Manaus climate
Manaus (Amazonas, Brazil) has a tropical monsoon climate (Köppen Am). The average temperature over the year is 27 °C81 °F, and about 1,959 mm77 in of precipitation falls in an average year.
Temperature by month
Precipitation by month
Manaus climate table
| Month | High °C°F | Low °C°F | Mean °C°F | Precip. mmin |
|---|---|---|---|---|
| Jan | 2984 | 2576 | 2780 | 2248.8 |
| Feb | 2983 | 2476 | 2680 | 2369.3 |
| Mar | 2883 | 2476 | 2679 | 26811 |
| Apr | 2883 | 2476 | 2679 | 26210 |
| May | 2883 | 2476 | 2679 | 2058.1 |
| Jun | 2883 | 2475 | 2679 | 1194.7 |
| Jul | 2984 | 2475 | 2680 | 753.0 |
| Aug | 3188 | 2576 | 2882 | 502.0 |
| Sep | 3391 | 2578 | 2984 | 682.7 |
| Oct | 3391 | 2679 | 2985 | 1034.1 |
| Nov | 3289 | 2678 | 2984 | 1355.3 |
| Dec | 3085 | 2577 | 2781 | 2138.4 |
| Year | 3391 | 2475 | 2781 | 1,95977 |
“Year” row: highest monthly high, lowest monthly low, annual mean and annual total.
| Month | Humid. | Cloud | Solar | Daylight |
|---|---|---|---|---|
| Jan | 87% | 85% | 4.4 | 12:17 |
| Feb | 89% | 86% | 4.4 | 12:13 |
| Mar | 89% | 87% | 4.4 | 12:08 |
| Apr | 89% | 85% | 4.3 | 12:03 |
| May | 89% | 81% | 4.2 | 11:59 |
| Jun | 89% | 69% | 4.6 | 11:57 |
| Jul | 86% | 59% | 5.0 | 11:57 |
| Aug | 79% | 60% | 5.3 | 12:01 |
| Sep | 72% | 72% | 5.3 | 12:06 |
| Oct | 72% | 80% | 5.0 | 12:11 |
| Nov | 77% | 83% | 4.7 | 12:16 |
| Dec | 84% | 83% | 4.3 | 12:18 |
Humid. = average relative humidity at 2 m; cloud = average cloud amount; solar = average daily solar energy reaching the ground in kWh/m² (all-sky); daylight in hours:minutes, calculated for the 15th of each month.
What the climate of Manaus is like
The warmest month is October, with an average high of 33 °C91 °F and a low of 26 °C79 °F. The coldest is June, when highs average 28 °C83 °F and lows 24 °C75 °F. Seasonal differences are small — just 3.2 °C5.7 °F between the warmest and the coolest month.
It is wet, with about 1,959 mm77 in of precipitation per year. The wettest three-month stretch is February–April, which brings 39% of the annual total. The wettest month is March (268 mm11 in), the driest is August (50 mm2.0 in).
Relative humidity ranges from 72% in October to 89% in March. The clearest skies (lowest average cloud amount, 59%) are typical of July. Average wind speed near the ground ranges from 2 km/h (1 mph) in November to 3 km/h (2 mph) in August.
Best time to visit Manaus
Based on these averages, the most comfortable months for sightseeing and outdoor activities are July and August: average highs of 29 °C84 °F to 31 °C88 °F with 50 mm2.0 in to 75 mm3.0 in of precipitation per month.
The most challenging month is March, which is very wet (268 mm11 in) and humid (89% relative humidity).
Comfort score: months are ranked by how close they come to an average high of 21–28 °C (70–82 °F), lows above 5 °C (41 °F), little precipitation and moderate humidity. The best-ranked months of each place are recommended, even where none meets all of these. These are general rules of thumb applied to long-term averages.
Manaus weather by month
- January29 °C84 °F / 25 °C76 °F
- February29 °C83 °F / 24 °C76 °F
- March28 °C83 °F / 24 °C76 °F
- April28 °C83 °F / 24 °C76 °F
- May28 °C83 °F / 24 °C76 °F
- June28 °C83 °F / 24 °C75 °F
- July29 °C84 °F / 24 °C75 °F
- August31 °C88 °F / 25 °C76 °F
- September33 °C91 °F / 25 °C78 °F
- October33 °C91 °F / 26 °C79 °F
- November32 °C89 °F / 26 °C78 °F
- December30 °C85 °F / 25 °C77 °F
What to pack for Manaus
- Wetter months (December–May) — highs 2883 to 30 °C85 °F, lows 2476 to 25 °C77 °F, about 235 mm9.2 in of precipitation a month. Pack light summer clothes such as T-shirts, shorts or light dresses and a good rain jacket or umbrella and quick-drying shoes.
- Drier months (June–November) — highs 2883 to 33 °C91 °F, lows 2475 to 26 °C79 °F, about 92 mm3.6 in of precipitation a month. Pack very light, breathable clothing, a sun hat and plenty of water and an umbrella or light rain jacket.
How Manaus compares
Of the 223 places in Brazil covered by World Climates, Manaus is the 18th warmest by annual mean temperature and the 13th wettest by annual precipitation. See all of them on the Brazil climate page.
Places in other countries with the most similar temperature and rainfall pattern (seasons shifted for the other hemisphere where needed): Metro (Indonesia, Am), Bacolod City (Philippines, Af) and Kabankalan (Philippines, Af).
Nearby places
- Manacapuru 70 km · 27 °C81 °F · 2,006 mm79 in
- Itacoatiara 176 km · 27 °C81 °F · 2,077 mm82 in
- Parintins 369 km · 28 °C82 °F · 2,087 mm82 in
- Itaituba 467 km · 27 °C81 °F · 1,963 mm77 in
- Santarém 595 km · 28 °C82 °F · 1,920 mm76 in
- Boa Vista 662 km · 28 °C83 °F · 1,471 mm58 in
- Porto Velho 762 km · 27 °C80 °F · 1,711 mm67 in
- Altamira 868 km · 26 °C80 °F · 1,896 mm75 in
Frequently asked questions
What is the warmest month in Manaus?
October is the warmest month in Manaus, with an average high of 33 °C (91 °F) and an average low of 26 °C (79 °F).
What is the coldest month in Manaus?
June is the coldest month, with an average high of 28 °C (83 °F) and an average low of 24 °C (75 °F).
When does it rain the most in Manaus?
March is the wettest month with about 268 mm (10.5 in) of precipitation; August is the driest with about 50 mm (2.0 in).
What is the best time to visit Manaus?
Judging by long-term averages, the most comfortable months are July and August.
About this data
All figures are 25-year averages (January 2001 – December 2025) from the NASA POWER project. Temperature, humidity, wind and precipitation come from the MERRA-2 reanalysis (precipitation is the bias-corrected MERRA-2 product), cloud and solar values from CERES satellite data. They describe a grid cell of roughly 50–70 km, not a single weather station, so they can differ from airport records — most of all on coasts, in mountains and for rainfall. Average highs and lows are the monthly mean temperature plus/minus half of the average daily temperature range. Counts of rainy days are not part of this dataset.