Monthly weather forecast and climate
Manaus, Brazil

Cloudy skies above the Amazon Theatre building in Manaus, Brazil
Cloudy skies above the Amazon Theatre building in Manaus, Brazil

Weather in January

January, like December, is a hot summer month in Manaus, Brazil, with average temperature fluctuating between 30.5°C (86.9°F) and 23.1°C (73.6°F). In January, the average high-temperature is essentially the same as in December - a still hot 30.5°C (86.9°F). Weather in January »

Weather in February

The last month of the summer, February, is also a hot month in Manaus, Brazil, with average temperature varying between 23.1°C (73.6°F) and 30.4°C (86.7°F). February is the coldest month, with an average high-temperature of 30.4°C (86.7°F) and an average low-temperature of 23.1°C (73.6°F). In February, the average heat index is estimated at a scorching 41.2°C (106.2°F). Weather in February »

Weather in March

March, the first month of the autumn, in Manaus, is still a hot month, with temperature in the range of an average high of 30.6°C (87.1°F) and an average low of 23.2°C (73.8°F). In March, the average high-temperature is relatively the same as in February - a still hot 30.6°C (87.1°F). Weather in March »

Weather in April

April, like March, is another hot autumn month in Manaus, Brazil, with temperature in the range of an average low of 23.3°C (73.9°F) and an average high of 30.7°C (87.3°F). In Manaus, the average high-temperature in April is essentially the same as in March - a still tropical 30.7°C (87.3°F). Weather in April »

Weather in May

The last month of the autumn, May, is also a hot month in Manaus, Brazil, with temperature in the range of an average high of 30.6°C (87.1°F) and an average low of 23.3°C (73.9°F). In Manaus, the average high-temperature is almost the same as in April - a still tropical 30.6°C (87.1°F). Weather in May »

Weather in June

June, the first month of the winter, in Manaus, is still a hot month, with average temperature ranging between max 31°C (87.8°F) and min 23°C (73.4°F). In Manaus, the average high-temperature in June is essentially the same as in May - a still hot 31°C (87.8°F). Weather in June »

Weather in July

July, the same as June, in Manaus, Brazil, is a hot winter month, with average temperature varying between 31.3°C (88.3°F) and 22.7°C (72.9°F). In Manaus, the average high-temperature is essentially the same as in June - a still tropical 31.3°C (88.3°F). Weather in July »

Weather in August

The last month of the winter, August, is another hot month in Manaus, Brazil, with average temperature varying between 23°C (73.4°F) and 32.6°C (90.7°F). In Manaus, the average high-temperature is almost the same as in July - a still hot 32.6°C (90.7°F). Weather in August »

Weather in September

The first month of the spring, September, is still a tropical month in Manaus, Brazil, with average temperature fluctuating between 23.5°C (74.3°F) and 32.9°C (91.2°F). The warmest month is September, with an average high-temperature of 32.9°C (91.2°F) and an average low-temperature of 23.5°C (74.3°F). In September, the average heat index is calculated to a life-threatening hot 46.3°C (115.3°F). Weather in September »

Weather in October

October, like September, is a hot spring month in Manaus, Brazil, with average temperature fluctuating between 23.7°C (74.7°F) and 32.8°C (91°F). In October, the average high-temperature is relatively the same as in September - a still tropical 32.8°C (91°F). Weather in October »

Weather in November

November, the last month of the spring, in Manaus, is also a hot month, with average temperature ranging between max 32.1°C (89.8°F) and min 23.7°C (74.7°F). In Manaus, the average high-temperature is relatively the same as in October - a still hot 32.1°C (89.8°F). Weather in November »

Weather in December

The first month of the summer, December, is also a hot month in Manaus, Brazil, with average temperature fluctuating between 23.5°C (74.3°F) and 31.3°C (88.3°F). In Manaus, the average high-temperature in December is essentially the same as in November - a still tropical 31.3°C (88.3°F). Weather in December »
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FAQ

How many days does it rain in Manaus?

Throughout the year, in Manaus, there are 160 rainfall days, and 2307.3mm (90.84") of precipitation is accumulated.

When are the longest days in Manaus?

Months with the longest days are January, November and December, with an average of 12.3h of daylight.

What is the month with the highest UV index in Manaus?

Months with the highest UV index in Manaus, Brazil, are January through May, August through December, with an average maximum UV index of 12.

What is the coldest month in Manaus?

February is the coldest month in Manaus, with an average high-temperature of 30.4°C (86.7°F) and an average low-temperature of 23.1°C (73.6°F).

What is the month with the least sunshine in Manaus?

The month with the least sunshine in Manaus is February, with an average of 3.1h of sunshine.

What is the most humid month in Manaus?

With an average relative humidity of 88%, March is the most humid month in Manaus.

What is the rainiest month in Manaus?

The month with the most rainfall in Manaus is March when the rain falls for 20 days and typically aggregates up to 335.4mm (13.2") of precipitation.

What is the month with the shortest days in Manaus?

The month with the shortest days in Manaus is June, with an average of 11.9h of daylight.

When is the lowest UV index in Manaus?

July is the month with the lowest UV index in Manaus, Brazil, with an average maximum UV index of 10.

What is the least humid month in Manaus?

Months with the lowest humidity in Manaus are August and September, with an average relative humidity of 77%.

What is the driest month in Manaus?

August is the month with the least rainfall. Rain falls for 6 days and accumulates 47.3mm (1.86") of precipitation.

What month has the most sunshine in Manaus?

With an average of 7.3h of sunshine, August has the most sunshine of the year in Manaus, Brazil.

What is the warmest month in Manaus?

With an average high-temperature of 32.9°C (91.2°F) and an average low-temperature of 23.5°C (74.3°F), September is the warmest month.

Average temperature
Manaus, Brazil

Average temperature - Manaus, Brazil

The warmest month (with the highest average high temperature) is September (32.9°C).
The month with the lowest average high temperature is February (30.4°C).

Months with the highest average low temperature are October and November (23.7°C).
The coldest month (with the lowest average low temperature) is July (22.7°C).

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Average humidity
Manaus, Brazil

Average humidity - Manaus, Brazil

The month with the highest relative humidity is March (88%).
Months with the lowest relative humidity are August and September (77%).

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Average rainfall
Manaus, Brazil

Average rainfall - Manaus, Brazil

The wettest month (with the highest rainfall) is March (335.4mm).
The driest month (with the least rainfall) is August (47.3mm).

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Average rainfall days
Manaus, Brazil

Average rainfall days - Manaus, Brazil

The month with the highest number of rainy days is March (20 days).
Months with the least rainy days are August and September (6 days).

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Average daylight / Average sunshine
Manaus, Brazil

Average daylight / Average sunshine - Manaus, Brazil

Months with the longest days are January, November and December (Average daylight: 12.3h).
The month with the shortest days is June (Average daylight: 11.9h).

The month with the most sunshine is August (Average sunshine: 7.3h).
The month with the least sunshine is February (Average sunshine: 3.1h).

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Average UV index
Manaus, Brazil

Average UV index - Manaus, Brazil

Months with the highest UV index are January, February, March, April, May, August, September, October, November and December (UV index 12).
The month with the lowest UV index is July (UV index 10).

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