chance of rain throughout most of the year. The area is far less temperate than some — in the 7th percentile for pleasant weather — compared to tourist destinations worldwide. Weeks with ideal weather are listed above. If you’re looking for the very warmest time to visit Manaus, the hottest months are September, October, and then August. See average monthly temperatures below. The warmest time of year is generally mid to late September where highs are regularly around 93.4°F (34.1°C) with temperatures rarely dropping below 77.7°F (25.4°C) at night.
Manaus Temperatures (Fahrenheit)
Manaus Temperatures (Celsius)
The way we experience weather isn’t all about temperature. Higher temperatures affect us much more at higher humidity, and colder temperatures feel piercing with high winds. Our perceived temperatures factor in humidity and wind chill to better represent how hot or cold the day feels to a person.
Manaus Perceived Temperature (F)
Manaus Perceived Temperature (C)
Average Manaus Temperatures by Month
Daily highs (averaged for the month) usually give the best indication of the weather. A significantly lower mean and low generally just means it gets colder at night.
|Month||Avg. High (°F)||Avg. Mean (°F)||Avg. Low (°F)|
|Month||Avg. High (°C)||Avg. Mean (°C)||Avg. Low (°C)|
Precipitation (Rain or Snow)
If dry weather is what you’re after, the months with the lowest chance of significant precipitation in Manaus are August, September, and then October. Note that we define “significant precipitation” as .1 inches or more in this section. The lowest chance of rain or snow occurs around mid August. For example, on the week of August 13th there are no days of precipitation on average. By contrast, it’s most likely to rain or snow in early to mid January with an average of 3 days of significant precipitation the week of January 8th.
When can you find snow in Manaus? Weather stations report no annual snow. Please note that a value of 0 for snow in the graph below may either mean there was no snow, or that snow is unreported.
Chance of Precipitation
The graph below shows the % chance of rainy and snowy days in Manaus.
Snow on the Ground
The graph below shows the average snow on the ground in Manaus (in).
Average Rain and Snow by Month
|Month||Daily Chance of Rain||Average Snow Depth (in)||Total Precipitation (in)|
|Month||Daily Chance of Rain||Average Snow Depth (cm)||Total Precipitation (cm)|
Humidity and Wind
Manaus has some very humid months, and above average humidity throughout the year. The least humid month is September (63.4% relative humidity), and the most humid month is March (80.8%).
Wind in Manaus is usually extremely calm. The windiest month is October, followed by September and November. October’s average wind speed of around 3.9 knots (4.5 MPH or 7.2 KPH) is considered “light air.” Maximum sustained winds (the highest speed for the day lasting more than a few moments) are at their highest in early November where average top sustained speeds reach 9.6 knots, which is considered a gentle breeze.
Relative Humidity (%)
The graph below shows the average % humidity by month in Manaus.
The graph below shows wind speed (max and average) in knots.
Average Wind Speeds
Show Wind Speeds
All wind speeds are in knots. 1 knot = 1.15 MPH or 1.85 KPH.
|Month||Avg. Wind||Avg. Wind Feel||Sustained High Wind||High Wind Feel|
|Jan||3.5||Barely noticeable||8.8||Gentle breeze|
|Feb||3.6||Barely noticeable||8.9||Gentle breeze|
|Mar||3.4||Barely noticeable||8.8||Gentle breeze|
|Apr||3.1||Barely noticeable||8||Gentle breeze|
|May||3||Barely noticeable||7.5||Gentle breeze|
|Jun||3.1||Barely noticeable||7.1||Gentle breeze|
|Jul||3.2||Barely noticeable||6.9||Gentle breeze|
|Aug||3.5||Barely noticeable||7.2||Gentle breeze|
|Sep||3.8||Barely noticeable||8.2||Gentle breeze|
|Oct||3.9||Barely noticeable||8.9||Gentle breeze|
|Nov||3.8||Barely noticeable||9||Gentle breeze|
|Dec||3.7||Barely noticeable||8.7||Gentle breeze|
Show Relative Humidity by Month
|Month||Avg. Relative Humidity|
Is it Safe to Travel to Manaus?
Our best data indicates this area is somewhat safe. As of Oct 07, 2019 there are travel warnings for Brazil; exercise a high degree of caution. Check this page for any recent changes or regions to avoid: Travel Advice and Advisories. This advisory was last updated on Oct 01, 2019.
The Busiest and Least Crowded Months
The busiest month for tourism in Manaus, Brazil is June, followed by August and November. Prices for hotels and flights will be most expensive during these months, though you can save if you purchase well in advance. Tourists are unlikely to visit Manaus in March. Those willing to visit at these times will likely find it the least expensive month.
Estimated Tourism by Month
Most Popular Months to Visit
Overall Manaus Travel Experience by Season
Fall (March through May)
Humidity and temperatures combine to make this season feel warm. Highs range from 87.9°F (31.1°C) and 86.4°F (30.2°C) with similar temperatures in the later months. Rain is very common with 10 to 13 days of significant precipitation per month. Fall is the slowest for tourism, which makes it a good time for those looking for deals.
Winter (June through August)
The middle-year months have very comfortable weather with high temperatures that are quite warm. These months see the least precipitation with 3 to 7 days of precipitation per month. June – August is the busiest season for tourism in Manaus, so lodging and other accommodations may cost more than usual.
Spring (September through November)
Spring daily highs range from 93.4°F (34.1°C) and 90°F (32.2°C), which will feel very nice given the humidity and wind. It rains or snows a significant amount: 3 to 7 days per month. Tourism is the second busiest during these months due to the weather, so hotels may be slightly higher priced.
Summer (December through February)
Weather is perfect this time of year in Manaus to be enjoyable for warm weather travelers. The average high during this season is between 90.3°F (32.4°C) and 86.4°F (30.2°C). On average, it rains or snows a great amount: 9 to 14 times per month. These times of year are fairly slow with tourists.