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The climate of Manaus is
tropical, with a rainy season from November to May and a relatively dry season from July to October.
The city is the capital of the state of Amazonas and is located in the north of Brazil, at 3 degrees north latitude, within the Amazon rainforest, and where the Negro River flows into the Amazon River.
Generally, the highest temperatures are recorded in the dry period. In September 2015, the temperature reached 39 °C (102 °F), and the average high was 36.3 °C (97.3 °F).
Best Time
The best time to visit Manaus is from July to October, as it is a relatively dry season. It must be said that this is the hottest time of the year, although the humidity is slightly lower.
Manaus - Climate data
In Manaus, the
average temperature of the coldest month (February) is of 27.1 °C (80.8 °F), that of the warmest month (September) is of 28.5 °C (83.3 °F). Here are the average temperatures.
Manaus - Average temperatures (1991-2020) | Month | Min (°C) | Max (°C) | Mean (°C) | Min (°F) | Max (°F) | Mean (°F) |
|---|
| January | 23.4 | 30.8 | 27.1 | 74 | 87 | 80.8 |
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| February | 23.5 | 30.7 | 27.1 | 74 | 87 | 80.8 |
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| March | 23.6 | 30.8 | 27.2 | 74 | 87 | 80.9 |
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| April | 23.5 | 30.7 | 27.1 | 74 | 87 | 80.8 |
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| May | 23.5 | 30.9 | 27.2 | 74 | 88 | 81 |
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| June | 23.3 | 31.6 | 27.4 | 74 | 89 | 81.4 |
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| July | 23.1 | 32.1 | 27.6 | 74 | 90 | 81.7 |
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| August | 23.2 | 33.2 | 28.2 | 74 | 92 | 82.7 |
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| September | 23.5 | 33.5 | 28.5 | 74 | 92 | 83.3 |
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| October | 23.7 | 33.2 | 28.5 | 75 | 92 | 83.2 |
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| November | 23.7 | 32.5 | 28.1 | 75 | 91 | 82.6 |
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| December | 23.6 | 31.3 | 27.4 | 74 | 88 | 81.4 |
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| Year | 23.5 | 31.8 | 27.55 | 74.2 | 89.2 | 81.5 |
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In Manaus,
precipitation amounts to 2300 millimeters (90.6 inches) per year: it is therefore abundant. It ranges from 65 mm (2.6 in) in the driest month (August) to 320 mm (12.6 in) in the wettest one (April). Here is the average precipitation.
Manaus - Average precipitation| Month | Millimeters | Inches | Days |
|---|
| January | 285 | 11.2 | 19 |
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| February | 295 | 11.6 | 18 |
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| March | 300 | 11.8 | 19 |
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| April | 320 | 12.6 | 18 |
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| May | 245 | 9.6 | 16 |
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| June | 120 | 4.7 | 11 |
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| July | 75 | 3 | 7 |
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| August | 65 | 2.6 | 7 |
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| September | 75 | 3 | 6 |
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| October | 105 | 4.1 | 8 |
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| November | 170 | 6.7 | 11 |
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| December | 245 | 9.6 | 15 |
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| Year | 2300 | 90.6 | 155 |
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In Manaus, there are on average around 1775
sunshine hours per year. Here are the average hours of sunshine per day.
Manaus - Sunshine hours| Month | Average | Total |
|---|
January | 3.5 | 115 | February | 3.5 | 95 | March | 3 | 95 | April | 3.5 | 105 | May | 4.5 | 145 | June | 6 | 185 | July | 7 | 220 | August | 7 | 215 | September | 6 | 185 | October | 5 | 160 | November | 4.5 | 140 | December | 4 | 120 | Year | 4.9 | 1775 |
Manaus - Weather by month
Based on the period 1991-2020
In
January, the weather in Manaus is usually warm to hot and muggy. The average temperature is of 27.1 °C (81 °F), with a minimum of 23.4 °C (74.2 °F) and a maximum of 30.8 °C (87.4 °F).
On the coldest nights of the month, the temperature usually drops to around 22 °C (71.5 °F).
On the warmest days of the month, the temperature usually reaches around 34 °C (93.5 °F).
Precipitation amounts to 285 mm (11.2 in), distributed over 19 days.
The day lasts on average 12 hours and 20 minutes.
There are on average 3.5 hours of sunshine per day. So, the sun shines 29% of the time.
The average humidity is 86%. Hence, the air is normally humid.
The average wind speed is 5 kph (3 mph).
In
February, the least warm month of the year, the weather in Manaus is usually warm to hot and muggy. The average temperature is of 27.1 °C (81 °F), with a minimum of 23.5 °C (74.3 °F) and a maximum of 30.7 °C (87.2 °F).
On the coldest nights of the month, the temperature usually drops to around 21.5 °C (71 °F).
On the warmest days of the month, the temperature usually reaches around 34 °C (93 °F).
Precipitation amounts to 295 mm (11.6 in), distributed over 18 days.
The day lasts on average 12 hours and 10 minutes.
There are on average 3.5 hours of sunshine per day. So, the sun shines 27% of the time.
The average humidity is 86%. Hence, the air is normally humid.
The average wind speed is 6 kph (3 mph).
In
March, the weather in Manaus is usually warm to hot and muggy. The average temperature is of 27.2 °C (81 °F), with a minimum of 23.6 °C (74.4 °F) and a maximum of 30.8 °C (87.4 °F).
On the coldest nights, the temperature usually drops to around 22 °C (71.5 °F).
On the warmest days, the temperature usually reaches around 34 °C (93 °F).
Precipitation amounts to 300 mm (11.8 in), distributed over 19 days.
The day lasts on average 12 hours and 5 minutes.
There are on average 3 hours of sunshine per day. So, the sun shines 26% of the time.
The average humidity is 86%. Hence, the air is normally humid.
The average wind speed is 6 kph (3 mph).
In
April, the weather in Manaus is usually warm to hot and muggy. The average temperature is of 27.1 °C (81 °F), with a minimum of 23.5 °C (74.3 °F) and a maximum of 30.7 °C (87.3 °F).
On the coldest nights, the temperature usually drops to around 22 °C (71.5 °F).
On the warmest days, the temperature usually reaches around 33.5 °C (92.5 °F).
Precipitation amounts to 320 mm (12.6 in), distributed over 18 days.
The day lasts on average 12 hours and 0 minutes.
There are on average 3.5 hours of sunshine per day. So, the sun shines 30% of the time.
The average humidity is 87%. Hence, the air is normally humid.
The average wind speed is 5 kph (3 mph).
In
May, the weather in Manaus is usually warm to hot and muggy. The average temperature is of 27.2 °C (81 °F), with a minimum of 23.5 °C (74.4 °F) and a maximum of 30.9 °C (87.7 °F).
On the coldest nights, the temperature usually drops to around 22 °C (71.5 °F).
On the warmest days, the temperature usually reaches around 34 °C (93 °F).
Precipitation amounts to 245 mm (9.6 in), distributed over 16 days.
The day lasts on average 12 hours and 0 minutes.
There are on average 4.5 hours of sunshine per day. So, the sun shines 39% of the time.
The average humidity is 86%. Hence, the air is normally humid.
The average wind speed is 5 kph (3 mph).
In
June, the weather in Manaus is usually warm to hot and muggy. The average temperature is of 27.4 °C (81 °F), with a minimum of 23.3 °C (73.9 °F) and a maximum of 31.6 °C (88.8 °F).
On the coldest nights, the temperature usually drops to around 21.5 °C (71 °F).
On the warmest days, the temperature usually reaches around 34 °C (93.5 °F).
Precipitation amounts to 120 mm (4.7 in), distributed over 11 days.
The day lasts on average 11 hours and 55 minutes.
There are on average 6 hours of sunshine per day. So, the sun shines 52% of the time.
The average humidity is 83%. Hence, the air is normally humid.
The average wind speed is 5 kph (3 mph).
In
July, the weather in Manaus is usually very hot and muggy. The average temperature is of 27.6 °C (82 °F), with a minimum of 23.1 °C (73.6 °F) and a maximum of 32.1 °C (89.8 °F).
On the coldest nights of the month, the temperature usually drops to around 21.5 °C (70.5 °F).
On the warmest days of the month, the temperature usually reaches around 34.5 °C (94 °F).
Precipitation amounts to 75 mm (3 in), distributed over 7 days.
The day lasts on average 12 hours and 0 minutes.
There are on average 7 hours of sunshine per day. So, the sun shines 59% of the time.
The average humidity is 80%. Hence, the air is normally humid.
The average wind speed is 5 kph (3 mph).
In
August, the weather in Manaus is usually very hot and muggy. The average temperature is of 28.2 °C (83 °F), with a minimum of 23.2 °C (73.8 °F) and a maximum of 33.2 °C (91.7 °F).
On the coldest nights of the month, the temperature usually drops to around 21 °C (69.5 °F).
On the warmest days of the month, the temperature usually reaches around 35.5 °C (96 °F).
Precipitation amounts to 65 mm (2.6 in), distributed over 7 days.
The day lasts on average 12 hours and 0 minutes.
There are on average 7 hours of sunshine per day. So, the sun shines 58% of the time.
The average humidity is 77%. Hence, the air is normally humid.
The average wind speed is 5 kph (3 mph).
In
September, the hottest month of the year, the weather in Manaus is usually very hot and muggy. The average temperature is of 28.5 °C (83 °F), with a minimum of 23.5 °C (74.3 °F) and a maximum of 33.5 °C (92.4 °F).
On the coldest nights, the temperature usually drops to around 22 °C (71 °F).
On the warmest days, the temperature usually reaches around 36 °C (97 °F).
Precipitation amounts to 75 mm (3 in), distributed over 6 days.
The day lasts on average 12 hours and 5 minutes.
There are on average 6 hours of sunshine per day. So, the sun shines 51% of the time.
The average humidity is 77%. Hence, the air is normally humid.
The average wind speed is 5 kph (3 mph).
In
October, the weather in Manaus is usually very hot and muggy. The average temperature is of 28.5 °C (83 °F), with a minimum of 23.7 °C (74.6 °F) and a maximum of 33.2 °C (91.8 °F).
On the coldest nights, the temperature usually drops to around 22 °C (71.5 °F).
On the warmest days, the temperature usually reaches around 36 °C (97 °F).
Precipitation amounts to 105 mm (4.1 in), distributed over 8 days.
The day lasts on average 12 hours and 10 minutes.
There are on average 5 hours of sunshine per day. So, the sun shines 42% of the time.
The average humidity is 78%. Hence, the air is normally humid.
The average wind speed is 5 kph (3 mph).
In
November, the weather in Manaus is usually very hot and muggy. The average temperature is of 28.1 °C (83 °F), with a minimum of 23.7 °C (74.7 °F) and a maximum of 32.5 °C (90.5 °F).
On the coldest nights, the temperature usually drops to around 22 °C (71.5 °F).
On the warmest days, the temperature usually reaches around 35.5 °C (96 °F).
Precipitation amounts to 170 mm (6.7 in), distributed over 11 days.
The day lasts on average 12 hours and 20 minutes.
There are on average 4.5 hours of sunshine per day. So, the sun shines 38% of the time.
The average humidity is 81%. Hence, the air is normally humid.
The average wind speed is 5 kph (3 mph).
In
December, the weather in Manaus is usually warm to hot and muggy. The average temperature is of 27.4 °C (81 °F), with a minimum of 23.6 °C (74.4 °F) and a maximum of 31.3 °C (88.4 °F).
On the coldest nights of the month, the temperature usually drops to around 22 °C (71 °F).
On the warmest days of the month, the temperature usually reaches around 34.5 °C (94.5 °F).
Precipitation amounts to 245 mm (9.6 in), distributed over 15 days.
The day lasts on average 12 hours and 20 minutes.
There are on average 4 hours of sunshine per day. So, the sun shines 31% of the time.
The average humidity is 84%. Hence, the air is normally humid.
The average wind speed is 5 kph (3 mph).