Climate - Manaus (Brazil)

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).

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.
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.
On average, there are around 1775 sunshine hours per year. Here are the average sunshine hours per day.

Manaus - Weather by month

Based on the period 1991-2020
(January - February - March - April - May - June - July - August - September - October - November - December)

In January, 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.
On average, there are 115 hours of sunshine per month, i.e. 3.5 hours per day.
The average humidity is 86%.
The average wind speed is 5 kph (3 kph).

In February, the coldest month of the year, 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.
On average, there are 95 hours of sunshine per month, i.e. 3.5 hours per day.
The average humidity is 86%.
The average wind speed is 6 kph (3 kph).

In March, 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 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 °F).
Precipitation amounts to 300 mm (11.8 in), distributed over 19 days.
On average, there are 95 hours of sunshine per month, i.e. 3 hours per day.
The average humidity is 86%.
The average wind speed is 6 kph (3 kph).

In April, 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 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 33.5 °C (92.5 °F).
Precipitation amounts to 320 mm (12.6 in), distributed over 18 days.
On average, there are 105 hours of sunshine per month, i.e. 3.5 hours per day.
The average humidity is 87%.
The average wind speed is 5 kph (3 kph).

In May, 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 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 °F).
Precipitation amounts to 245 mm (9.6 in), distributed over 16 days.
On average, there are 145 hours of sunshine per month, i.e. 4.5 hours per day.
The average humidity is 86%.
The average wind speed is 5 kph (3 kph).

In June, 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 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 (93.5 °F).
Precipitation amounts to 120 mm (4.7 in), distributed over 11 days.
On average, there are 185 hours of sunshine per month, i.e. 6 hours per day.
The average humidity is 83%.
The average wind speed is 5 kph (3 kph).

In July, 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.
On average, there are 220 hours of sunshine per month, i.e. 7 hours per day.
The average humidity is 80%.
The average wind speed is 5 kph (3 kph).

In August, 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.
On average, there are 215 hours of sunshine per month, i.e. 7 hours per day.
The average humidity is 77%.
The average wind speed is 5 kph (3 kph).

In September, the warmest month of the year, 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 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 36 °C (97 °F).
Precipitation amounts to 75 mm (3 in), distributed over 6 days.
On average, there are 185 hours of sunshine per month, i.e. 6 hours per day.
The average humidity is 77%.
The average wind speed is 5 kph (3 kph).

In October, 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 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 36 °C (97 °F).
Precipitation amounts to 105 mm (4.1 in), distributed over 8 days.
On average, there are 160 hours of sunshine per month, i.e. 5 hours per day.
The average humidity is 78%.
The average wind speed is 5 kph (3 kph).

In November, 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 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 35.5 °C (96 °F).
Precipitation amounts to 170 mm (6.7 in), distributed over 11 days.
On average, there are 140 hours of sunshine per month, i.e. 4.5 hours per day.
The average humidity is 81%.
The average wind speed is 5 kph (3 kph).

In December, 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.
On average, there are 120 hours of sunshine per month, i.e. 4 hours per day.
The average humidity is 84%.
The average wind speed is 5 kph (3 kph).