, with a rainy season from October to April and a dry season from May to September.
The city is the capital of the state of Mato Grosso and is located in the west of Brazil, at 15 degrees south latitude and at 165 meters (540 feet) above sea level.
. Indeed, it can be very hot all year round, but especially from mid-August to October, before the rainy period. In 2020, the temperature reached 43 °C (109.5 °F) between the end of September and the beginning of October.
, and in fact the night temperatures decrease a bit, but during the day it is hot. In addition, sometimes air masses coming from the Argentine pampas can bring cool periods that last a few days, in which the temperature can drop down to 10 °C (50 °F) or even below during the night, and down to 20 °C (68 °F) or even below during the day.
Furthermore, in the dry winter period, the city can be invaded by the smoke produced by fires in the nearby woods.
The best time to visit Cuiabá is from May to mid-August, being the least hot within the dry season. From mid-August to the end of September it is still the dry season, but the probability that it gets very hot increases.
. Here are the average temperatures.
January is generally a very hot, muggy month. The average temperature is of
28.3 °C, with a minimum of
23.8 °C and a maximum of
32.9 °C.

On the coldest nights of the month, the temperature usually drops to around
21.5 °C. However, it dropped to
18.4 °C in January 2012.

On the warmest days of the month, the temperature usually reaches around
36 °C. However, it reached
38.3 °C in January 2007.

Precipitation amounts to
250 mm, distributed over 17 days.
The day lasts on average 12 hours and 55 minutes.

There are on average 5 hours of sunshine per day. So, the sun shines 39% of the time.
The average humidity is 75%. Hence, the air is normally humid.
The average wind speed is of
9.4 kph.
February is generally a very hot, muggy month. The average temperature is of
28.3 °C, with a minimum of
23.7 °C and a maximum of
32.9 °C.

On the coldest nights of the month, the temperature usually drops to around
21.5 °C. However, it dropped to
17.9 °C in February 2003.

On the warmest days of the month, the temperature usually reaches around
36 °C. However, it reached
40 °C in February 2001.

Precipitation amounts to
220 mm, distributed over 14 days.
The day lasts on average 12 hours and 35 minutes.

There are on average 5.5 hours of sunshine per day. So, the sun shines 42% of the time.
The average humidity is 75%. Hence, the air is normally humid.
The average wind speed is of
8.7 kph.
March is generally a very hot, muggy month. The average temperature is of
28.5 °C, with a minimum of
23.8 °C and a maximum of
33.2 °C.

On the coldest nights of the month, the temperature usually drops to around
21 °C. However, it dropped to
18.4 °C in March 2012.

On the warmest days of the month, the temperature usually reaches around
36 °C. However, it reached
39.4 °C in March 2007.

Precipitation amounts to
220 mm, distributed over 15 days.
The day lasts on average 12 hours and 10 minutes.

There are on average 6 hours of sunshine per day. So, the sun shines 48% of the time.
The average humidity is 74%. Hence, the air is normally humid.
The average wind speed is of
7.8 kph.
April is generally a very hot, muggy month. The average temperature is of
28.1 °C, with a minimum of
23.1 °C and a maximum of
33.1 °C.

On the coldest nights of the month, the temperature usually drops to around
18.5 °C. However, it dropped to
13.6 °C in April 1999.

On the warmest days of the month, the temperature usually reaches around
36 °C. However, it reached
39.4 °C in April 2007.

Precipitation amounts to
120 mm, distributed over 10 days.
The day lasts on average 11 hours and 40 minutes.

There are on average 7 hours of sunshine per day. So, the sun shines 60% of the time.
The average humidity is 73%. Hence, the air is normally humid.
The average wind speed is of
6.9 kph.
May is generally a warm to hot month. The average temperature is of
26.3 °C, with a minimum of
20.8 °C and a maximum of
31.8 °C.

On the coldest nights of the month, the temperature usually drops to around
15.5 °C. However, it dropped to
10 °C in May 2010.

On the warmest days of the month, the temperature usually reaches around
35.5 °C. However, it reached
38.4 °C in May 2000.

Precipitation amounts to
50 mm, distributed over 4 days.
The day lasts on average 11 hours and 25 minutes.

There are on average 7 hours of sunshine per day. So, the sun shines 61% of the time.
The average humidity is 70%.
The average wind speed is of
7.4 kph.
June is generally a warm to hot month. The average temperature is of
25.6 °C, with a minimum of
19.4 °C and a maximum of
31.9 °C.

On the coldest nights of the month, the temperature usually drops to around
14 °C. However, it dropped to
7 °C in June 1994.

On the warmest days of the month, the temperature usually reaches around
35 °C. However, it reached
39 °C in June 2013.

Precipitation amounts to
20 mm, and all occurs in one day.
The day lasts on average 11 hours and 10 minutes.

There are on average 6.5 hours of sunshine per day. So, the sun shines 60% of the time.
The average humidity is 63%.
The average wind speed is of
7.6 kph.
July, the least warm month of the year, is generally a warm to hot month. However, there are remarkable differences between night and day. The average temperature is of
25.3 °C, with a minimum of
18.3 °C and a maximum of
32.4 °C.

On the coldest nights of the month, the temperature usually drops to around
11.5 °C. However, it dropped to
5.6 °C in July 2013.

On the warmest days of the month, the temperature usually reaches around
36 °C. However, it reached
38.2 °C in July 2002.

Precipitation amounts to
15 mm, and all occurs in one day.
The day lasts on average 11 hours and 20 minutes.

There are on average 8 hours of sunshine per day. So, the sun shines 69% of the time.
The average humidity is 56%.
The average wind speed is of
7.9 kph.
August is generally a warm to hot month. However, there are remarkable differences between night and day. The average temperature is of
27.4 °C, with a minimum of
20.1 °C and a maximum of
34.8 °C.

On the coldest nights of the month, the temperature usually drops to around
13 °C. However, it dropped to
9 °C in August 1991.

On the warmest days of the month, the temperature usually reaches around
39 °C. However, it reached
41.2 °C in August 1999.

Precipitation amounts to
20 mm, distributed over 2 days.
The day lasts on average 11 hours and 35 minutes.

There are on average 7.5 hours of sunshine per day. So, the sun shines 63% of the time.
The average humidity is 46%.
The average wind speed is of
8.6 kph.
September is generally a very hot month. However, there are remarkable differences between night and day. The average temperature is of
29.3 °C, with a minimum of
22.7 °C and a maximum of
36 °C.

On the coldest nights of the month, the temperature usually drops to around
16 °C. However, it dropped to
11 °C in September 2018.

On the warmest days of the month, the temperature usually reaches around
39.5 °C. However, it reached
43 °C in September 2020.

Precipitation amounts to
50 mm, distributed over 4 days.
The day lasts on average 12 hours and 0 minutes.

There are on average 5.5 hours of sunshine per day. So, the sun shines 45% of the time.
The average humidity is 49%.
The average wind speed is of
9.4 kph.
October, the hottest month of the year, is generally a very hot month. The average temperature is of
29.7 °C, with a minimum of
23.9 °C and a maximum of
35.4 °C.

On the coldest nights of the month, the temperature usually drops to around
19.5 °C. However, it dropped to
16 °C in October 2016.

On the warmest days of the month, the temperature usually reaches around
39 °C. However, it reached
43.1 °C in October 2020.

Precipitation amounts to
115 mm, distributed over 8 days.
The day lasts on average 12 hours and 30 minutes.

There are on average 6 hours of sunshine per day. So, the sun shines 49% of the time.
The average humidity is 61%.
The average wind speed is of
9.8 kph.
November is generally a very hot month. The average temperature is of
29 °C, with a minimum of
23.9 °C and a maximum of
34.1 °C.

On the coldest nights of the month, the temperature usually drops to around
20.5 °C. However, it dropped to
15 °C in November 1999.

On the warmest days of the month, the temperature usually reaches around
37.5 °C. However, it reached
40 °C in November 1997.

Precipitation amounts to
175 mm, distributed over 11 days.
The day lasts on average 12 hours and 55 minutes.

There are on average 6 hours of sunshine per day. So, the sun shines 47% of the time.
The average humidity is 67%.
The average wind speed is of
9.9 kph.
December is generally a very hot, muggy month. The average temperature is of
28.6 °C, with a minimum of
23.9 °C and a maximum of
33.2 °C.

On the coldest nights of the month, the temperature usually drops to around
21 °C. However, it dropped to
16.6 °C in December 2010.

On the warmest days of the month, the temperature usually reaches around
36 °C. However, it reached
39 °C in December 2003.

Precipitation amounts to
205 mm, distributed over 15 days.
The day lasts on average 13 hours and 0 minutes.

There are on average 5 hours of sunshine per day. So, the sun shines 39% of the time.
The average humidity is 72%. Hence, the air is normally humid.
The average wind speed is of
10.1 kph.